Which structures produce goosebumps?

A. cuticles
B. hair follicles
C. sudoriferous glands
D. arrector pili muscles
E. sebaceous glands


Answer: D

Biology & Microbiology

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Which of the following would occur from a mutation in the gene's promoter region?

A. The sequence of the mature mRNA would change. B. The ability of pre-mRNA to be properly spliced would change. C. The ability of mRNA to be translationally regulated would change. D. The amino acid sequence of the translated protein would be altered. E. The rate of transcription may increase or decrease.

Biology & Microbiology

In skeletal muscle contraction, which of the following must be moved to the grooves in the actin

double helix to uncover the crossbridge binding site?

a. troponin b. Ca2+ c. tropomyosin d. ATP e. acetylcholine

Biology & Microbiology

The disease characterized by a high blood glucose due to a deficiency of insulin production or failure of cells to respond to insulin is ____________ mellitus.

Fill in the blank(s) with the appropriate word.

Biology & Microbiology

What fraction of the genome contains genes that are essential for the survival of an organism, meaning that a homozygous null for them is lethal?

What will be an ideal response?

Biology & Microbiology