Meroblastic cleavage occurs in _____
A) sea urchins, but not in humans or birds
B) humans, but not in sea urchins or birds
C) birds, but not in sea urchins or humans
D) both sea urchins and birds, but not in humans
C
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Diversity is often ________ when ARISA or T-RFLP is used
A) underestimated B) overestimated C) not represented D) biased
Which of the following statements is NOT true of the stomata on the leaves of vascular plants?
A. They regulate intake of carbon dioxide needed for photosynthesis. B. They regulate release of oxygen to the air. C. They regulate loss of water. D. They are open or closed depending on environmental conditions. E. They regulate the absorption of light by the chlorophyll.
How would you design an experiment to test whether a transduction event occurred between two different bacterial strains?
What will be an ideal response?
Which of the following lack vascular tissue?
A) cone-bearing plants B) grasses C) ferns D) mosses