The difference among cell types is not in the genes they possess, but in the genes they express, i.e., through epigenetics.
A. mutate, possess
B. possess, express
C. express, possess
D. control, express
B. possess, express
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While the pH of saliva ranges from 6.5 to 11.5, the pH in the stomach is about pH 2. What would you expect the optimum pH to be for the enzymes secreted into your stomach that digest proteins into amino acids?
What will be an ideal response?
The finding that mutations in synapse genes are associated with many genetic disorders that have a behavioral
component suggests that _____. a. individuals with these mutations lack synapses b. individuals with these mutations lack neurotransmitters c. malfunctions in presynaptic neurons cause abnormal behavior d. malfunctioning synapses are associated with abnormal behavior e. behavior disorders are attributable to environmental factors
All of the individuals of the same species that inhabit the same place at the same time are known as:
a. a gene pool. b. an ecosystem. c. a community. d. a population. e. a genome.
Veins functions as ________ reservoirs due to their ________ compliance
A) pressure : high B) pressure : lack of C) volume : high D) pressure : low E) volume : low