Much of the coordination of vertebrate body functions via chemical signals is accomplished by the _____
A) respiratory system
B) endocrine system
C) integumentary system
D) excretory system
B
You might also like to view...
Which test is used to determine the susceptibility of a microorganism to an antimicrobial?
A. MIC B. MIB C. MLB D. Kirby-Bauer test
How does a gastric bypass lead to patient losing weight?
A. The small intestine is bypassed by the surgery so no absorption happens. B. The large intestine is bypassed by the surgery so no absorption happens. C. Gastric fluids are being added to the stomach to improve digestion. D. The stomach is reduced in size so patients eat less.
Jacob had just finished his lab work and went to the sink to wash his hands. He removed his watch, and added liquid soap to his hands. He then turned on the water and began to rub his hands together, lathering for 20 seconds and cleaning fronts and backs of hands, fingernails, and between his fingers. He then rinsed his hands in running water, dried his hands with paper towels, and used an additional paper towel to turn off the faucet. Which statement is correct?
Jacob wasted paper towels by using one to turn off the faucet. Jacob did everything correctly. Jacob should have washed his hands for at least a minute. Jacob should have wet his hands in running water before applying the soap.
In gel electrophoresis, DNA molecules move toward the ________ electrode because they have an overall ________ charge
A) negative; negative B) positive; positive C) negative; positive D) positive; negative E) negative and positive; neutral