Which of the following refers to the flow of hydrogen ions across the mitochondrial membrane?
a. Chemiosmosis
b. Diffusion
c. Citric acid cycle
d. Oxidative phosphorylation
a. Chemiosmosis
Chemiosmosis refers to the flow of hydrogen ions across the mitochondrial membrane.
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A person whose cells all contain a chromosome number of 2n+1 most likely has what type of condition?
A. Monosomy B. Trisomy C. Cancer D. Obesity E. None, this is the normal chromosome number for humans. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you know about the number of chromosomes in a human cell? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? . Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The cell walls of fungi are composed of:
A. chitin B. cellulose C. dentine D. peptides E. glycerol
When Hershey and Chase labeled viruses with radioactive phosphorus, they concluded that the virus injects DNA and
not protein into its host because ____.
a. most of the radioactive protein was inside the bacteria b. most of the radioactive DNA was inside the bacteria c. both radioactive DNA and protein were inside the bacteria d. neither radioactive DNA nor protein were inside the bacteria e. entire viruses were inside the bacteria
Phytochrome is converted from the inactive to the active form by being exposed to light of what color?
a. far red b. red c. yellow d. white e. blue