The granules of neutrophils contain ________.
A. histamine
B. antigens
C. digestive enzymes
D. peroxidase
E. antibodies
Answer: C
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Instinctive behaviors that are performed in exactly the same way every time they are triggered are
defined as ____.
a. sign stimuli b. fixed action patterns c. releasers d. habitual behaviors e. conditioned behaviors
Osmosis refers to the diffusion of ________ across a semipermeable membrane
a. water b. all dissolved solutes c. any dissolved solute d. both water and any dissolved solute
__________ are cells that synthesize bone, whereas __________ break bone down. Fill in the blank(s) with the appropriate word(s)
The presence of freckles is due to a dominant allele. Four percent of the individuals in a particular population lack freckles
Use the Hardy-Weinberg formula to calculate the percentage of individuals in this population who are homozygous dominant for freckles. A) 32% B) 4% C) 64% D) 80%