Of the nutrients needed for plant growth, active uptake of ________ regulates turgor pressure within cells of leaves.
A. carbon dioxide
B. nitrogen
C. oxygen
D. ions
Answer: D
You might also like to view...
A researcher determined that a strain of E. coli is producing a shortened version of a protein required for glucose metabolism. What type of mutation could be responsible for this shorter than normal protein?
A. nonsense mutation B. missense mutation C. silent mutation D. sense mutation E. frameshift mutation
A group of individuals of the same species occupying a given area defines a(n):
a. community b. ecosystem c. population d. biosphere e. habitat
Approximately how many base pairs are still improperly matched in the bacterial genome after the DNA polymerase proofreads the DNA strand?
A. 1 in a billion B. 1 in 1,000,000 C. 1 in 10,000 D. 1 in 100,000,000 E. 1 in 100,000
Aspirin and other nonsteroidal anti-inflammatory drugs (NSAID) inhibit inflammation by inhibiting an enzyme in the prostaglandin pathway. However, inhibiting this enzyme also inhibits other pathways that protect the stomach from damage by stomach acid
and that form blood clots. What can you conclude from this? A) The enzyme inhibition is nonreversible. B) The enzyme is found in many different types of cells. C) Prostaglandins cause blood clotting. D) Aspirin should not be given to people who people who need to synthesize enzymes.