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1. Skin cells-
a. become quiescent quickly
b. continually replicate
c. become senescent quickly***
d. have terminally differentiated
2.Which cell type undergoes terminal differentiation?
a. stem cells
b. hair cells
c. epithelial cells
d. heart cells***
3.DNA replicates in the-
a. endoplasmic reticulum
b. cytoplasm
c. nucleus***
d. cell membrane
4.Which of the following might affect gene expression in a complex organism?
a. the types of cells near the site***
b. the ability to reverse terminal differentiation
c. the number of chromosomes being copied
d. the amount of time a cell takes to replicate DNA
5.What replicates during mitosis?
a. proteins
b. cells***
c. cytoplasm
d. organelles
(i took the quick check for connexus and these were right)
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