Which of the following can undergo metabolic conversion to acetyl CoA and enter the citric acid cycle?
Glucose
Fatty acids
Protein
All of the choices are correct.
all of the choices are correct
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The basal lamina:
A. is a specialized extracellular matrix found beneath epithelial tissues. B. surrounds endothelial cells found in blood vessels. C. is a collagen-rich extracellular matrix D. links to epithelial cells through hemidesmosomes, which attach to intermediate filaments. E. All of these choices are correct.
Which of the following regarding bone growth is false?
A. Cartilage of growth plates actively grow in lengthwise direction. B. Increase in bone thickness results from the adding of bone layers on top of the periosteum. C. Some cartilage remains after it is replaced by bone. D. Cartilage calcification encroaches on the cartilaginous growth plate.
When blood glucose is low, __________ is secreted, which calls for the liver to break down glycogen. Fill in the blank(s) with the appropriate word(s)
The largest group of prokaryotes is the ________, which obtain both energy and carbon from ________
A) autotrophs; inorganic molecules B) chemoautotrophs; decaying organic material C) chemoheterotrophs; organic molecules D) photoautotrophs; light