Biochemistry and Physiology Quiz 16

Statement 1: Sodium ($\text{Na}^{+}$) has a much higher intracellular concentration than extracellular concentration. Statement 2: Blood plasma makes up about 8% of total body water.

To synthesize cholesterol from alanine, what is the correct sequence of key metabolic intermediates?

Gastric emptying and motility is primarily regulated by which cranial nerve of the parasympathetic nervous system?

Statement 1: DNA polymerase synthesizes DNA from the lagging strand in the $5′ \to 3’$ direction. Statement 2: DNA polymerase synthesizes DNA from the leading strand in the $3′ \to 5’$ direction.

Which gland secretes prolactin, a hormone that promotes breast milk production?

According to the Frank-Starling mechanism, which factor is the most important determinant of cardiac output (CO)?

All of the following are NOT true of vitamin K EXCEPT:

Calcium is stored in an extensive network of channels throughout the cytoplasm of muscle cells called the:

G6PD deficiency causes hemolytic anemia due to a decrease in NADPH production in erythrocytes.

Bitter taste cells transmit taste stimuli by which mechanism?

Amino acids, along with glucose and proteins, are primarily reabsorbed in which segment of the nephron?

All of the following B vitamins are essential cofactors for enzymes functioning in the TCA cycle EXCEPT:

All of the following proteins/hormones are known to regulate bone remodeling (resorption or formation) EXCEPT:

All of the following are true of human mitochondrial DNA ($\text{mtDNA}$) EXCEPT:

Carbon dioxide ($\text{CO}_2$) is carried in blood primarily in what form(s)?

Under anaerobic conditions, how many net ATPs are produced per glucose molecule metabolized via glycolysis?

Which tissues have postganglionic sympathetic neurons that release acetylcholine (cholinergic) instead of norepinephrine (adrenergic)?

All of the following anatomic structures release hormones that will increase blood glucose levels EXCEPT:

Translation usually begins with which codon, which codes for methionine?

Sickle cell anemia is caused by which specific type of point mutation, resulting in valine replacing glutamate?