You inflate a balloon and let it go. It shoots away as air exits forcefully through the balloon's narrow opening. This most closely resembles the mode of movement seen in
A) sea anemones.
B) snails.
C) squid.
D) nematodes.
Answer: C
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__________ is the only disease to have been eradicated from causing natural infections. Fill in the blank(s) with the appropriate word(s)
In the accompanying figure, what is the function of the structure that is labeled as 7?
a. maintaining sperm below body temperature
b. storing of mature sperm
c. producing prostaglandins
d. producing nutritive fluid to support active sperm
e. producing alkaline fluid to protect sperm in the vagina
Which of the following is within the size range of a typical prokaryote?
A) A cell the size of the period at the end of a sentence B) A cell 2 micrometers in diameter C) A cell 700 micrometers long D) A cell 25 micrometers in diameter E) A cell 100 micrometers in diameter
Sulfonamides & trimethoprim act through which of the following mechanisms?
A. Inhibition of Protein Synthesis B. Inhibition of nucleotide synthesis C. Inhibition of DNA synthesis D. Disruption of Cell Wall E. Inhibition of mRNA synthesis