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
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To experimentally determine the function of an annotated gene, a researcher may _____
a. look for similar gene sequences of known function b. examine the putative protein structure c. perform a gene knockout d. find a pseudogene for the gene e. determine the amino acid sequence
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
What structure transports blood away from a kidney?
Which of the following molecules is a purine nitrogenous base?
A) 2 B) 5 C) 12 D) 13