Which of the following can best be considered a biological system?
a. a pond
b. the biosphere
c. a single liver cell
d. all of the listed responses are correct
Answer: d. all of the listed responses are correct
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Because it secretes substances into ducts that connect to the duodenum, the pancreas acts as an ____ gland of the digestive system
Fill in the blank with the appropriate word.
Which compound has the highest free energy and produces the most ATP when oxidized?
A. acetyl CoA B. glucose C. pyruvate D. carbon E. both pyruvate and carbon
Which genus of bacteria causes more diseases in humans than any other?
What will be an ideal response?
As Schwann cells wrap around axons, their cytoplasm is pushed to the periphery and is called the __________
Fill in the blank(s) with the appropriate word(s).