Which embryonic cell layer develops into the lining of the gut in most eumetazoans?

a. mesoderm
b. epiderm
c. mesoglea
d. endoderm
e. ectoderm


D

Biology & Microbiology

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Lack of telomerase activity limits what?

A. the rate of DNA replication B. the number of replication bubbles that form during replication C. the number of times a cell can divide D. the number of Okazaki fragments that can be linked together E. the rate of meiosis

Biology & Microbiology

Glial cells function to ____

a. conduct electrical impulses b. support and nourish neurons c. secrete collagen fibers into the extracellular matrix d. release secretions from a free surface e. move ions across the cell membrane

Biology & Microbiology

All of the following are organisms within the

domain eukarya with one exception. Select the exception.

a. bacteria. b. animals. c. protists. d. fungi. e. plants

Biology & Microbiology

The cuticle helps a plant conserve water by ____.?

a. covering the stomata
b. reducing a plant’s capacity for photosynthesis
c. absorbing visible light
d. restricting the amount of water a plant’s root absorbs
e. restricting the amount of water vapor that diffuses out of aboveground parts.

Biology & Microbiology