Like ____, phosphorus can only be taken up by

plants in ____.
a. carbon; ionized form
b. nitrogen; compounds
c. nitrogen; ionized form
d. hydrogen; ionized form
e. carbon; compounds


C

Biology & Microbiology

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Pressure that a fluid exerts against a structure that contains it is called:

a. hypertonic b. pressure gradient c. osmosis d. turgor e. isotonic

Biology & Microbiology

Referring to the illustration, what activates the cyclin/Cdk complex?


a. binding between them
b. target protein
c. kinase
d. cyclin/Cdk is not activated

Biology & Microbiology

Into which kind of tissues does the ectoderm develop?

a. Muscles b. The nervous system c. Connective tissue d. Gastrointestinal

Biology & Microbiology

Do different types of teeth have different functions?

a. Yes b. No

Biology & Microbiology