A fetus’s exposure to ____ is the leading preventable cause of birth defects
a. alcohol
b. X-rays
c. viruses
d. thalidomide
e. Toxoplasma gondii
a
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If a microbiologist is studying a specimen at a total magnification of 950X, what is the magnifying power of the objective lens if the ocular lens is 10X?
A. 95X B. 940X C. 950X D. 9500X
Some animals, like humans, have two eyes on the front of the head that perceive a mostly overlapping
visual field. In contrast, some herbivores (rabbits, for example) have eyes on the sides of their head and visual fields that may not overlap at all. How does this impact perception of the environment?
a. Humans have better depth perception and a wider field of vision than rabbits. b. Humans have poorer depth perception and a narrower field of vision than rabbits. c. Humans have better depth perception and a narrower field of vision than rabbits. d. Humans have poorer depth perception and a wider field of vision than rabbits. e. Due to integration by the brain, there is really no difference in depth perception or visual field size when comparing humans to rabbits.
Photosynthesis is a series of ____ reactions, while aerobic respiration is ____ reactions
a. anabolic, catabolic b. catabolic, anabolic c. anabolic, anabolic d. catabolic, catabolic
Without using chemical agents, name two examples of how the bacterial cell wall can be damaged that would result in Gram-positive bacteria showing a Gram-negative result
What will be an ideal response?