Which cells of the pancreas produce glucagon?

a. alpha cells
b. beta cells
c. delta cells
d. F cells
e. gamma cells


A

Biology & Microbiology

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How is the rho protein triggered in rho-dependent termination of prokaryotic transcription?

a. Rho protein encounters a region rich in C-G nucleotides and a stable hairpin forms. b. Rho protein is triggered by the ?’ subunit of polymerase. c. A run of G nucleotides will stall polymerase and rho protein collides with it from behind. d. Upstream nucleotides in a pattern of TATAAT triggers the rho protein to bring polymerase to a halt.

Biology & Microbiology

Sickle cell anemia is caused by a missense mutation. Indicate whether the statement is true or false

Biology & Microbiology

The X and Y chromosomes ____

a. are responsible for autosomal recessive inheritance b. will lead to color-blindness in all carriers c. are found paired with all 22 autosomal chromosomes d. are responsible for albinism e. play major roles in determining the sex of an individual

Biology & Microbiology

During gametogenesis, what percentage of gametes would be aneuploid if the nondisjunction event occurs during meiosis I?

What will be an ideal response?

Biology & Microbiology