A normal urinary system consists of

a. two urethras.
b. two ureters.
c. two bladders.
d. one kidney.
e. all of these


B

Biology & Microbiology

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During prophase I of meiosis, each chromosome consists of ____

a. one single-stranded DNA molecule b. two sister chromatids c. one sister chromatid d. four sister chromatids e. one double-stranded DNA molecule

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Both plants and animals possess mitochondria, which are used for cellular respiration to make ATP

Indicate whether the statement is true or false.

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What extends from the methylguanosine cap at the start of an mRNA to the AUG initiation codon?

a) the first intron b) the last exon c) the 5' UTR d) the last intron e) the 3' UTR

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The step in aerobic respiration that produces the most ATP per molecule of glucose is

A) alcohol fermentation. B) glycolysis. C) the citric acid cycle. D) the ETC. E) lactate fermentation.

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