TCA (Kreb's) cycle
What will be an ideal response?
Kreb's cycle:
-acetyl phosphate is a global signal of the nutritional environment
-excreted until needed for further catabolism
•Generates NADH, CO2, ATP
•NADH donates e-s to the ETS
•Gram-negative bacteria
•Gram-positive bacteria
•Most eukaryotes
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Dietary fiber is an important component of a healthy diet. Which of the following statements is false concerning fiber?
a. Fiber is composed of ground tissue. b. Soluble fiber dissolves in water and is often used to thicken food products. c. Insoluble fiber such as wheat bran does not dissolve in water. d. Insoluble fiber may be particularly healthy, as it binds to cholesterol. e. Insoluble fiber causes undigested material to pass through the digestive system more rapidly.
The liver filters which of the following from the blood?
A) toxins B) chyme C) hepatocytes D) glycogen
If the complex protein assemblage of the prokaryotic flagellum arose by the same general processes as those of the complex eyes of molluscs (such as squids and octopi), then _____
A) natural selection cannot account for the rise of the prokaryotic flagellum B) ancestral versions of this protein assemblage were either less functional or had different functions than modern prokaryotic flagella C) neither eyes nor flagella could have arisen by evolution because both are too complex to have evolved D) the need for more complex structure must have driven evolution
The adrenal glands are part of the
a. endocrine system. b. respiratory system. c. immune system. d. emphatic system.