Which of the following white blood cells
mature in the thymus?
a. B cells
b. T cells
c. dendritic cells
d. neutrophils
e. more than one of these white blood cells
matures in the thymus
B
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In the population growth equation, G stands for ________
a. per capita growth rate b. population growth per unit time c. migration rate d. biotic potential
Environmental factors typically influence inheritance of ________
A) codominance B) dominantly inherited traits C) polygenic traits D) trihybrid crosses E) multiple alleles
Which statement about a blastodisc is FALSE?
a. It can be further divided into an upper epiblast and below that, the hypoblast. b. It results from meroblastic cleavage. c. It is found in isolecithal eggs. d. It is a small disc of cytoplasm at the animal pole. e. It is characteristic of cell division in bird eggs.
All of the following are trie about the prokaryotic outer membrane EXCEPT
a. it contains porins b. it is found only in gram negative bacteria c. it is composed of a phospholipid bilayer d. it contains a toxic component e. it contains a lipopolysaccharide