How does the study of genetics and DNA help the study of evolution?
What will be an ideal response?
Answer: The amount of difference in DNA is a test of the difference between one species and another - and thus how closely or distantly related they are.
Biology & Microbiology
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Pepsin is an enzyme that functions in the
stomach. Its optimum pH would be
a. between 1 and 2. b. between 3 and 4. c. above 6. d. between 5 and 7.5. e. above 8.5.
Biology & Microbiology
The area of Earth that supports life is known as the ____
a. atmosphere b. biosphere c. hydrosphere d. lithosphere e. stratosphere
Biology & Microbiology
Which of the following is indicated by the arrow as the
location of glycolysis? a. cytoplasm b. Golgi body c. nucleoid d. mitochondrion e. rough endoplasmic reticulum
Biology & Microbiology
Fertilization in mammals normally occurs in the
a. ovary. b. uterus. c. vagina. d. oviduct. e. follicle.
Biology & Microbiology