Which receptor in plant cells is activated by red light?

a. rhodopsin
b. diacylglycerol
c. acetylcholine
d. phytochrome
e. cryptochrome


d

Biology & Microbiology

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All microorganisms require

A) carbon, iron, and sodium. B) phosphorus, aluminum, and sodium. C) calcium, potassium, and magnesium. D) phosphorus, selenium, and sulfur.

Biology & Microbiology

Real-time PCR can be used for which of the following?

A. Conduct a PCR reaction without the use of primers B. Generate cDNA C. Quantify expression of a specific gene in a cell D. Nonspecific DNA amplification

Biology & Microbiology

Diseases constantly present in a population are called

A. epidemic. B. chronic. C. latent. D. endemic.

Biology & Microbiology

Which type of animal depends on the environment for body heat?

a. endotherm b. mesoderm c. ectotherm d. anterotheil

Biology & Microbiology