In the human circulatory system, blood flows through the following structures in which order? (1) vena cava, (2) left ventricle, (3) pulmonary vein, (4) right atrium, (5) aorta, (6) pulmonary capillaries
a. 1 - 4 - 6 - 3 - 2 - 5
b. 1 - 5 - 3 - 6 - 2 - 4
c. 1 - 2 - 6 - 3 - 4 - 5
d. 1 - 4 - 3 - 6 - 2 - 5
e. 1 - 2 - 3 - 6 - 4 - 5
Answer: a. 1 - 4 - 6 - 3 - 2 - 5
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only blue flowers are produced. Plants with red flowers crossed with plants with red flowers sometimes produce only red flowers, although other times they produce either red or blue flowers. When plants with red flowers are crossed with plants with blue flowers, sometimes only red flowers are produced; other times either red or blue flowers are produced. Which gene is dominant? What will be an ideal response?
The occurrence of an action potential can best be
compared to a a. switch to turn a lamp on and off. b. volume control on a stereo. c. door to a classroom. d. room light-dimmer switch. e. desk drawer opening and closing.
Which of the following best describes why the disks rose to the surface faster in the more concentrated hydrogen peroxide solutions?
a. There was more enzyme present in the more concentrated solutions. b. A greater amount of heat was generated in the more concentrated solutions. c. The more concentrated solutions lowered the activation energy of the reaction. d. The higher substrate concentrations in the more concentrated solutions speeded the reaction. e. The density of the water was lower in the more concentrated solutions.
ATP is produced in conjunction with electron transport using a specific process. What is this process called?
A) dehydration synthesis B) Calvin cycle C) anabolism D) chemiosmosis