Why are estuaries and coral reefs more productive than deeper regions of the ocean?

A. They have more access to light and nutrients.
B. They have more access to light and lower salt concentrations in the water.
C. They have more access to light
D. They have more access to nutrients and lower salt concentrations in the water.
E. They have lower salt concentrations in the water.


Answer: A. They have more access to light and nutrients.

Biology & Microbiology

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Phosphofructokinase is an allosteric enzyme in the glycolysis pathway. Regulation of glycolysis is directly related to the level of ATP and citrate. If ATP or citrate levels are high, phosphofructokinase will be inhibited

What will happen to this enzyme when ATP levels drop? A. Phosphofructokinase will be inhibited. B. Phosphofructokinase will be activated. C. Metabolism of citrate will be inhibited. D. Metabolism of phospholipids will be activated. E. Metabolism of phospholipids will be inhibited.

Biology & Microbiology

Seagrasses can reach high productivity levels with the aid of:

a. oxygen brought to their roots via mud shrimp burrows. b. symbiotic, nitrogen-fixing bacteria. c. their leaves, cleared of epiphytes by grazers. d. fertilization by manatees. e. eutrophic water conditions.

Biology & Microbiology

Glycolysis reactions involve ____

a. aerobic metabolism b. phosphorylation reactions c. mitochondria d. Krebs cycle reactions

e. electron transport chain reactions

Biology & Microbiology

The establishment of a pathogenic microbe in the host or the presence of a microbe in a location of the host where it is not typically found is referred to as a/an __________.

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

Biology & Microbiology