About 23% of the CO2 in the blood is transported as ________.
A. bicarbonate ions
B. carbaminohemoglobin
C. carbonic anhydrase
D. dissolved CO2 in the plasma
Answer: B
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Fibers that pass through the sympathetic chain ganglia without synapsing join to form a network called the ________
A) white ramus B) splanchnic nerves C) gray rami D) spinal nerves
Which of the following hormones are examples of gonadotropic hormones?
A) follicle-stimulating hormone (FSH) B) adrenocorticotropic hormone (ACTH) C) gonadotropic hormones D) thyrotropic hormone (TH) or thyroid-stimulating hormone (TSH) E) luteinizing hormone (LH)
Stressed cells will often limit their activity in a fail-safe system to prevent self-destruction. A possible example of this is that when the delicate capillaries in the lungs are stressed by high blood pressure, they will stop making an enzyme (angiotensin converting enzyme) that creates further increases in blood pressure. This process is called __________.
A)autophagy B)ubiquitinization C)apoptosis D)programmed cell death
The acrosome contains enzymes used to ________.
A. penetrate the vagina B. dissolve the mucosa of the vagina C. penetrate barriers surrounding the ovum D. dissolve the stickiness of the semen E. dissolve the mucosa of the uterus