In the body, filtration is important in moving ________
A) lymph fluid through lymph vessels
B) blood around the circulatory system
C) fluid and solutes out of the capillaries and into the kidney tubules
D) all of these
Answer: C
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Osteoblasts become osteocytes.
Answer the following statement true (T) or false (F)
Which of the following cells is part of the body's second line of defense?
a) Mucous cells b) Germ cells c) B and T Lymphocytes d) Natural killer cells e) None of these choices
Contractions can occur in striated muscle as long as Ca2+ is present in the cytosol. As cytosolic levels of free Ca2+decrease, so does the ability for myosin to form cross-bridges with actin
This leads to relaxation of the muscle. You have found a novel muscle and are trying to determine if its relaxation processes are regulated in a manner analogous to vertebrate striated muscle. Describe some of the features of Ca2+regulation that you would expect to see in this novel muscle. What will be an ideal response?
If oxygen was NOT available as the final electron acceptor in the electron transport chain, which cellular respiration product could not be made?
A) acetyl-CoA B) oxaloacetate C) carbon dioxide D) water