Which of the following would be considered a stressor?
A) Pounding heart rate B) Traffic tie-up on I-95 South
C) Sweaty armpits D) Having a new love interest
B
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Convert 333 g to mg.
A) 333,000 mg B) 333,000,000 mg C) 3330 mg D) 33,300 mg E) 3,330,000 mg
When comparing the T-cell receptor ?-chain locus with the immunoglobulin heavy-chain locus, all of the following are correct except
a. the T-cell receptor ? locus differs because it has embedded within its sequence another locus that encodes a different type of T-cell receptor chain b. both are encoded on chromosome 14 c. the T-cell receptor ?-chain locus does not contain D segments d. the T-cell receptor ?-chain locus contains more V and J regions e. the T-cell receptor ?-chain locus contains more C regions f. they both contain exons encoding a leader peptide.
The ability to repeatedly contract a muscle is known as muscle:
a. atrophy. b. fitness. c. strength. d. endurance.
Which statement best describes keratinocytes?
a. A protein found in connective tissue that promotes resiliency of the skin. b. A pigment that gives color to skin and hair. c. A fibrous protein that is the main support of bone, ligaments, cartilage, and tendons. d. Cells that make up the outer layer of the skin.