How many unrooted trees are possible for five species?

a. 15 c. 25
b. 5 d. 105


A

Biology & Microbiology

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A particular gene that controls seed coat color in peas also determines the susceptibility of these peas

to a particular disease. This situation is referred to as: a. varigation. b. additive dominance. c. codominance. d. pleiotropy. e. incomplete dominance.

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Which of the following mathematical expressions represents the product rule, leading to the conclusion that both event X and event Y are occurring?

a. P = X2Y2 b. P = XY c. P = X + Y d. P = X2 + Y2

Biology & Microbiology

The period of time in which the ventricles contract is known as ventricular ________

Fill in the blank(s) with correct word

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The length of the lag phase of growth can vary depending on ________.

A. the temperature B. the nature of the growth medium C. the condition of the microorganisms D. All of the choices are correct.

Biology & Microbiology