The only cells that can correctly attach sugars to proteins to form glycoprotein products are

A) yeast cells.
B) E. coli cells.
C) mammalian cells.
D) algal cells.


Answer: C

Biology & Microbiology

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Would it be problematic for a cell if it's plasma membrane was inverted, with the phospholipid heads in the middle of the plasma membrane and the tails on the outside of the membrane? Why or why not?

What will be an ideal response?

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What is the coefficient of coincidence in this region?

Females heterozygous for the recessive second chromosome mutations px, sp, and cn are mated to a male homozygous for all three mutations. The offspring are as follows:



A) 0
B) 0.16
C) 0.33
D) 0.5
E) 0.66

Biology & Microbiology

Germ-line mutations

A. can be passed to subsequent generations. B. occur in sex cells. C. may range from having no effect to completely inactivating protein activity. D. All of the answer choices are true about germ-line mutations. E. Only two of the answer choices are true.

Biology & Microbiology

Safranin dye is used as the counterstain in ________ stain(s)

A) the Gram B) the endospore C) the acid-fast D) the flagellar E) both the Gram and the endospore

Biology & Microbiology