When does the fetus achieve about 15 percent of its birth weight and start kicking?
A) at the start of organogenesis
B) in the third trimester
C) in the first trimester
D) in the second trimester
E) at the end of embryonic phase
Answer: D
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Filarial roundworms cause elephantiasis by
a. encysting in muscle tissue. b. promoting the growth of fatty tumors. c. obstructing lymphatic vessels. d. laying numerous eggs in the joints of their hosts.
The basic building block of DNA and RNA is a(n) ____
a. nitrogenous base b. sugar-phosphate backbone c. amino acid d. nucleotide e. ribose sug
The albumin fraction of serum separated by electrophoresis will contain most of the antibodies.
Answer the following statement true (T) or false (F)