In tobacco plants, a H+/sugar cotransporter called NtSUT1 is required for sucrose loading into phloem. Levels of NtSUT1 are likely to be highest in what plant tissue?
A. roots
B. leaves
C. flowers
D. seeds
Answer: B
You might also like to view...
Frigatebirds have been observed to pirate food by:
a. perching on feeding pelicans and then stealing fish. b. beating and jostling boobies in flight, forcing them to regurgitate their food - then seizing it. c. preying on other birds. d. both a and b. e. both b and c.
Host cells of viruses include ________.
A. protozoa and algae B. humans and other animals C. plants and fungi D. bacteria E. All of the choices are correct.
Olfactory bulbs are located in which portion of the brain?
a. occipital lobe b. frontal lobe c. parietal lobe d. occipital lobe e. thalamus
If a Drosophila female has a homozygous mutation for a maternal effect gene, _____
A) she will not develop past the early embryonic stage B) all of her offspring will show the mutant phenotype, regardless of their genotype C) only her male offspring will show the mutant phenotype D) only her female offspring will show the mutant phenotype