Many organs are involved in the processes of keeping the blood and the body clean. When poisonous or harmful substances are in the blood, they are absorbed by the _______ and released in a less harmful form. When wastes are present in the blood, they are filtered out and removed from the body by the _______.
Answers
The answer is; Liver, kidney
The liver is a significant organ of detoxification of the body. The xenobiotic biotransforming enzymes in the liver breakdown and oxidize/ reduce and hydrolyze toxins and make them less effective. The specificity of these enzymes is broad thence are able to break down a wide variety of toxins we are normally exposed to in our environment.
When the liver break down the toxin to less harmful metabolites, these molecules are filtered out by the kidney and excreted outside the body with urine.
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B. Cytotoxic T cells bind to infected body cells and destroy them
C. Helper T cells activate cytotoxic T cells
D. A macrophage consumes a virus and displays antigens on its surface and signals helper T cells to divide.
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B. f(x) = 5000(0.6)x, with a vertical asymptote of x = 0
C. f(x) = 5000(1.4)x, with a horizontal asymptote of y = 0
D. f(x) = 5000(1.6)x, with a vertical asymptote of x = 0
Answers
Answer:
The correct option is A.
Step by step explanation:
The exponential function is defined as
Where, a is initial value and b is growth factor or decay factor.
The initial population of bacteria is 5000.
After each day of treatment, 40% of the sample remains alive. It means the growth factor or decay factor is
Therefore the required function is
The horizontal asymptote is y=0 because
Therefore option A is correct.
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B. Genetic equilibrium has been maintained.
C. Mutations have arisen that may have altered allele frequencies.
D. Individuals with new genes have immigrated into the population.
Answers
The correct answer is option C, Mutations have arisen that may have altered allele frequencies
There have been several instances where mutation in the gene of an insect is caused due to the harmful external environmental condition which are either created or occurs naturally. Usually, the organisms evolve themselves to sustain in an adverse environment condition. In the process of evolution, they go through the process of positive genetic mutation but sometimes the mutation may also produce negative effect on the DNA of an species through wrong or inefficient pairing/coding. Here in this case it can be stated that the chemical sprayed on insects might have attacked the gene pool of the insects thereby producing adverse genetic mutation.
When a farmer sprays insecticide on crops, the DNA of the insects that are not killed can be damaged, leading to mutations that may alter allele frequencies in the population.
A farmer spraying insecticide on his crops to kill unwanted insects has the effect of damaging the DNA of the insects that are not killed. This can lead to mutations that may alter allele frequencies in the insect population. Hence, the correct answer is C. Mutations have arisen that may have altered allele frequencies.
Learn more about Effect of insecticide spraying on insect DNA here:
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since you are in motion while riding your car, If you suddenly run into some kind of obstruction, your body will continue to move in the direction it was going. Seat belts are very important because they're there to stop you. Not wearing seat belts would probably cause injury or death because, you could go right through your front window unless you have them worn.
Answer:
Explanation:
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a. 3
b. 4
c. 5
d. 6