Human cases of complete myostatin deficiency ____
a. are very common
b. are quite rare
c. have never been identified
d. are easy to study
e. result from nutritional deficiencies
ANSWER: b
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Which of the following correctly lists the terms in hierarchical order from smallest to largest?
a. nucleotides, DNA, genes, proteins, genome b. DNA, genes, proteins, genome, nucleotides c. genome, genes, proteins, nucleotides, DNA d. proteins, genes, genome, DNA, nucleotides e. genes, genome, nucleotides, DNA, proteins
A cell-signaling molecule that is fat-soluble __________
a. must bind to a receptor on the cell membrane before entering the cell b. can pass through the cell membrane of a cell c. is unable to pass through the cell membrane of a cell d. is not as effective as a water-soluble signaling molecule
Sponges, which are found in aquatic environments, have special flagellated cells that help to
draw food into their body cavities. Sponges are most likely __________.
a. filter feeders b. fluid feeders c. bulk feeders d. predators
Which type of disease is LEAST likely to be able to be treated using genome editing with TALEN or CRISPR?
A. Trisomy-21 B. Cystic fibrosis C. Huntingtons D. Leukemia