Rhodophyta are ____algae
a. brown
b. red
c. golden
d. green
e. blue-green
B
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The acrosomal reaction is the ____
a. activation of a sperm cell through attachment of an acrosome b. release of digestive enzymes from the acrosome after the initial attachment of a sperm to an egg c. fusion of sperm and egg nuclei using enzymes from the acrosome d. use of enzymes from the acrosome to block the attachment of other sperm cells to the egg e. initial binding of the sperm to the zona pellucida
Which enzyme is responsible for synthesizing an RNA strand from a DNA template strand?
a. RNA polymerase b. RNA ligase c. DNA ligase d. DNA polymerase
If a person undergoes antibiotic treatment that kills off most of her normal intestinal bacteria, she would be vulnerable to a deficiency of
a. fiber. b. cellulose-degrading enzymes. c. vitamin K and B vitamins. d. essential amino acids. e. water reabsorption.
Which of the following is TRUE of asexual reproduction?
a. It allows an individual’s genes to adjust to the environment. b. It produces greater genetic diversity. c. It is a good strategy if an organism lives in a constant, unchanging environment. d. It slows the accumulation of potentially harmful mutations. e. It allows only half of an individual’s genes to be passed on.