A sugar is an example of a ____, whereas DNA is a ____.

A. protein; nucleic acid
B. nucleic acid; lipid
C. lipid; protein
D. carbohydrate; nucleic acid


Ans: D. carbohydrate; nucleic acid

Biology & Microbiology

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Pepsin is a digestive enzyme that _____

A) is manufactured by the pancreas B) helps stabilize fat-water emulsions C) splits maltose into monosaccharides D) begins the hydrolysis of proteins in the stomach E) is denatured and rendered inactive in solutions with low pH

Biology & Microbiology

Certain small towns in the western United States have remained isolated and inbred since their settlement many years ago. Some alleles are more common in these communities as compared to the rest of the population. This effect is known as  

A.  directional selection. B.  artificial selection. C.  founder effect. D.  Hardy-Weinberg principle. E.  disrupting selection.

Biology & Microbiology

Females outnumber males in the tertiary sex ratio because genetic and ____________________ factors cause higher death rates among males

Fill in the blank(s) with correct word

Biology & Microbiology

Propose an appropriate solvent to be used in the extraction of photosynthetic pigments from chloroplasts. Explain your

choice. What will be an ideal response?

Biology & Microbiology