Why is meiosis II needed for gamete (egg and sperm) production?
A) to get unreplicated chromosomes in the gametes
B) to generate genetic diversity
C) to make the gametes haploid
D) All of the above are true.
Answer: A
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Increased pressure due to aqueous humor buildup in the eye causes which disorder?
a. cataracts b. glaucoma c. macular degeneration d. color blindness e. farsightedness
Which to these functions of the kidneys are mismatched.
a) excretes metabolic wastes-rids the body of urea b) maintains the water-salt balance-helps regulate blood pressure c) maintains the acid-base balance-rids the body or uric acid d) secretes hormones-secretes erythropoietin e) all of the choices are correct
During an immune response, which cells disintegrate producing a chemical net that traps nearby invaders?
a. T cells b. B cells c. macrophages d. neutrophils e. eosinophils
The following statements are true about some cyanobacterial species except:
A. gave rise to chloroplasts. B. can partner with fungi in a symbiotic relationship. C. can fix nitrogen. D. form filaments in water. E. do not perform photosynthesis.