If you wanted to kill the plants in a lake using a chemical which stops photosynthesis, to which zone should you apply the chemical?

A. littoral

B. profundal

C. pelagic

D. benthic

E. limnetic


E. limnetic

Biology & Microbiology

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Which of the following kinds of receptor consists only of a naked nerve fiber ending?

A. Pacinian corpuscle B. cochlear hair cell C. cone D. Meissner's corpuscle E. nociceptor

Biology & Microbiology

A researcher is studying eukaryotic cells that shows an abnormal pattern of surface glycosylation. The researcher determines that these cells have normal levels of glycolipids and integral membrane proteins with O-linked glycosylation. The researcher discovers that there are no N-linked glycosylated proteins on the cell surface and unusually high levels of glycosylated in the ER membrane. What is a reasonable hypothesis to explain this observation?

A. The cell is defective in synthesizing of carbohydrates B. The cell is defective in assembling carbohydrate trees C. The cell has a defective oligosaccharide transferase D. The cell has a defect in its protein sorting pathway E. The cell has a defect in its ER localization signal

Biology & Microbiology

The flow of hydrogen ions through ATP

synthase creates what kind of energy?

a. kinetic b. potential c. chemical d. solar e. electrical

Biology & Microbiology

A function of connective tissue is to:

A) move the muscles of the body. B) form glands. C) stabilize and support the body. D) protect and cover the body.

Biology & Microbiology