What substance required for aerobic metabolism is supplied to the body cells by respiration?

A. Oxygen
B. Carbon dioxide
C. Hemoglobin
D. Nitrogen
E. Glucose


Answer: A

Biology & Microbiology

You might also like to view...

Triploblastic organisms give rise to ___ germ layers, which include _______

A. two; ectoderm and endoderm B. two; endoderm and mesoderm C. three; ectoderm, mesoderm, and endoderm D. three; ectoderm, metoderm, and endoderm

Biology & Microbiology

The base of the food web in the deep sea is:

a. phytoplankton. b. algae. c. seagrasses. d. sinking dead matter. e. viruses.

Biology & Microbiology

In Figure 3.1, line "c." points to the microscope's

a. Illuminator. b. Condenser. c. Ocular lens. d. Objective lens.

Biology & Microbiology

To be an effective antibiotic or chemotherapeutic agent, it is necessary

Select one: a. not to kill the human host or cause allergic reactions. b. to be able to kill a bacterial cell only. c. not to kill the human host or cause allergic reactions AND to be able to kill a bacterial cell only. d. to change the genome of the bacterial disease agent. e. to stop any universal living cell process.

Biology & Microbiology