Genetic programmed cell death ____

a. occurs during zygote formation
b. occurs during cleavage
c. is known neurulation
d. is important in morphogenesis
e. is important in gastrulation


ANSWER: d

Biology & Microbiology

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A process in which organisms with certain inherited characteristics are more likely to survive and reproduce than individuals with other characteristics is called __________.

A. .evolutionary adaptation B. descent with modification C. natural selection D. evolution

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Which of the following molecules is a purine nitrogenous base?

A) 2 B) 5 C) 12 D) 13

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