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3.5.2 Test (CST): Computer-Scored Unit Test
Question 9 of 25
2 Points
Which is part of the theory of evolution by natural selection?
O
A. All animals in a population are able to reproduce.
O
B. Animals have no variation among themselves.
O
C. Small changes add up over many generations.
O
D. Adaptations cannot be passed along to later generations.
SUBMIT

the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).

explanation:

where in your body is there an enzyme that does function at a high or low ph? what is the name of that enzyme and its function?

high growth (apex)