Which statement is true?
a. A cell placed in an isotonic solution will swell.
b. A cell placed in a hypotonic solution will swell.
c. A cell placed in a hypotonic solution will shrink.
d. A cell placed in a hypertonic solution will
remain the same size.
e. A cell placed in a hypotonic solution will remain
the same size.
Answer: b
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New technology has made it possible to screen an individual's entire genome, instead of testing for one genetic disorder at a time. This technology uses ____________________ that carry DNA from the entire human genome
Fill in the blank(s) with correct word
Microphthalmia is a condition that causes chickens to have very small eyes, but it only appears in hens. The condition is autosomal recessive. Microphthalmia is sex-influenced and not sex-limited because
A) it is recessive in males and dominant in females. B) sex-influenced traits affect structures or functions that are present only in males or only in females. C) it is not transmitted on a sex chromosome. D) sex-limited traits affect structures or functions that are present only in males or only in females.
The pancreatic hormone ________ reduces levels of glucose in the blood by increasing glucose absorption by certain body cells.
A. somatostatin B. glucagon C. insulin D. glycogen
The most abundant molecule in the cell is:
A) carbohydrate. B) lipid. C) nucleic acid. D) water. E) protein.