At which one of the following checkpoints might the cell cycle be halted if all of the DNA has not yet been replicated?
A) G1
B) G2
C) M
D) T
E) S
B
Biology & Microbiology
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Obese people have a greater risk of four of the following. Which one is the exception?
a. type 1 diabetes b. colon cancer c. high blood pressure d. breast cancer e. heart disease
Biology & Microbiology
These are sometimes referred to as rough or smooth depending on the structure
a. Golgi bodies b. ribosomes c. mitochondria d. lysosomes e. endoplasmic reticula
Biology & Microbiology
Each of the following hormones is an amino acid derivative except
A) histamine. B) norepinephrine. C) prostaglandins. D) epinephrine. E) thyroxine.
Biology & Microbiology
A cell contains intermediate filaments, to which organism must the cell then belong?
a. to a unicellular organism b. to a multicellular organism c. to a protist d. to a bacterium
Biology & Microbiology