Normally the amount of plasma in whole blood is GREATER than the amount of formed elements: plasma makes up approximately -55- percent of whole blood.
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Autotrophs are organisms that can produce their own food from the substances available in their surroundings using light (photosynthesis) or chemical energy (chemo-synthesis). Heterotrophs cannot synthesize their own food and rely on other organisms, both plants and animals for nutrition. hope this helps :)
The number of years of divergence from a common ancestor =300,000 years.
<h3>What are mutations?</h3>
Mutations are changes that occur in the DNA of living organisms.
Mutations can be used as molecular clocks if they occur at a constant rate.
Considering the nucleotide substitutions occur by mistake in a segment of ribosomal RNA at a constant rate of one substitution every 100,000 years.
The ribosomal RNA of the two modern-day species have six differences in their sequences.
Number of years of divergence = 6/2 * 100000 = 300,000 years.
In conclusion, changes that occur in nucleotide sequences are known as mutations.
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I'm going to say the answer is B, because the tittle doesn't match the pamphlet's contents
Adaptive immunity is developed after an organism is exposed to a disease. Lymphocytes, who years later respond to repeated exposure to the infection are called;
Lymphocytes are basically classified into two namely, the B and T cells. The B cells give antibody-mediated immunity while the T cells provide cell-mediated immunity.
The memory cytotoxic T lymphocyte is stored as reserve in the body so that in the event of the reoccurrence of a disease, it will resolve itself into the cytotoxic T cell that will fight the disease antigen.
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