After cell division, some cells become differentiated. This means that they
A. become different shapes.
B. become different sizes.
C. perform different functions.
D. become different in all these ways.
D. become different in all these ways.
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The ribosome-binding site of prokaryotes is also known as the _____
A) TATA box B) promoter C) Shine-Dalgarno sequence D) Pribnow box
What hormone stimulates milk production in women after birth?
a. prolactin b. oxytocin c. estrogen d. HCG e. progesterone
Which organism produces oocysts that release sporozoites into the intestine and is life-threatening in AIDS patients?
a) Entamoeba histolytica b) Giardia intestinalis c) Toxoplasma gondii d) Cryptosporidium parvum
Joan wants to discover a microbe capable of degrading an environmental contaminant. Which of the following culturing methods would be most effective for isolation of such an organism?
A) cell culture B) chemostat C) quorum sensing D) enrichment culture E) differential culture