In spermatogenesis, what cells form in meiosis II?
A. Primary spermatocytes
B. Secondary spermatocytes
C. Spermatids
D. Mature sperm
E. More than one of these
C
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Some M dwarf stars may host planets with life
a. True b. False Indicate whether the statement is true or false
Researchers use HeLa cells to
a. study cancer. b. study viral growth. c. perform protein synthesis. d. study the effects of radiation. e. do all of these.
A clear fluid lubricates
A) ligaments. B) suture. C) fibrous joints. D) synovial joints. E) hyaline cartilage.
If you were to add one of the eight citric acid cycle intermediates to the culture medium of yeast growing in the laboratory, what do you think would happen to the rates of ATP and carbon dioxide production?
A) There would be no change in ATP production, but we would observe an increased rate of carbon dioxide production. B) The rates of ATP production and carbon dioxide production would both increase. C) The rate of ATP production would decrease, but the rate of carbon dioxide production would increase. D) Rates of ATP and carbon dioxide production would probably both decrease.