Using your knowledge of the feedback loops of human female hormones, which of the following would you predict is the result of high levels of estrogen and progesterone in the blood?
a. lack of growth of the corpus luteum
b. absence of monthly ovulation
c. increased secretion of FSH
d. increased levels of LH
e. increased menstrual flow
b
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True cocci, such as most Neisseria spp. and Moraxella catarrhalis, can be differentiated from morphologically similar Moraxella species by:
a. comparing the penicillin susceptibility testing results of the bacteria. b. subjecting the bacterium to noninhibitory concentrations of penicillin. c. identifying the resistance of Moraxella to many <-lactam antimicrobial agents. d. performing the deoxyribonucleic acid (DNA) test.
Branches of a phylogenetic tree are organized by which principle?
a. morphology b. geographic proximity c. genetic relationships d. sapidity
Barnacles live a(n) ____ lifestyle
a. planktonic b. infaunal c. nektonic d. sessile e. mobile
In addition to the environment, what genetic factor affects human bone size and structure?
A) polygenic inheritance B) codominance C) simple dominance D) sex-linked recessive inheritance