Which cell type is most often used in karyotyping?

a. bone
b. nerve
c. epithelial
d. blood
e. cartilage


ANSWER: d

Biology & Microbiology

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Sex differences in body growth are mediated by changes in growth hormone, insulin-like growth factor I and

A. thyroid hormone. B. estradiol and testosterone. C. prolactin. D. progesterone. E. cortisol.

Biology & Microbiology

The technique of transferring proteins from SDS-PAGE gels onto a membrane and using labeled antibodies to identify particular proteins is known as ________

Fill in the blank with correct word.

Biology & Microbiology

An example of a unicellular fungus is:

a. a mold. b. a mushroom. c. a yeast. d. a rust. e. a smut.

Biology & Microbiology

Which of the following structural characteristics is not normally observed in a DNA duplex?

(a) purine–pyrimidine pairs (b) external sugar–phosphate backbone (c) uniform left-handed twist (d) antiparallel strands

Biology & Microbiology