In a human cell at prophase I, there are __________ tetrads

a. 92
b. 46
c. 23
d. 2
e. 4


C

Biology & Microbiology

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Rhizomes, tubers, corms, and stolons are examples of modified

a. leaves. b. bulbs. c. roots. d. flowers. e. stems.

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The organism in the above photograph has which of

the following structural systems? a. cartilaginous b. bone c. hydrostatic d. chitinous e. none of these

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Using the techniques of genetic engineering, you design a protein you want to accumulate within the ER of yeast cells. To accomplish this goal, you need to

A) do nothing; all proteins go through the ER. B) incorporate appropriate mannose-6-phosphate groups. C) incorporate the appropriate DNA sequence(s) to create signal sequences in the mature peptide. D) incorporate radioactive amino acids into the protein. E) remove the N-formyl group located at the N-terminus of the polypeptide.

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Which can be absorbed in the large intestine

A. some amino acid B. vitamin k C. vitamin d D. calcium E. bile

Biology & Microbiology