The primary reason certain plants grow well as houseplants is because they may be adapted to:
A. dry growing conditions
B. areas that normally lack direct sunlight
C. areas that get very little mineral content in the soils
D. growing short branches
E. lack of temperature changes
B. areas that normally lack direct sunlight
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How could you distinguish between the two pathogens Streptococcus aureus, which causes
strep throat, and Plasmodium falciparum, which causes malaria?
a. S. aureus does not have any genetic material. b. S. aureus is larger than P. falciparum. c. P. falciparum has membrane-bound organelles. d. S. aureus does not have a cell membrane
In a resting neuron, the inside of the cell is negatively charged mainly because of
a. negatively charged chloride ions inside the cell. b. potassium ions being pumped out of the cell. c. negatively charged proteins inside the cell.
Many types of cancer cells have been detected to secrete significant levels of lactate. Do you think these cells are likely undergoing beta-oxidation?
A. Yes, because lactate stimulates beta-oxidation. B. Yes, because beta-oxidation can generate intermediates that would lead to the production of lactate. C. No, because lactate is consumed in beta-oxidation D. No, because if lactate is being produced, the cell is not likely making use of the pathways needed to make use of the products of beta-oxidation.
A carrier of a genetic disorder who does not show symptoms is most likely to be ________ to transmit it to offspring
A) heterozygous for the trait and able B) heterozygous for the trait and unable C) homozygous for the trait and able D) homozygous for the trait and unable