All of the following occur as glucose moves through glycolysis and the Krebs cycle except:
A) NAD+ is converted to NADH. B) CO2 is released.
C) acetyl CoA enters the Krebs cycle. D) actely CoA is removed to form pyruvate.
Answer: D
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Cancer can be caused by mutations. Genetic analysis of Anna Karenena's tumor shows that the cell proliferation was triggered by a somatic mutation in the MYC gene, causing this gene to be inappropriately activated
Anna is concerned about passing this cancer on to the children she plans to have in the future. Should this be a concern? A. Yes, she should worry because tumor growth was triggered by a genetic change and mutations are passed on through cell divisions. B. No, this is not something to worry about because mutations in cancer cells cannot be passed on in cell division. C. No, she should not worry about her children because this did not occur in a germline cell.
Influenza virus adheres to the epithelium of the respiratory system with the aid of ________ and ________ found in its envelope spikes.
What will be an ideal response?
At age 19, Ian Waterman suffered a bout of stomach flu and the antibodies produced to fight off the pathogen ended up attacking his nerves in a highly specific way. The nerves that were damaged by his immune system left him with no sense of the location of his bones, limbs, joints, and muscles in space. Though he could continue to feel heat and pain, he had no sense of his body existing in the space below his neck. He became known as “the man who lost his body”. Which somatosensation did Mr. Waterman lose?
a. vestibular sensation b. equilibrium c. proprioception d. gustation
Cellular respiration is an efficient process that captures around 35% of the energy in glucose. From one molecule of glucose, it yields:
a) approximately 6 ATP (one for every carbon molecule in glucose). b) exactly 686 ATP. c) approximately 12 ATP. d) approximately 36 ATP. e) no ATP molecules.