Cells that primarily produce steroid hormones, such as testosterone and estrogen, have large quantities of
A) enzymes.
B) DNA.
C) cytoplasmic ribosomes.
D) smooth endoplasmic reticulum.
E) plasma membranes.
D
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Despite evidence to the contrary, many scientists during the mid-twentieth century remained convinced that ____________________ were the carrier of genetic information
Fill in the blank(s) with correct word
In Drosophila, what is the order of function of the segmentation genes?
What will be an ideal response?
A cell that lacks the ability to make DNA repair enzymes will
A) be unable to replicate its DNA. B) replicate its DNA as rapidly as a normal cell, but the resulting DNA will have more errors in it. C) replicate its DNA as well as a cell with intact repair enzymes. D) be able to correctly replicate its DNA, but it will need more time to do so.
A microbiologist inoculates a flask of broth with 1 ml of 100 bacterial cells/ml. The generation time of the species is 1 hour, and there is no lag phase. How long will it be before the culture contains more than 6,000 cells/ml?
A) 12 hours B) 6 hours C) 2 hours D) 4 hours E) 10 hours