After an animal has a hemorrhage, where does the fluid portion of blood come from, as blood volume is restored?
A. Intestines
B. Bone marrow
C. Stomach
D. Cerebrospinal fluid
E. Interstitial fluid
Answer: E
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Glycogen is used as a major carbon and energy reserve by some archaeons.
Answer the following statement true (T) or false (F)
Rabbit muscle myosin will bind to actin from an amoeba. How can this be?
A. The myosin from amoeba and rabbits is similar due to a distant common ancestor. B. The differences in myosin between amoeba and rabbits are not seen in the actin binding site of myosin. C. Proteins are more likely to change in nonfunctional areas. D. The myosin from amoeba and rabbits is similar due to a distant common ancestor, and the differences between them are not seen in the actin binding site. E. All of the answer options are all correct.
A pinniped is observed as lacking external ears, and it appears to propel through the water using its hind flippers only. What kind of pinniped might this be?
a. Phocids b. Sirenia c. Eared seals d. Walruses
A gene that is knocked out is _____
a. deleted b. inactivated c. expressed d. deleted or inactivated