During alcohol fermentation, yeasts ferment
A) oxygen gas.
B) sugar.
C) chitin.
D) carbon dioxide.
E) complex carbohydrates.
B
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If you cross RrYy and RRyy pea plants, what percentage of the offspring will have round yellow peas? R = round, r = wrinkled, Y = yellow, y = green.
A. 25% B. 100% C. 0% D. 75% E. 50%
A woman who is herself a fraternal twin has what chance of giving birth to fraternal twins?
a. double b. triple c. quadruple d. one half the average e. about the same as the average
The structure of the virus in Figure 24-1 that is common to all viruses is:
a. 1.
b. 2.
c. 3.
d. 4.
e. 5.
Albumin is the large protein molecule found in egg white and blood plasma. Table salt dissociates into sodium and chloride ions. Urea is assembled in the liver. In a healthy person, what is the fate of the majority of these molecules as they pass through a nephron?
A. Albumin remains in the blood, salt ions move into the filtrate but most are reabsorbed, and the urea moves into the filtrate and is excreted in the urine. B. Albumin remains in the blood and salt ions and urea moved into the glomerular filtrate and excreted in the urine. C. All three move into the glomerular capsule but the salt ions are mostly reabsorbed. D. All three remain in the bloodstream. E. All three move into the glomerular capsule and are excreted in urine.