The explanation for the differences between a cell from the human liver and a cell from the skin is the
a. maternal origins of the cell types.
b. gene content of the two cells.
c. expression of the genes in the two cells.
d. fact that they are in different parts of the body.
e. paternal origins of the cell types.
C
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The current rate of extinctions is about ____ times faster than normal
a. 10 b. 100 c. 1000 d. 100,000 e. 1,000,000
Which is true of the cells of a choanoflagellate colony?
a. each cell is genetically unique b. each cell is genetically identical c. each cell has a different chromosome number d. each cell performs the same function as the other cells e. each cell has the ability to switch their sex from male to female and back again
Colon cancer is the second most common type of cancer in the United States, second only to
1.lung cancer. 2.breast cancer. 3.skin cancer. 4.prostate cancer. 5.uterine cancer.
During the luteal phase, a __________ forms from cells that surrounded the egg. Fill in the blank(s) with the appropriate word(s)