What is the fate of the extra X chromosome in females?
a. Both X chromosomes are maintained normally.
b. The extra X chromosome is degraded after each cell division.
c. The extra X chromosome condenses.
d. The extra X chromosome duplicates.
e. The extra X chromosome is deleted after fertilization and is not present in the remainder of cells in the body.
c
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What might be the best treatment for bladder cancer?
a. radiation therapy b. surgery c. chemotherapy d. gene therapy
The antimicrobial action of artemisinin is not well understood but this chemical appears to ________.
A. form reactive oxygen intermediates inside Plasmodium-infected red blood cells B. raise the internal pH, clump the plasmodial pigment, and intercalate into plasmodial DNA C. swell the Plasmodium falciparum food vacuoles D. inhibit heme polymerase, an enzyme that converts toxic heme into nontoxic hemazoin
The release of an egg from an ovary is called ________
A) oogenesis B) gametogenesis C) ovulation D) menstruation
Humans are able to synthesize all the vitamins they need
Indicate whether the statement is true or false