Large antibodies that agglutinate antigens are
A) IgG.
B) IgM.
C) IgA.
D) IgD.
E) IgE.
B
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A person whose cells all contain a chromosome number of 2n+1 most likely has what type of condition?
A. trisomy B. monosomy C. cancer D. obesity E. None, this is the normal chromosome number for humans.
Which of the following hormones is one that is made by your fat cells and circulates in the blood then sends a signal to the brain to stop eating when you are full?
A. insulin B. cortisol C. leptin D. glucagon
If some people who inherit a dominant allele have the phenotype associated with it and others who
inherit it do not, the allele is said to demonstrate a. incomplete dominance. b. incomplete penetrance. c. codominance. d. continuous variation. e. polygenicity.
A keystone species is the most numerous species in an ecosystem
Indicate whether the statement is true or false