What is the total magnification of a chloroplast viewed with a 10x ocular lens and a 45x objective lens?
a. 4.5x
b. 10x
c. 45x
d. 100x
e. 450x
Ans: e. 450x
Biology & Microbiology
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What will be an ideal response?
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a. Cowper’s gland b. prostate c. ovaries d. greater vestibular glands
Biology & Microbiology
Formation of a retinoblastoma eye tumor requires:
A. A germinal mutation in one Rb allele B. A somatic mutation that turns on the Rb gene C. A germinal mutation in one Rb allele, then a somatic mutation in the other allele D. A germinal mutation in the dominant Rb allele E. Activation of the X-linked oncogene Rb
Biology & Microbiology
The mammalian trachea and esophagus both connect to the _____
A) stomach B) pharynx C) rectum D) epiglottis
Biology & Microbiology