Which of these is an organ of the urinary system?
a. Prostate gland
b. uterus,
c. rectum,
d. kidney
Answer: d. kidney
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Based on the data in Table 18-1, which of the following primates has the most recent common ancestor with humans?
a. rhesus monkey b. gibbon c. tarsier d. gorilla e. orangutan
During the embryonic stage, a hollow ball of cells is known as a
A) morula. B) larva. C) blastula. D) gastrula. E) chorion.
Human DNA and chimpanzee DNA differ by
A) about 1%. B) about 3%. C) more than 10%. D) the same amount that human DNA differs from orangutan DNA.
Please select the methods that can be used to visualize or detect antigen-antibody reactions.
> Disk diffusion tests > Agglutination/precipitation tests > Kirby-Bauer susceptibility tests > Culture tests > ELISA > Western Blot analysis