The correct answer is option C) leishmaniasis.
Leishmaniasis is a disease caused by protozoa, transmitted through the bite of an insect vector. There is medication to prevent the disease only in humans.
The other alternatives are wrong because:
a) Schistosomiasis is a parasitic infectious disease, but its prevention and control must be carried out with basic sanitation actions.
b) Leptospirosis is a serious bacterial disease and its prevention is mainly related to basic sanitation and hygiene.
d) Leprosy is a chronic disease caused by bacteria and its prevention is based on specific treatment and hygiene.
e) AIDS is a disease caused by the HIV virus and the fight against its spread is done through health campaigns.
Which type of macromolecule contains phosphorus, and where in the molecule are phosphorus atoms located
Answer:
Nucleic acids, which include DNA (deoxyribonucleic acid) and RNA (ribonucleic acid), are the macromolecules that contain phosphorus. Phosphorus is an important component of the nucleotides that make up nucleic acids.
In DNA, the phosphate group is located on the 5' carbon of the sugar molecule, which is connected to the nucleotide base via a phosphodiester bond. The phosphate groups of adjacent nucleotides form the backbone of the DNA molecule.
In RNA, the phosphate group is similarly located on the 5' carbon of the sugar molecule, but RNA has a ribose sugar instead of a deoxyribose sugar. RNA also typically contains single-stranded nucleotides, rather than the double-stranded structure of DNA.
Overall, phosphorus plays a critical role in the structure and function of nucleic acids, which are responsible for storing and transmitting genetic information.
answer questions a b and c.
A) White and tubular, B) The genotype could be either AAbb or AaBb. C) No, it is not possible to produce an open flower from this cross.
Describe Genotype?Genotype refers to the genetic makeup of an individual organism, which is determined by the combination of genes inherited from its parents. It consists of the complete set of genes or alleles present in an organism's DNA, which determine its physical and behavioral traits, such as eye color, height, susceptibility to diseases, and many others.
Genotype is expressed using symbols that represent the alleles present in an organism's DNA, with uppercase letters typically used to represent dominant alleles and lowercase letters used for recessive alleles. For example, the genotype of an individual with brown eyes could be represented as BB (homozygous dominant), Bb (heterozygous), or bb (homozygous recessive).
A) The genotype of the flower is aaBb. The phenotype of the flower would be white and tubular.
B) The phenotype of the flower is red and open. The genotype could be either AAbb or AaBb.
C) No, it is not possible to produce an open flower from this cross. This is because the individual with AAbb genotype would only produce gametes with the genotype "Ab", and the individual with AaBB genotype would only produce gametes with the genotype "aB". When these gametes combine, the resulting offspring would have either the genotype AaBb or AaBB, which would result in either red tubular flowers or red open flowers. Therefore, there would be no open flowers produced from this cross, regardless of color.
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A) The phenotype of a flower with genotype aaBb would be white with an open shape. This is because the recessive allele a at gene A causes the absence of red color, while the dominant allele B at gene B causes the tubular shape to be expressed.
B) The possible genotypes of a red, open flower could be AABB, AABb, or AaBB. This is because the dominant allele A at gene A is necessary for the expression of the red color, while the dominant allele B at gene B is necessary for the expression of the tubular shape.
C) No, it would not be possible to produce an open flower from the cross between AAbb and AaBB individuals. This is because both parents are homozygous for one of the genes controlling flower shape, either recessive (bb) or dominant (BB), and therefore all their offspring will inherit at least one dominant allele for flower shape. As a result, all offspring from this cross will have a tubular shape.
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Messenger RNA produced during transcription and eukaryotic cells undergoes processing before it exits the nucleus . which of the following is not a part of this mRNA processing ?
a addition of a methylated cap
b removal of introns
c addition of dna primers
d addition of a poly a tail
Answer:
c addition of dna primers is not a part of this mRNA processing.
Messenger RNA produced during transcription and eukaryotic cells undergoes processing before it exits the nucleus while the addition of DNA primer is not a part of this mRNA processing. Therefore, the correct option is C.
A DNA segment is copied into RNA during transcription. Messenger RNA is the term for DNA segments that are translated to RNA molecules that really can code for proteins. Non-coding RNAs are RNA molecules that contain copies of additional DNA segments. Just 1% to 3% of all RNA samples are mRNA.
The act of copying information from a DNA strand into a fresh messenger RNA molecule is called transcription (mRNA). DNA preserves genetic material as a reference or template safely and permanently in the cell nuclei.
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The passage states that both parents are heterozygous for coat color. What
does this statement mean?
The statement "both parents are heterozygous for coat color" means that each parent has two different alleles (forms of a gene) for the coat color trait, with one dominant and one recessive allele.
This is indicated by the use of the term "heterozygous," which refers to an individual who has two different alleles for a particular trait.
In the case of coat color, there are typically two alleles that determine the phenotype (observable trait) of an individual. These alleles can be either dominant or recessive. In a heterozygous individual, one allele is dominant and determines the phenotype, while the other allele is recessive and does not have an observable effect on the phenotype.
So, in the context of the statement provided, both parents have one dominant and one recessive allele for coat color. As a result, their offspring will inherit one allele from each parent, with a 50% chance of inheriting either the dominant or recessive allele. The combination of alleles that an individual inherits will determine their coat color phenotype.
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Starting billions of years ago, algae lowered the. atmosphere. levels in the A. carbon dioxide D. oxygen C. ozone B. methane
Explanation:
ozone probably, I think
nina wasnts to learn about the toxic effects of chemicals on humans
Answer:
1). it weakens the immune system
2). Effects both mental and physical health
2).Can lead to death
Can someone help me label this diagram of the fluid mosaic model please
Answer:
A) Integral/transmembrane proteins
B)Glycoprotein
C)Glycolipid
D) cholesterol
E)Phospholipid Bilayer
As of 2017, the use of antibiotics in CAFOs are prohibited for:
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
enabling growth enhancement.
increasing fertility.
slowing the progression of viruses.
treating bacterial infections.
Answer: enabling growth enhancement.
Explanation:
As of 2017, the use of antibiotics in CAFOs (Concentrated Animal Feeding Operations) are prohibited for enabling growth enhancement.
PLS HELP I GIVE BRAINLIEST
Fill a clear bin (shoe box size works best) about half way with dirt. The dirt can be from outside or a garden supply store.
Lightly moisten the dirt by sprinkling water over it.
Place about 5 worms in the bin. The worms can be dug up from outside or from a bait store.
Observe the worms, in a period of 2,5,10 minutes and 1 and 2 days
What do the worms do when first placed in the dirt.
After 2 minutes where are the worms?
After 5 minutes where are the worms?
After 10 minutes where are the worms?
When you return after one day what do you notice?
When you return after two days what do you notice?
When first placed in the dirt, the worms may burrow into the soil or crawl around on the surface.
Exploration.
Less crawling around.
Motionless on the soil.
Tunnel creation.
Visible casting.
What are the likelihoods of worm behavior?After 2 minutes, the worms may still be exploring their new environment or starting to burrow deeper into the soil. After 5 minutes, the worms may have burrowed deeper into the soil or be crawling around the surface less frequently. After 10 minutes, the worms are likely to have burrowed deeper into the soil or remain motionless on the surface.
When returning after one day, you may notice that the worms have created tunnels in the soil and have consumed some of the organic matter in the soil. They may also have deposited their castings, which are rich in nutrients. When returning after two days, you may notice that the worms have continued to create tunnels and consume organic matter, and their castings may be more visible.
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When adjusted for inflation, cattle sell for _____ price they sold for during:
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
roughly the same; World War II.
roughly the same; the Great Depression.
less than the; the Civil War.
less than the; the Green Revolution.
Lower than the American Civil War cattle are now sold for less than they were during the Civil War after accounting for inflation.
What kind of inflation predicts that if the cost of a production factor rises, so will the cost of goods?Production costs rise as a result of rising domestic or foreign input prices. Firms often produce less output and increase the prices of their goods and services as a result of rising production costs per unit of output.
Which form of inflation is brought about and kept alive by an excessive overall demand for goods and services?Demand-pull inflation explains price increases as the outcome of a greater overall demand that outpaces supply in an economy.
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observe the moon and its position everyday for 2 weeks. Keep track of your observations about the shape (phase) of the moon and its position in the sky. Then compare your observation to the reported tides in your area. Report your findings.
The Moon moves in this way because of its orbit, which completes one full rotation in 27 days, 7 hours, and 43 minutes. Each day, it moves the Moon 12–13 degrees east.
What are tides called?The ocean experiences very long-period waves known as tides in reaction to the moon's and sun's gravitational pull. The rise & fall of the sea's surface on a regular basis is what is known as a tide. Tides start in the ocean & move toward the coasts.
What influences tides?They result from the moon's and, to a smaller degree, the sun's gravitational pulls on the earth. High tide occurs on a shoreline when the wave's crest, or highest point, touches the shore.
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What is cyanosis? Describe several physical and/or chemical factors that might create cyanosis in a patient and how cyanosis can be reversed.
Cyanosis is characterized by bluish discoloration of skin and mucous membranes. Cyanosis is usually a sign of an underlying condition rather than being a disease in itself. The most common symptoms of the condition are bluish discoloration of the lips, fingers, and toes.
Cyanosis can be evident at birth due to the presence of a heart malformation that permits blood that is not fully oxygenated to enter the arterial circulation. Cyanosis can also appear at any time later in life and often accompanies conditions in which lung function is compromised (resulting in an inability to fully oxygenate the blood) or conditions in which the heart's pumping function is compromised. The presence of abnormal forms of hemoglobin or other abnormalities of the blood cells can also sometimes cause cyanosis. The medical term for lowered oxygen level is hypoxia, the term anoxia refers to the absence of oxygen. Pseudo cyanosis is the appearance of cyanosis that is not associated with reduced oxygen delivery to the tissues. Most causes are related to the ingestion of metals (such as silver or lead) or drugs/toxins.
Cladistics makes hypotheses based on genetic and morphological differences?
Which of the following scenarios will be favored by the principle of parsimony?
Answer:
Explanation:
the first one for number 9
PLEASE ANSWER.
Why is it important to only have one independent variable?
(A)There is no reason why.
(B)Because it has always been done that way.
(C)Because if you are changing multiple independent variables, it would be difficult to determine which independent variable is causing the change in the dependent variable.
(D)You can have multiple independent variables.
As long as the experiment is repeated a sufficient number of times, it does not matter how many variables are used. Yes, an experiment should test only one variable at a time. This ensures that the experimental outcome is clearly due to one identifiable factor.
Wildebeests: A Keystone Species Use the data provided to answer the question below in CER format. Make sure to use at least two pieces of evidence to claim and provide reasoning. FIRE! Fire is actually an important component of savanna ecosystems. Fire kills young trees and seedlings, reducing the number of big adult trees that grow over time. Since trees compete with grasses for light and soil moisture, fire actually helps the grasses and keeps the savannas open. Dr. Rico Holdo, a professor at the University of Missouri, and his colleagues modeled and wrote about the interactions of fire, rain, grasses, trees, and the various animals in the Serengeti. The interactions get complicated quickly, but I’ll try to give you a run-down of how they see fire acting in this ecosystem. First, as I’ve mentioned, fire suppresses trees and encourages grasses. If you have both fire and rain, but no animals, then something interesting happens: the rain encourages the trees, but it encourages the grasses, too. As the grasses get taller, there is more fuel for fire, and the fires become more widespread and more damaging. These fiercer fires really hurt the trees – in fact, the damage from fires (because of more rain) is more important than the extra boost the trees get directly from the rain. So more rain actually means fewer trees. With me so far? We’re now going to throw animals into the mix – well, at least some of the animals. Let’s talk about the grazers. The grazers eat the grass, and this reduces the fuel available to fire. If you have a lot of grazers, like we do in the Serengeti, the grass height is reduced a lot. That means fewer fires and that rain once again helps the trees. Further, many of the grazers are migratory and move around the landscape a lot. They don’t eat the savanna grasses in a neat, tidy, organized way. Instead, they create a patchy mosaic of grass heights, and with those different grass heights come different susceptibility of patches of grass to burn. With rain and fire and grazers, we now have a landscape of grasses of different lengths, patchy fires, and some areas dense with trees and some areas with fewer trees. All that variation means more diversity – more diversity of the grasses, plants, and trees, and more diversity of the animals that rely on them. All that diversity is due, in part, to fire. A Keystone species is a plant or animal that plays an important and unique role in how the ecosystem functions without the key stone species to ecosystem would be very different. One scientist identified Keystone specie it to look as how changes to their abundance (number ) affect other organisms. Often, there are many indirect effects of changes to ecosystems. Claim The wildebeest in the Serengeti are a keystone species. What evidence supports this claim? (Make sure to provide reasoning)
The data that supports this idea is wildebeest grazing behaviours assist reduce grass height and prevent fire spread.
What reasons are behind wildebeest in the Serengeti?Evidence 1: Wildebeest's grazing behaviour lowers grass height and inhibits the spread of fires. As indicated in the article, grazers like wildebeest eat the grass and minimise the fuel available for flames, which prevents fires from spreading and destroying the trees.
Evidence 2: Wildebeest migration patterns can result in a patchy mosaic of grass heights that influence how susceptible grass patches are to burning. According to the article, wildebeest migrate and produce a patchy mosaic of grass heights. This also means that some areas of the savanna are dense with more trees, while others have fewer trees.
As a result of their grazing practises and migration patterns, which support the preservation of a diversified ecosystem, wildebeest are a keystone species in the Serengeti. In the absence of wildebeest, grass height would rise, resulting in more frequent and destructive fires. The ecosystem's diversity would decline and the effect on the trees would be harmful.
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Which of the following events takes place during the mitotic phase of the cell cycle?
O Duplication of DNA
Duplication of
DNA
Duplication of
centrioles
Which of the following events takes place during the mitotic phase of the cell cycle?
Separation of Chromosomes
Duplications of centrioles
Division of Cytoplasm
Separation of
chromosomes
Division of
cytoplasm
The events that takes place during the mitosis are separation of chromosomes, duplication of centrioles, division of cytoplasm, separation of chromosomes and division of cytoplasm.
Phases of mitosisThe majority of the cell's life is spent in the interphase, just before prophase, where mitosis's start-up is prepared for (the DNA is copied). The prophase is technically the first phase of this process, though, because the actual process requires the division of the nucleus. The duplicated chromosomes are aligned, separated, and transferred to the cell's opposite poles during the multistep mitotic phase, after which the cell divides into two brand-new, identical daughter cells.The cell divides its cytoplasm and divides its DNA into two sets during the mitotic (M) phase to produce two new cells.For more information on mitosis kindly visit to
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C. Give one word for the following.
1. a piece of stem that can grow into a new plant
Answer: Cutting
Explanation: Cuttings can be made from any part of the plant. Most frequently, however, either a stem or leaf is used. A stem cutting includes a piece of stem plus any attached leaves or buds. Thus, the stem cutting only needs to form new roots to be a complete, independent plant.
in which part of a plant would these cells be found
Answer:
These cells are usually found in all plant roots and mainly involved in providing support to the plants.
Explanation:
Aquatic biomes are made of —---------------- ecosystems and—------------------- ecosystems
Aquatic biomes are made of the living and the non-living entities of water bodies constituting diverse ecosystems
What are the differences between aquatic biomes?The aquatic biome is the biggest of the biomes, accounting for over 75% of the Earth's surface. This biome is typically classified as either freshwater or marine.
The aquatic biome comprises water-dominated environments all across the planet, from tropical reefs to brackish mangroves to Northern lakes. The aquatic biome is the world's biggest, accounting for around 75% of the Earth's surface area.
The availability of sunshine, as well as the quantity of dissolved oxygen and nutrients in the water, define aquatic biomes.
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Insects can show three types of development. One of them, holometaboly (complete development), consists of the stages of egg, larva, pupa and sexually mature adult, which occupy different habitats. Insects with holometaboly belong to the most numerous orders in terms of known species. This type of development is related to a greater number of species due to the a) protection in the pupa stage, favoring the survival of fertile adults. b) production of many eggs, larvae and pupae, increasing the number of adults. c) exploration of different niches, avoiding competition between life stages. d) food intake at all stages of life, ensuring the emergence of adults. e) use of the same food in all stages, optimizing the body's nutrition.
Answer:
Three major types of insect development: a) Ametabolous development typified by the silverfish, b) Hemimetabolous development typified by the cockroach; in some hemimetabola such as termites and grasshoppers there may be more than one stage with wing pads that could be called nymphal; c) Holometabolous development
The correct answer is option C) exploration of different niches, avoiding competition between life stages.
Each phase of development presents a different habitat and niche, which prevents competition between species, that is, intraspecific competition. In this way, the effectiveness of the animal within its environment is increased, as well as its adaptation to the environment.
The other alternatives highlight stages of development that exist, but are not related to the increase in the number of species or to the justification presented.
Which one of the following has the highest food conversion ratio?
Answer choices
beef
pork
eggs
chicken
The a concise and accurate answer would be: Chicken has the highest food conversion ratio.
When answering questions on Brainly, it is important to always be factually accurate, professional, and friendly. You should also be concise and avoid providing extraneous amounts of detail.
Additionally, you should not ignore any typos or irrelevant parts of the question. Your answer should address the specific question being asked.
In this case, the question is "Which one of the following has the highest food conversion ratio?" and the answer is "chicken."
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A graph of the total number of species found in an area against the percentage of land
under protection would show a/an…
A. exponential correlation.
B. negative correlation.
C. positive correlation.
D. lack of correlation.
The graph of the total number of species found in an area against the percentage of land under protection would show a positive correlation.
What would the graph of the total number of species found in an area against the percentage of land under protection show positive correlation?This is because as the percentage of land under protection increases, it is likely that there would be more resources available for species to thrive and more opportunities for habitat restoration and conservation efforts. Additionally, protected areas often provide important ecosystem services that support biodiversity, such as water filtration, carbon sequestration, and soil conservation.
However, it is important to note that the relationship between protected areas and biodiversity is complex and may depend on a variety of factors, such as the size and location of the protected area, the level of protection and management, and the characteristics of the species and ecosystems in question.
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How are speciation and reproductive isolation similar and different?
Answer:
Look below
Explanation:
Reproductive isolation represents a breakdown in the ability to reproduce successfully with sexual partners of another type of organism, and speciation requires a build up of reproductive isolation between diverging types of organism until gene flow is sufficiently rare or ineffective that the entities are considered
Fermenter is the heart of fermentation process- explain
In the fermentation process, the fermenter is a container that offers a regulated environment for microorganisms to transform carbohydrates into desired products. It enables process monitoring and control, leading to high yields of high-quality goods.
What other names are given to fermenters?Fermentors, commonly referred to as bioreactors, are sterile, enclosed tanks used for the ideal development of microorganisms. Large-scale cultivation of the microorganisms is possible to develop metabolites with industrial applications.
What components of a fermenter are crucial?One of the fermentor's key components is the aeration system. To maintain optimum aeration and oxygen availability throughout the culture, a good aeration system must be chosen.
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1. How far will a car travel at 50 m/min in 25 min?
2. How far will a car travel at 50 km/h in 7 h?
3. How long will a ball roll 400 m at 70 m/min?
4. If a car travels from 3 m/s to 30 m/s in 3 seconds, what is the car's average acceleration?
Answer:
1. 1,250 miles
2. 350 km
3. 5.71 min
4. 10 m/s
Explanation:
50 m/min * 25min = 1250 miles
50 km/hr * 7 hrs = 350 km
Question was confusing, but if I interpreted it correctly...
400 m ÷ 70 m/min = 5.71 min
3 m/s to 30 m/s in 3 sec would be an increase of 10 m/s
Which statement is the best description of how the heart delivers oxygen to the body cells?
The heart breaks down carbon dioxide into carbon and oxygen.
The heart pumps oxygenated blood to the body cells.
The heart take oxygen from the air.
The heart pumps air throughout the body, delivering it to the cells.
Answer:
Explanation:
The statement that best describes how the heart delivers oxygen to the body cells is: "The heart pumps oxygenated blood to the body cells." The heart's main function is to circulate blood throughout the body. The blood that the heart pumps to the body contains oxygen, which is used by the body cells for energy. The heart receives deoxygenated blood from the body, pumps it to the lungs to be oxygenated, and then pumps it back to the body to supply the cells with oxygen. Therefore, the heart's role is to deliver oxygenated blood, not air, to the body cells. The heart does not break down carbon dioxide into carbon and oxygen; this process occurs in the lungs during respiration.
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6. Imagine that Earth’s magnetic field was fixed in place and the polarity didn’t reverse. What effect would this have on our observations of seafloor basalts?
Answer:
Explanation:
If Earth's magnetic field were fixed in place and the polarity didn't reverse, it would have a significant effect on our observations of seafloor basalts. Seafloor basalts are formed from magma that erupts at mid-ocean ridges and solidifies to create new oceanic crust. As the magma cools, the minerals within it become magnetized in the direction of Earth's magnetic field.
If the magnetic field were fixed and did not reverse, the magnetization of the minerals in the basalts would also be fixed and would not change over time. This means that the magnetization of the minerals in the basalts would be uniformly oriented in the same direction across the seafloor. In contrast, in the present day, Earth's magnetic field reverses polarity at irregular intervals, causing the magnetization of the basalts to flip and creating a pattern of alternating magnetic stripes on the seafloor.
Without the alternating magnetic stripes, it would be much more difficult to study the history of seafloor spreading and the movement of the Earth's tectonic plates. The alternating magnetic stripes provide a record of the Earth's magnetic field over time, which can be used to track the movement of the seafloor and the spreading of the mid-ocean ridges. Without these magnetic stripes, it would be much harder to reconstruct the history of plate tectonics and to understand the processes that have shaped the Earth's surface over millions of years.
The feed-conversion ratio is
the amount of feed needed to produce a pound of beef.
the amount of edible food produced per unit of feed input.
the amount of land converted into cropland to grow cattle feed.
the amount of energy gained from eating a unit of edible food.
Amount of edible food produced per unit of feed Input. Calculating ratio or feed conversion efficiency is not too difficult. The feed conversion is calculated by dividing entire feed weight by net production.
Which is the final weight minus the starting weight. The weight of feed consumed divided by the weight of the animal is known as the feed conversion ratio (FCR), which is a common way to quantify the efficiency of livestock production. Efficiency is increased when the FCR is lower.
For young animals, the daily FCR is minimal, but it rises for older animals. Residual feed intake (RFI), which is size-independent, is utilised instead of FCR when selecting animals to improve genetics because it does not produce larger, more expensive to feed animals. RFI employs the discrepancy between actual intake and anticipated intake as its output.
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What was the colour of the leaf after it was boiled in ethanol?
Answer:
When a leaf is boiled in alcohol like ethanol, it helps to extract chlorophyll and help remove the green color of the leaves. After the removal of chlorophyll, the color of the leaf changes to white, and it is easy to observe the change in the color of iodine as starch gives a blue color to iodine.
Explanation:
where is cephalic found ?
Answer:
The cephalic vein is located on the anterior antebrachium. It crosses from the medial aspect of the leg an inch or so proximal to the carpus to join the brachial vein proximal to the elbow, which ultimately joins the external jugular vein.