Excretion is a process in which ________ is (are) removed from the body.
A. feces
B. hormones
C. metabolic wastes
D. salt
E. water
Answer: C
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Of the ________ electrons released in Nitrosomonas europaea nitrification, ________ must return to AMO to continue ammonia oxidation, while ________ can be used either as reductants for biosynthesis or be donated to the electron transport chain to reduce the terminal electron acceptor, oxygen.
Fill in the blank(s) with the appropriate word(s).
Which taxon is not a member of the basal angiosperm group?
a. Ginkgo biloba b. Nymphaeales c. Austrobaileyales d. Amborella trichopoda e. Magnoliales
Refer to Figure 53-5. The survivorship curve for elephants would be represented by the curve labeled:
a. A
b. B
c. C
d. Either A or C. It would depend upon the species.
e. Elephant populations would be better represented by a curve falling between A and B.
Activation of the complement cascade __________.
A) reduces swelling in affected tissues B) prevents cleavage of complement proteins such as C3 and C5 C) can cause the infecting microbe to be killed by lysis D) can reduce inflammation E) typically reduces the ability of phagocytes to engulf microbes