In the noncyclic reaction what happens to the electrons?
a. They stay in the photosystem
b. They combine with hydrogen.
c. They combine with carbon.
d. They combine with oxygen.
e. They leave the system.
e
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The biological macromolecule that is least soluble in water is a(n):
A. lipid. B. nucleic acid. C. protein. D. carbohydrate. E. enzyme
Sexual reproduction results in:
a. the preservation of the parental genotypes. b. low death rates among offspring. c. genetic similarity among offspring. d. genetic diversity among offspring. e. offspring with fitness equal to that of their parents.
Hemolytic disease of the newborn can result from an
A) Rh+ mother with an Rh- fetus. B) Rh- mother with an Rh+ fetus. C) AB mother with a B fetus. D) AB mother with an O fetus. E) Rh- mother and an A fetus.
Hematopoietic stem cells (HSCs) are particularly useful in gene therapy because ________
A) they are short lived in vitro B) they differentiate into all tissue types C) they are easy to obtain from patients D) they are useable across many patients without rejection fears