The ____ phylum of seedless vascular plants has about 1000 known living species, including those in the genera

Lycopodium and Selaginella; the gametophyte of some of these species cannot photosynthesize, and instead uses
mycorrhizae to obtain nutrients



a. Hepatophyta
b. Monilophyta
c. Bryophyta
d. Lycophyta
e. Anthocerophyta


ANSWER: d

Biology & Microbiology

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Which of the following is an enzyme that breaks hydrogen bonds?

a. helicase b. telomerase c. DNA polymerase d. DNA ligase

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Refer to the accompanying figure. Based on the phenotypes of the third generation, the genotype of the father in the second generation must be:


a. homozygous for albinism.
b. heterozygous for hair color.
c. heterozygous for albinism.
d. X-linked.
e. dominant

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What enzyme is used to convert the toxic chemicals of respiration into hydrogen peroxide?

Biology & Microbiology

The process of glycolysis in cellular respiration has the function of ________ .

a. producing 36 molecules of ATP b. breaking down acetyl-CoA c. breaking down pyruvate d. breaking down glucose e. producing ten molecules of ATP

Biology & Microbiology