C. Asthma
- Goitre is due to lack of iodine in diet.
- Arthritis due to inflammation of the joints.
- Bone cancer due to radiation.
- Asthma due to intake of harmful gases like CO₂.
Answer:
Asthma
Explanation:
Burning of coal in air causes combustion the reaction is given by
C+O_2-->CO_2Carbon dioxide is a harmful gas for our lungs so it causes Asthma
A person who is dehydrated has a lower than normal amount of water in their blood but has the same amount of formed elements. Therefore, their hematocrit will be _____________ normal.
Geneticists have been working for years to develop higher quality cotton fibers by selectively breeding plants with better fibers. What is a drawback of this selective breeding process?
We can confirm that the drawbacks of selective breeding include increased risk of genetic defects and reduced resistance to immunological threats.
What is selective breeding?This is a breeding method in which specific organisms are bred that contain the desired trait, in order to produce offspring with that specific trait. This brings many downsides in that it reduces genetic variation in the organism, making it more prone to infections and disease, as well as increasing the risk of transmitting a genetic anomaly between breeding cycles.
Therefore, we can confirm that the drawbacks of selective breeding include increased risk of genetic defects and reduced resistance to immunological threats.
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If a strand of DNA has 48% cytosine what will the percent be for the other nitrogenous bases?
Answer:
There are 4 possible nucleotides that occur in two complementary sets. If 24% of the DNA is cytosin, the equal share has to be the complementary guanin. That makes 48% GC that leaves 52% AT, thus 26% are adenine and 26% thymine.
This calculation of course wouldn’t work if you were to look at only one DNA strand, where you’d end up with a vastly underdetermined mathematical system.
Explanation:
Explain why human cells undergo mitosis.
Answer:
to make more diploid cells.
Explanation:
It works by copying each chromosome, and then separating the copies to different sides of the cell. That way, when the cell divides down the middle, each new cell gets its own copy of each chromosome.
Answer:
The purpose of mitosis is to make more diploid cells.
Explanation:
It works by copying each chromosome, and then separating the copies to different sides of the cell. That way, when the cell divides down the middle, each new cell gets its own copy of each chromosome.
If both parents have normal pigmentation, what are all of the possible genotypes that may be observed in their offspring
If these both parents have the normal pigmentation then it flolows that all the chilldren will possess a normal pigmentation.
What is genotype?The term genotype refers to the sum total of the genes that an offspring acquires from its parents. We must note that genes are contained in the chromosomes.
We do not know the specific pairs of alleles possesed by the parents since the question is incomplete. However, we do know that the both parents do have a normal pigmentation. If these both parents have the normal pigmentation then it flolows that all the chilldren will possess a normal pigmentation.
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According to the histogram, how many shipments had more than 20 light bulbs broken? A) 4 B) 6 C) 7 D) 12
The histogram depicts that the number shipments that had more than 20 light bulbs broken is D. 12.
What is a histogram?A histogram simply means a graphical representation that is used to organize a group of data points into ranges.
From the complete question, the histogram shows that the number shipments that had more than 20 light bulbs broken is 12. This can be interpreted based on the ranges shown in the histogram.
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Answer:
7
Explanation:
I did the USA test prep!!
Click the statement that best describes the role of each element in living organisms.
Nitrogen
Phosphorous
Sulfur
Answer:
Problem one;
Nitrogen: is obtained by plants from bacteria in the soil.
Phosphorous: provides strength to bones and exoskeletons.
Sulfur: gives strength to the protein keratin.
Problem two:
Answer 1:
King James
Answer 2:
selling shares
Answer 3:
company shareholders
Answer 4:
the James River
Explanation:
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Jay is here to help you love
Answer: Nitrogen
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From: Jaybella~
Gregory is doing his experiment for the science fair. The above table shows the data he collected. Based on the table, what is the best description of what Gregory wanted to know?
how are organisms separated
Answer:
prezgotic and postzygotic barriers
Explanation:
according to the biological species concept, organisms belong to the same species if they can interbreed to produce viable, fertile offspring. Species are separated from one another by PREZGOTIC AND POSTZGOTIC BARRIERS, which prevent mating or the production of biable, fertile offspring.Answer:
Organisms separate using a cellular process that replicates chromosomes and produces two identical nuclei in preparation for cell division. Generally, mitosis is immediately followed by the equal division of the cell nuclei and other cell contents into two daughter cells.
Which part of a plant are used to attract birds and insects called
Answer:
Nectar
Explanation:
The part of a plant that is used to attract birds and insects is called Petals. Sometimes, nectar is also used for the same function.
What do you mean by Plant?A Plant may be defined as a living thing that grows in the earth and has a stem, leaves, and roots. They are the autotrophs that synthesize their own food through the process of the photosynthesis.
Petals are multicolored leaf-like structures that encircle the male and female reproductive organs of the plant. Because of its colorful nature, it attracts a variety of birds and insects.
Nectar is a sweet substance that attracts insects or birds for the purpose of pollinating the flower.
Therefore, the part of a plant that is used to attract birds and insects is called the Petals. Sometimes, nectar is also used for the same function.
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Without the greenhouse effect, temper on Earth would (F) be too cool or too hot. G) become constant. (H) increase sharply. (I) vary too much.
Answer: (F): Be too cool or too hot.
Explanation: The Greenhouse Effect on Earth is a process of when gases in the atmosphere capture the heat produced by the Sun. Without the Greenhouse Effect, the heat reflected by Earth's surface would be lost in space. The temperature on Earth would drop drastically low and this could lead to oceans/lakes freezing over and some living organisms to die out. This would make most life incapable of living on Earth.
A student wants to determine the effect of soil type on plant growth. He set up 3 pots as shown below. How could this experiment be improved?
A - There is nothing wrong with this experiment.
B - The three pots should have different amounts of water
C - All three pots should have the same kind of seed, the same amount of light, and the same amount of water.
D - All three pots should have the same kind of soil.
Answer:
C is correct
Explanation:
took test (k-12 student)
What is meant by the term "osmosis"?
Answer:
Explanation:
Osmosis is a passive process and happens without any expenditure of energy. It involves the movement of molecules from a region of higher concentration to lower concentration until the concentrations become equal on either side of the membrane. Any solvent can undergo the process of osmosis including gases and supercritical liquids.
Answer: in biology Osmosis is the carriage of a solvent through a semipermeable membrane that separates two solutions of differing solute concentration. During osmosis, the solvent moves from the solution so that lower in solute concentration to the solution that was highest in solute concentration.
Explanation:
Help please!
in humans, one of the genes determining color vision is located on the x
chromosome. the dominant form (c) produces normal color vision; red-green
color blindness (c) is recessive. if a man with normal color vision marries a color-
blind woman, what is the probability of their having a color-blind son? a color-
blind daughter?
Answer:
The chances that the first child from this marriage is a color-blind boy is ... 25%
Name an example of how animals were adapted for their specific environments on the galápagos islands.
Answer: These adaptations include a short, blunt stout , a long, flat, incredibly strong tail that propels it through the water, and a special gland that allows it to expel excess salt from its body.
20. Which of the following statements identifies the relationship between the Miller-Urey Experiment and the
Primordial Soup Hypothesis?
Miller-Urey supported the Primordial Soup Hypothesis because it concluded that organic molecules could be
produced in the presence of certain inorganic conditions of early Earth.
Miller-Urey disproved the Primordial Soup Hypothesis because it concluded that amino acids could be
produced in the presence of certain inorganic conditions of early Earth.
Miller-Urey did not support the Primordial Soup Hypothesis because it did not prove the formation of organic
molecules through a lightning strike hypothesis.
No relationship exists between the two.
Miller-Urey supported the Primordial Soup Hypothesis because it concluded that organic molecules could be
produced in the presence of certain inorganic best explain the relationship between Miller-Urey and Primordial soup.
Miller urey experiment.The Miller Urey experiment refer to a form of chemical experiment that simulated the conditions present on the early Earth and tested the chemical origin of life using those conditions . The experiment performed at the time supported Alexander Oparin's and J. B. S. Haldane's hypothesis that putative conditions on the primitive Earth is important for chemical reactions to produce more complex organic compounds from simpler inorganic precursors.
The first was the “primordial soup” which was a conclusion that when Earth was young, the oceans were filled with simple chemicals important for life and this assemble into living cells.
Therefore, Miller-Urey supported the Primordial Soup Hypothesis because it concluded that organic molecules could be
produced in the presence of certain inorganic best explain the relationship between Miller-Urey and Primordial soup.
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Sun-->sagebrush-->jackrabbits-->coyotes
What would happen to this ecosystem if the amount of coyotes increased? plsss tell me
Answer:
there would be less jackrabbits, more sagebrus, and the coyotes would have less food leading them to death
Explanation:
what i said
What is yhe role of decomposers in an ecosystem?
explain each of the following diffusion happens faster when the temperature rises
Answer:
Diffusion is the transport of particles from an area of high concentration to an area of low concentration.
Explanation:
So, with that being said, the higher the temperature is, the more Kinetic Energy the particles will have, meaning they will move to different areas of concentration at a faster rate.
Dna is found coiled up into chromosomes within what cellular structure?.
Answer:
Your answer is the nucleus!
Explanation:
In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure. DNA and histone proteins are packaged into structures called chromosomes.
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Which of the following factors are essential to ignite a fire?
A. All of these
B. Fuel
C. Air (oxygen)
D. Heat
Answer:
All of these
Explanation:
Any fire needs three things to burn.
Fuel to keep burning.Oxygen to burnHeat until calorie value of substanceSo option A is correct
In proteins structure determine the what? of a protein
The primary structure of a protein is its amino acid sequence. This drives the folding and bonding of the linear amino acid chain, which in turn determines the unique three-dimensional shape of the protein.
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A researcher is studying the plants and animals in a particular biome. The observations include ferns, large woody vines, monkeys, sloths, and boa constrictors. In which biome is the researcher located?
Tropical Rain Forest is the biome that include ferns, large woody vines, monkeys, sloths, and boa constrictors.
What is Tropical Rain Forest?Tropical rainforests are the rainforests that occur in the regions of tropical rainforest climate where there is no dry season. Due to such type of climate, there is greater amount of biodiversity.
So we can conclude that Tropical Rain Forest is the biome that include ferns, large woody vines, monkeys, sloths, and boa constrictors.
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How does the mutation rate affect the speed at which a population adapts to its environment?
Answer:
Under these conditions an increase in the mutation rate evolves, which allows faster adaptation to the spatial variation in local temperature, causing a faster range expansion across the spatial gradient.
Answer:
The mutation rate is the speed (or mutations per unit time) at which a sequence of DNA changes, either through natural means or artificially induced means. Natural selection is the way that a population of organisms evolve over time to adapt to their environment.
Scientists have several theories about magma hotspots and mantle plumes. They are theories because neither can be observed within the Earth's layers. Scientists say a model of a hotspot/mantle plume location in the Earth is much like a lava lamp. Consider the photo of the lava lamp and complete the analogy. Select which description would not apply
Most Magma Hotspots are situated under the African Plate. Others occur very close to the diverging plate boundaries. Some are also known to be underneath Iceland, the Azores, and the Galapagos Islands.
What is a Magma Hotspot?A magma hot spot refers to an area on the Earth domiciled over a mantle plume where molten magma is hotter several degrees than surrounding magma.
The magma plume causes melting and thinning of the rocky crust and widespread volcanic activity.
Please note that the referenced photo is unavailable hence the general answer.
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what do the two strands of DNA join together to form
Answer:
the two strands that join together are T-A the other two are G-C.
Explanation:
in dna these two strands pair together to make one
During metaphase the chromosomes line up along the:.
Answer:
center of the cell at the metaphase plate.
Explanation:
Describe two similarities between bacterial cells and animal cells
Select all that apply B vitamins are required for Multiple select question. chemical breakdown of carbohydrates. synthesis of lipids. protection of cell membranes against oxidative damage. metabolism of amino acids.
Vitamin B are required for the following :
Protection of cell membranes against oxidative damage metabolism of amino acids.Vitamin BVitamin B is very important for the proper functioning of the body cells in the body by helping with the metabolism process of converting food to energy. Vitamin B helps in the protection and maintenance of healthy skin and all kinds of cells and tissues in the human body.
Vitamin B helps in the rebuilding and creation of new blood cells in the body as well.
Hence we can conclude that Vitamin B are required for the following : Protection of cell membranes against oxidative damage, metabolism of amino acids.
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PLEASE HELP!!
How does Pavan believe we should think about the value of a mangrove tree?
Answer:
who is pavan. value???
Explanation: