_______ is a change in DNA that can be beneficial, detrimental, or have no effect on a given population.
a. Gene flow
b. Genetic drift
c. Mutation
d. Natural selection
c. Mutation
Mutation is a change in DNA that can be beneficial, detrimental, or have no effect on a given population. A beneficial mutation can be spread through a population through selection, but this process can take a long time.
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Which of the following statements regarding evolutionary relationships among land plants is correct? (Select all correct answer options.)
A. The ancestor of all land plants was a green alga. B. Bryophytes and vascular plants together form a monophyletic group. C. Vascular plants diverged more recently than bryophytes. D. Bryophytes form a monophyletic group. E. Vascular plants evolved from mosses.
What is the purpose of phosphorylating the carboxy terminal domain (CTD)?
A. Convert from initiation to the elongation stage B. To aid in transcriptional initiation C. Phosphorylate transcription factors D. To aid in promoter recognition
Long term, heavy drinking can lead to ____, a disease characterized by inflammation and destruction of the liver
a. hepatoblastoma b. gall stones c. fatty liver disease d. jaundice e. hepatitis
Which graph, A, B, or C, best matches the logistic model of population growth?
1.A
2.B
3.C
