When an end product of a reaction is in excess and inhibits the first enzyme of the pathway, this is an example of negative feedback.
a. true
b. false
Answer: a. true
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Which of the following is TRUE of the citric acid cycle?
A. It yields most of the NAD+ in cell respiration. B. It produces oxygen. C. It yields ATP, NADH, and FADH2 as energy intermediates. D. It occurs on the inner membrane of the mitochondria. E. It produces ATP as the primary energy intermediate.
The process of emulsification is crucial to the digestion of
A. carbohydrates. B. lipids. C. nucleic acids. D. proteins. E. bile salts.
The outer membranes of bacteria, mitochondria, and chloroplasts contain large nonselective channels made of multipass proteins known as ________ in which the transmembrane segment of the protein is composed of a ________
Fill in the blank with correct word.
A scientist discovers a new application for a common medical procedure that involves taking tissues from one patient and placing them into another patient. The procedure always results in a full recovery for the patient receiving the tissue but results in long-term disability for the donor 10% of the time. According to bioethics, making the decision as to whether this procedure should be allowed in this country should be the responsibility of
What will be an ideal response?