Differentiation is the process by which cells
a. mature into larger cells.
b. change from one type of muscle to another.
c. allows cells to change to fix injuries.
d. turn on all the genomic genes.
e. become specialized by turning on some genes
and turning off others.
Answer: e
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What is the effect of stress on a population?
a. Plants compete less with each other in stressful environments. b. Plants compete more with each other in a stressful environments. c. Only abiotic factors contribute to environmental stress. d. Stressful environments brought about by humans do not affect populations. e. Stressful environments brought about by nature do not affect populations.
One of the Hardy-Weinberg assumptions states that the population is infinitely large. What influence might a small population size have on a Hardy-Weinberg equilibrium?
What will be an ideal response?
When the two alleles CR CW are the genotype of an individual, that person displays features of both alleles. This is known as
A. polygenic inheritance. B. multiple alleles. C. complete recessiveness. D. codominance.
Plants help reduce flooding by
A) removing soil. B) breaking down the soil. C) decreasing the amount of water returned to the air. D) increasing CO2 levels. E) increasing the soil's ability to hold water.