The health effects of X-rays on a fetus depend on the amount of ____________________ and the

____________________ of the fetus Fill in the blank(s) with the appropriate word(s).


radiation; age

Biology & Microbiology

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Why have humans experienced cultural evolution, while other species of primates have not?

a. Humans have greater intelligence than other primates. b. Humans have a higher level of social organization. c. Humans live longer than other primates. d. Humans are unable to escape predators like other primates. e. Humans are physically stronger than most primates

Biology & Microbiology

What is the channel protein

What will be an ideal response?

Biology & Microbiology

Enzymes that cleave DNA at specific sites are called ________.

A. restriction endonucleases B. DNAses C. peptidases D. vectors

Biology & Microbiology

Heterotrophs must obtain organic molecules that have been synthesized by

A. autotrophs. B. bacteria. C. biogeochemical cycles. D. decomposers.

Biology & Microbiology