The most necessary habitat requirement of protozoa is

A. moisture.
B. light.
C. temperature.
D. UV light.


A

Biology & Microbiology

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A monomer is covalently joined to a growing polymer chain by

A. a condensation reaction B. removal of an H and an OH from the monomer and the polymer being joined, resulting in formation of a water molecule and the formation of a covalent bond between the monomer and the growing polymer chain C. all of these answers are correct D. a dehydration reaction

Biology & Microbiology

Beryllium's atomic mass is 9, and its atomic number is 4. How many neutrons are found in a beryllium atom?

A) 9 B) 13 C) 4 D) 5

Biology & Microbiology

Lipophilic hormones are transported in blood ________ and bind to receptors located ________.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

In eukaryotes, very long genes are usually the result of very long __________

a. 5? splicing sites b. promoters c. introns d. exons e. None of the above

Biology & Microbiology