There is a direct correlation between the cell cycle checkpoints and concentrations of which types of proteins?

a. kinases
b. p53
c. cyclins
d. retinoblastoma proteins (Rb)


c. cyclins

Biology & Microbiology

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Which genes are expressed in Drosophila after pattern formation along the A/P axis has been successfully established?  

A.  totipotent genes B.  bicoid genes C.  segment polarity genes D.  gap genes E.  homeotic genes

Biology & Microbiology

What component of the cell is the site of polypeptide assembly?

a. nucleus b. mitochondria c. vesicles d. ribosome e. lysosome

Biology & Microbiology

ABO blood groups are an example of:

a. Multiple alleles and incomplete dominance. b. Multiple alleles and codominance. c. Incomplete dominance only. d. Codominance and incomplete dominance.

Biology & Microbiology

Biochemical tests are useful to microbiology because

A) they can be used to identify microbes. B) they can be used to detect metabolic end-products, intermediates, or particular enzymes. C) they can be used to identify potential pathogens in clinical samples. D) they can be used to identify microbes and to identify potential pathogens in clinical samples and they can be used to detect metabolic end-products, intermediates, or particular enzymes. E) they can be used to identify microbes and to identify potential pathogens in clinical samples.

Biology & Microbiology