Cytoplasm is comprised of:
a. organelles and cytosol.
b. gametes and organelles.
c. DNA and RNA.
d. gametes and DNA.
e. gametes and RNA.
A
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Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?
What will be an ideal response?
What was a main factor in why Sir Alistair Hardy wanted to study the Antarctic seas? a. To study the evolution of whales for science
b. To study the biology of fish for harvesting. c. To study the biology of whales for efficient commercial exploitation. d. To study the distribution of whales for science.
Which of the following series of events is associated with the formation of cancer?
A. The oncogenes mutate and become proto-oncogenes which are continuously active. There is also an associated loss of tumor suppressor gene activity allowing uncontrolled growth of cells. B. The proto-oncogenes mutate and become oncogenes which are continuously active. There is also an associated loss of tumor suppressor gene activity allowing uncontrolled growth of cells. C. The proto-oncogenes mutate and become oncogenes which stop functioning altogether. There is also an associated increase in the tumor suppressor gene activity allowing uncontrolled growth of cells. D. The oncogenes mutate and become proto-oncogenes which stop functioning altogether. There is also an associated increase in the tumor suppressor gene activity allowing uncontrolled growth of cells.
A high concentration of H+ in the thylakoid compartment provides potential energy for the ____ by ____.
A. breakdown of water; oxidation B. production of ATP; ATP synthases C. reduction of NADP+; an electron transfer chain D. production of sugars; the light-independent reactions E. production of O2; photolysis