A way deforestation can be prevented could be with socialization campaigns that help more people know, for example, the impacts these practices have upon the wildlife. The solution in specific countries can vary in the sense that different governments implement different practices and depend on the forest's resources differently.
Of the following, which may be classified as supportive connective tissue?
a. bone
b. adipose tissue
c. dense regular connective tissue
d. dense irregular connective tissue
Answer: A. Bone tissue.
Explanation: Trust me.
Which phrase describes a density-independent limiting factor that can affect
Fiting
ecosystem stability?
A. High herbivore emigration from a grassland
B. Dune erosion by ocean water along a shoreline
C. An increase in the carnivore population in a desert
D. Two large populations competing for the same food source
The phrase dune erosion by ocean water along a shoreline best describes a density-independent limiting factor that can affect ecosystem stability (Option B).
What is a density-independent limiting factor?A density-independent limiting factor can be defined as any factor in a given ecosystem that may alter the homeostasis of the population that lives in a given geographic area.
These factors (density-independent limiting factors) are generally abiotic factors such as hurricanes, extreme temperature conditions, the presence of contaminants in the air that hamper life in a given area, etc.
Conversely, density-dependent limiting factors are biotic factors such as competitive species that alter the development of another population.
Therefore, with this data, we can see that a density-independent limiting factor is any abiotic condition that may alter the life of a population in a give geographic area and thus alter the homeostasis of the whole ecosystem.
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Answer:D
Explanation:
the place where a river begins is called?
The place where a river begins is called source or headwaters, being the rivers the construction from water that comes of smaller streams that join together forming tributaries.
Compound light microscopes and transmission/transmitted light microscopes produce an image based on light transmission through the sample. Explain how the fluorescence microscope layout differs from that of transmission microscopes. Include the source of the light visualized in fluorescence microscopy in your answer.
The fluorescence microscope differs from the compound light, and transmitted light, not so much because of the structure, but instead because of how light is used to generate an image/ see the sample.
In the fluorescence microscope, the light does not go through the sample per se, instead, a filter is needed, it works with a higher wavelength, in this case, the light rays go to the sample and excite the species marked with the fluorescence substance, that is to say, the sample must be previously treated so it can absorb light and re-emitted as fluorescence (electromagnetic radiation) therefore creating an image, of light. This is possible due to the proprieties of some molecules, such as fluorochromes.
Which of the following statements correctly describes cis-trans isomers?
A) They have variations in arrangement around a double bond.
B) They have an asymmetric carbon that makes them mirror images.
C) They have the same chemical properties.
D) They have different molecular formulas.
E) Their atoms and bonds are arranged in different sequences.
Answer: D
Explanation:
When both double-bond carbons are directly connected to a carbon and a hydrogen, cis-trans can happen. In this instance, a new isomer is produced by switching the substituent on one of the double-bond carbons. Thus, option D is correct.
What are the factor that affect cis-trans isomers?The molecule must restrict rotation. Each doubly bound carbon atom must have two nonidentical groups.
Molecules with the same atomic connectivity are what the cis isomers are known as. On the same side of the double bond, they stand in for comparable page groups.
Cis-trans isomers display a form of stereo isomerism, in which the atoms are arranged differently in three dimensions.
Therefore, On the other hand, trans isomers are made up of molecules with comparable side groups that are situated on the other side of the double bond.
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Sickled red blood cell normal red blood cellSickled red blood cells carry less oxygen than normal red blood cells. What does this demonstrate about mutations in the DNA thatcodes for hemoglobin?OA. These mutations can change the structure and function of hemoglobin.OB. These mutations decrease the amount of oxygen available to bind with hemoglobin.OC. These mutations are unable to affect the structure and function of hemoglobin.OD. These mutations can change the structure of oxygen so that it does not bind to hemoglobin.
The answer is the letter A. These mutations can change the structure and function of hemoglobin.
The effect of the mutation in the hemoglobin is it altered its structure that makes
This element can form a wide variety of substances, including long chains. The different substances it forms are central to the molecules found in living things.What element it this?a) carbonb) oxygenc) hydrogend) nitrogen
Introduction to Biology: Biomolecules
In the options, they are listing the four more abundant elements in living beings: carbon (C), hydrogen (H), nitrogen (N), and oxygen (O). Given that all of them are essential to forming the molecules found in living beings, we need to check their chemical properties, because they are telling us that is an element that can form long chains.
• Hydrogen, has only 1 electron and can form one bond at a time, so it cannot form long chains
,• At normal conditions, ,Oxygen, form molecules of only 2 oxygen atoms (O₂), not long chains.
,• Nitrogen, is a similar case to oxygen because at standard temperature and pressure it forms a diatomic gas (N₂)
,• Carbon ,has ,4 atoms that can form covalent chemical bonds,, which allows it to form ,polymers, at, standard temperatures.
This means the correct answer is a) carbon.
TIMED PLEASE HELP! INTRO TO PSYCHOLOGY
Describe at least 4 environmentally influenced
learned behaviors using your
own life experience.
Using my personal life experience, I can identify four learned habits that are influenced by the environment: parasites, noise, light, sound, and food pollution.
What does the study of the environment do?Environmental scientists employ the natural sciences they have learned to save the environment. Natural science expertise is used by environmental specialists to safeguard both the environment and public health. In order to reduce waste, they might collaborate with industry, advise legislators, or clean up contaminated places.
What is meant by ecology?The study on organisms and how they interact with their environment is called ecology.. The interaction between living organisms and their environments is studied by ecologists.
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A recession may be defined as
A.6 quarters of declining GDP
B.6 months of declining GDP
C.6 months of rising GDP
D.6 quarters of rising GDP
A recession may be defined as A.6 quarters of declining GDP
What three things define a recession?Recessions are times of economic collapse that are indicated by rising unemployment, falling stock prices, and a decline in the housing market.
A recession is characterised as a protracted period of real GDP (output) growth that is weak or negative and is accompanied by a considerable increase in the unemployment rate. A recession also weakens a lot of other economic activity indices.
In simple words, a recession occurs when the economy's performance declines over a protracted period of many months, as seen by a reduction in GDP, an increase in the unemployment rate, and decreased consumer expenditure. A recession may have a huge influence on people's daily life.
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How does the cerebral spinal fluid (CSF) protect the spinal cord?
The cerebrospinal fluid provides hydromechanical protection, acts as a mechanical shock absorber, makes the spinal cord and brain become buoyant (reduce the effective weight), as well as provide nutrients to the central nevous system. Being an important form of protection to the central nervous system.
During which of thefollowing time periods didmost plant and animal phylaAppear?
The Cambrian period. Cambrian explosion, the unparalleled emergence of organisms between 541 million and approximately 530 million years ago at the beginning of the Cambrian Period. The event was characterized by the appearance of many of the major phyla (between 20 and 35) that make up modern animal life.
1. Which movement is not associated with the scapula?
Answer: H>LLO
Explanation:
HELLO :) CAN U ADD ME AS A FRIEND?
How to primarily classify viruses?
Answer:
They are classified based on their host.
Explanation:
Virus Classes: animal viruses, plant viruses, and bacteriophages.
The F1 offspring of a cross has been provided for you. It is your job to work backwards in order to determine the genotypes, the genetic makeup, of BOTH parents that produced each cross. More specifically, what parental genotypes would give you these possible genotype combination?
To fill the Punnett Square we must place the alleles from one of the parents horizontally oriented on the top of a 3x3 diagram, and the alleles from the other parent vertically oriented on the left border of the diagram. After that, we must cross each one of the alleles from one parent with the alleles of the other, positioning the result of those crossings (Ee) in the blank space where those alleles meet. Therefore, we must look at the combinations and extract the allele that appears in the same line or in the same column, as follows:
Therefore, the parental genotypes are: EE x ee.
Scientists analyze sequences of genetic material from two siblings. They determine that one characteristic is different between them.
Which of the following best describes the next steps the scientists should take to determine the exact difference?\
a. They should look at the sequence of genes in the chromosomes for that trait.
b. They should look at the sequence of the DNA bases in the gene for that trait.
c. They should look at the sequence of genes in the DNA bases for that trait.
d. They should look at the sequence of chromosomes in the gene for that trait.
The next steps the scientists should take to determine the exact difference is that they should look at the sequence of genes in the DNA bases for that trait.
Genes- The fundamental structural and operational component of heredity is a gene. DNA is the component of genes. Some genes serve as blueprints for the synthesis of proteins. Many genes do not, however, code for proteins. The few thousand DNA bases to even more over 2 million bases make up a gene in a human.
DNA- The information molecule is DNA. It contains information needed to create proteins, which are other big molecules. These instructions are dispersed throughout 46 lengthy structures called chromosomes that are found inside each of our cells. Numerous smaller pieces of DNA, known as genes, make up these chromosomes.
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Which is NOTtrue aboutdredging?A. This is a naturally occurring process.B. It removes sediment from the bottom ofbodies of water.C. It is a form of habitat loss.D. It disrupts the organisms that live at thebottom of rivers and lakes.
Dredging by definition is the removal of sediments from the bottom of water bodies such as lakes, rivers, reservoirs, and others, this process is done mainly to maintain the water flow, deth or even increase it, as such is an entirely artificial process, therefore we can say that the correct answer is option A.
Answer:A
Explanation:
Type of Transport Is energy required? How does the transport work? Description of the process. Example of molecules? Phagocytosis Protein Pump Receptor Mediated Endocytosis Simple diffusion ExocytosisFacilitated diffusion PinocytosisOsmosis
Active transport is one of the three types of substances transport accross the membrane. It needs energy to occur because it moves molecules against their electrochemical gradient. Pump protein and carrier proteins are involved in active transport. Phagocytosis, Endocytosis, Exocytosis, Pinocytosis are examples of active transport.
What is active transport?Active transport is one of the three cellular transmembrane types of transport. The other two are passive transport and simple diffusion.
Active transport acts against the electrochemical gradient, so it does need energy to transport substances.
It carries molecules from a low-concentration side of the membrane to a high-concentration side.
The energy used comes from
ATP ⇒ Primary active transportMembrane's electric potential ⇒ Secondary active transportCarrier proteins are involved in active transport.
Pump proteins, like Na-K pump, expell Na and enters K into the cell.
Among the different types of active transport we can mention endocytosis, exocytosis, pinocytosis, and hagocytosis.
These processes refers to molecules transport mediated by vesicles. It occurs from and into the cell and needs energy to happen because it is active transport.
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Which of the following processes is used to separate a collection of different size DNA fragments?0000gel electrophoresispolymerase chain reactiontransformationrecombinant DNA
Gel electrophoresis is a method useful to separate DNA fragments according to molecular size. Thus, the answer is gel electrophoresis.
Answer: Gel Electrophoresis
Explanation:
Gel electrophoresis,specifically agarose gel electrophoresis, runs DNA through a gel matrix towards a positive electrode because DNA is negatively charged. The larger the DNA molecule is the slower it will move through the gel, thus separating DNA by its size.
Polymerase Chain Reaction (PCR) is a technique used to amplify (replicate) a DNA segment many times over using DNA polymerase.
Transformation of Recombinant DNA is referring to inserting DNA into a cell. This can be done with numerous methods such as heat shock and electroporation.
Poikilotetherms - how they use behavior to maintain body temperature
Because poikilotherms lack the physiological ability to generate heat, their body temperature tends to conform to that of their surroundings in the absence of any behavioral intervention. Poikilotherms include "cold-blooded" animals (Kearney et al.).
How poikilotherms maintain their body temperature?
Cold stress or heat shock can alter membrane properties in poikilotherms, causing damage and, potentially, death if not corrected quickly. Low temperature stress is mitigated by modifying membrane lipids to lower their average transition temperature.The hypothalamus, a part of our brain, regulates our internal body temperature. The hypothalamus compares our current temperature to the normal temperature of around 37°C. If our body temperature falls too low, the hypothalamus ensures that heat is generated and maintained.The metabolic rate of poikilotherms increases with increasing temperature. Poikilotherms respond to temperature increases with a standard performance curve that includes increased performance, a maximum, and then declining performance as temperature rises further.To learn more about : Poikilotherms
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why is it important to calculate the diameter of the field when first using the microscope? bboldiitalicsuunderlinebulleted listnumbered listsuperscriptsubscript
You can calculate the real size of small objects with the microscope, so in a field, it is important to calculate the diameter.
What is a microscope?You may determine the actual size of things that are too tiny to be seen with the eye by measuring the microscope's field of view.
The largest useable field diameter in early microscope objectives typically ranged from 18 millimeters or less, but with a contemporary plan, it can occasionally approach 26 millimeters.
A microscope measurement can be used to classify an object into a certain size group or to determine whether the produced form of a specific feature is within dimensional.
Therefore to find the size of the smallest object in the microscope calculates the diameter of the field.
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Which of the following would result in an increase in plant growth?A. Decreased amount of other plant species, decreased amount of sunlight.B. Increase amount of other plant species, decreased amount of water.C. Decreased amount of herbivores, increased amount of sunlight.D. Increased amount of herbivores, increased amount of water.
All plants need the right temperature, light, water, air, and food to have a proper metabolism and to grow. The height of the plant is directly related to the number of nutrients in the soil and the light for its photosynthetic processes. On the other hand, the lower the number of herbivores, the less likely it is that the branches will be cut and the height of the plant will be reduced.
We can conclude that the correct answer is:
Answer:C. Decreased amount of herbivores, increased amount of sunlight.
Which example best describes a physical model that could be used to studythe human body?OA. A program designed to show how chemicals absorbed duringdigestion are transported to other parts of the bodyOB. A written description of how chemicals in food are broken downduring digestionO C. Molded plastic pieces that fit together to show the organs involvedin digestionD. A graph showing how blood sugar levels change throughout thedigestive process
The example that best describes a physical model that could be used to study the human body is a program designeed to show how chemicals absorbed during digestion are transported to other parts of the body.
The correct answer is option A.
If the model has been made accurately, the results shown would demostrate results that can reflect what actually occurs in the human body.
Who discovered respiratory infections and the pathogen of respiratory infections?
Who discovered respiratory infections and the pathogen of respiratory infections?
Robert M. Chanock.
Born in 1924, July 8th, he originally studied illnesses for children. Later, after being drafted through the army, made the discovery in children, and it was found to be one of the most common reasons for sickness.
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If flying squirrels were brought to Australia, what do you predict would happen
A cell is placed into a beaker containing a 4% sucrose solution. The cell contains a 1% sucrose solution. Was the cell placed in a hypotonic, hypertonic, or isotonic solution? Will there be a net influx or efflux of water and if so what direction?
Answer:Question:
A cell is placed into a beaker containing a
4
%
sucrose solution. The cell contains a
1
%
sucrose solution. Was the cell placed in a hypotonic, hypertonic, or isotonic solution? Will there be a net influx or efflux of water and if so what direction?
Concentration Gradients
The rate and direction of diffusion, and osmosis is dictated by the extent of concentration gradients present between two solutions. Organisms take advantage of concentration gradients to transport molecules, transfer heat, etc.
Explanation:
Available energy ___________ as it is transferred from one organism to another in a food chain.
Answer:Key Points. Energy decreases as it moves up trophic levels because energy is lost as metabolic heat when the organisms from one trophic level are consumed by organisms from the next level.
Explanation:
Studying the devastating effects of a tsunami can be included in which type of
science?
Answer:
earth science
Explanation:
earth science is the study of earth, the atmosphere, and the outer space
why is it important to swim with a friend even if there is a life gaurd on duty.
Answer:
because u can be drowned till the life guard on duty comes
Complete the statement below using the drop-down menus.
It is believed mitochondria evolved from
,
while chloroplasts evolved from
Mitochondria evolved from aerobic bacteria while chloroplasts evolved from cyanobacteria.
Mitochondria and chloroplasts likely evolved from engulfed prokaryotes that once lived as independent organisms. A eukaryotic cell engulfed an aerobic prokaryote, which then formed an endosymbiotic relationship with the host eukaryote, gradually developing into a mitochondrion.
Chloroplast evolutionarily derives from a primitive cyanobacteria that was engulfed by non-photosynthetic cells and, progressively, after losing most of its DNA, became the actual chloroplast that retains only a fraction of the original cyanobacterial genes. Chloroplasts of plants and algae are currently believed to originate from a cyanobacterial endosymbiont.
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Which of the following is NOT part of a cell membrane?
Hydrophobic tail
nitrogen
hydrophilic head
Phosphate
Proline is not a constituent of the cell membrane.
What constitutes a cell's components?The cell membrane, the nucleus, and the cytoplasm sandwiched in between make up a cell. Organelles, which are little but separate structures, are arranged in complex patterns throughout the cytoplasm, which contains hundreds or even thousands of them. A lipid bilayer that is semipermeable makes up the cell membrane.
Lipids (phospholipids and cholesterol), proteins, and carbohydrates make up the majority of the plasma membrane. The extracellular environment is shielded from intracellular components by the plasma membrane. By controlling the substances that enter and leave the cell, the plasma membrane facilitates biological activities.
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