Species of the genus Corynebacterium
A. are harmless saprophytes.
B. sometimes divide to form characteristic club-shaped cells.
C. form helical-shaped cells.
D. form elongated rod-shaped cells.
Answer: B
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Alcoholic fermentation
A. produces carbon dioxide. B. All of the answer choices are correct. C. produces ethanol. D. is carried out by yeasts. E. produces far less ATP than aerobic respiration.
Which structure, A, B, C, or D, is the developing neural tube?
1.A
2.B
3.C
4.D
Somatic mutations may be inherited by the next generation
Indicate whether the statement is true or false
The human spine acts like a weight-bearing column. Compare this to the spine of a horse, which acts like an elastic suspension bridge. Which organism would you predict to experience more back pain and why?
A) the horse, because its spine is less evolutionarily advanced B) the horse, because its spine supports more organ systems than a human's spine supports C) the human, because in order to walk upright, the human spine must be compressed D) the human, because the human spine has longer neurons