In flies, what approximate percentage of genes is unique to that genus and not shared with other eukaryotes?
a. 1
b. 10
c. 30
d. 70
e. 95
Ans: d
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The amount of solar energy incorporated into chemical bonds during photosynthesis in a given year is approximately ______________ the amount of energy obtained from oil and coal in that same year
A. one-half B. one-tenth C. equal to D. one million times E. ten times
Which of the following statements is true regarding secondary growth in vascular plants? Select all correct choices
A. Secondary growth depends only on the vascular cambium. B. Secondary growth depends only on the cork cambium. C. Secondary growth depends on both the vascular and cork cambia. D. Secondary growth causes a plant to grow in diameter (not height). E. Secondary growth causes a plant to grow in height (not diameter).
Osmosis can only occur if water travels through the
A. ER. B. semipermeable membrane. C. cytoskeleton. D. cell wall. E. vacuole.
The stages of follicle development are:
A) ovarian follicle, mature follicle, oocyte. B) tertiary follicle, secondary follicle, primary follicle, corpus luteum. C) corpus luteum, tertiary follicle, secondary follicle, primary follicle. D) primary follicle, secondary follicle, tertiary follicle, corpus luteum.