Which hormone prevents menstruation in a
pregnant woman?
a. follicle stimulating hormone
b. lutenizing hormone
c. estrogens
d. human chorionic gonadotropin
e. testosterone
D
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All but one of the following are false regarding protists. Identify the true statement
a. All protists are single-celled organisms. b. Protists are prokaryotic. c. Protists have cell walls composed mainly of peptidoglycans. d. Most protists are single-celled organisms; some are multicellular. e. Protists do not have the ability to move on their own.
A heterozygote for a trait exhibiting incomplete dominance will
a. express the dominant trait. b. express the recessive trait c. exhibit an intermediate phenotype. d. express both alleles.
Large, flightless birds called __________ were exterminated from New Zealand by Maori natives before Europeans arrived.
A) dugongs B) dodos C) moas D) boas
In a three-point mapping experiment, how many different genotypic classes are expected?
A) 0 B) 4 C) 2 D) 8 E) 1