Genes that are closely related evolutionarily, have the same function, and are present in the genomes oftwo or more
different organisms are called _____.
a. genologs
b. heterologs
c. Paralogs
d. Metalogs
e. orthologs
ANSWER: e
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Amphibians use lungs and ________ for gas exchange. a. None of these choices
b. gastrovascular cavity c. book lungs d. gills e. skin
A thyroid gland cell secretes thyroid hormones into the blood. This is an example of ____
a. diffusion b. endocytosis c. exocytosis d. osmosis e. facilitated diffusion
Approximately 5 percent of the cytosine residues are methylated in the genome of any given eukaryote. In what way is DNA methylation related to genetic regulation?
What will be an ideal response?
Neutrophils with defective lysosomes are unable to
A) undergo chemotaxis. B) migrate. C) produce toxic oxygen products. D) attach to microorganisms and other foreign material. E) engulf microorganisms and other foreign material.