What drives the movement of carbon dioxide from tissue into the bloodstream?
A. active transport against a concentration gradient
B. facilitated diffusion down a concentration gradient
C. simple diffusion down a concentration gradient
D. facilitated diffusion against a concentration gradient
E. the heart pumping the carbon dioxide into the bloodstream
C. simple diffusion down a concentration gradient
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How many glucose molecules are produced during one complete Calvin cycle?
a. 1 b. 2 c. 3 d. 4
The number of offspring an individual organism could have under optimal conditions is called the
a. biotic potential. b. fertility rate. c. life expectancy. d. carrying capacity. e. fecundity.
Elements such as iodine, chlorine, and bromine are examples of (oxidizers/halogens/metals), which are the basis for many effective antimicrobial agents.
Fill in the blank(s) with the appropriate word(s).
Which of the following sequences of DNA would most likely be damaged by UV radiation?
A. AGTTCGCTT B. ATAGAGCGC C. AGAGCGCAT D. AGTACGCAT