When a cell contains enough water that the plasma membrane presses tightly against the cell wall, it is said to be ____
a. palsmolytic
b. tight
c. wilted
d. full
e. turgid
ANSWER: e
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Chorionic villus sampling reveals a fetus has the karyotype 47, XYY. What is the diagnosis?
A) Normal female B) Klinefelter syndrome C) Edward syndrome D) Jacobs syndrome
A mutation affecting which of the numbered enzymes in this protein metabolism pathway results in PKU? (refer to figure on previous slide)
1.1
2.2
3.3
4.4
5.5
6.6
Hypophosphatemia (vitamin D—resistant rickets) is inherited as a sex-linked dominant trait. The relevant gene is found on the X chromosome
What is the expected outcome of a cross between a homozygous recessive woman and a man with hypophosphatemia? A) All of their daughters and none of their sons exhibit hypophosphatemia. B) Fifty percent of their daughters and fifty percent of their sons exhibit hypophosphatemia. C) All of their sons and none of their daughters exhibit hypophosphatemia. D) Twenty-five percent of their offspring exhibit hypophosphatemia.
Which part of the ATP molecule breaks free of the rest when an ATP molecule releases energy?
A) part A
B) part B
C) part C
D) part D