One of the challenges associated with eradicating cancer is its

A) simplicity.

B) heterogeneity.

C) homogeneity.

D) heterozygosity.


B) heterogeneity.

Biology & Microbiology

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. A network of protein filaments called ____ lines and reinforces the inner surface of the nuclear

envelope in animal cells.

a. actins b. chromatins c. lamins d. tubulins e. lamellae

Biology & Microbiology

Which of the following may contribute to pregnancy problems?

a. taking naps b. being active c. being over 30 d. having dietary deficiencies e. having limited protein intake

Biology & Microbiology

During muscle contractions,

a. the sarcomeres shorten. b. the actin filaments slide over the myosin filaments. c. the actin filaments move toward the middle of the sarcomere during contraction and away on relaxation. d. the muscle fibers thicken. e. all of these occur

Biology & Microbiology

Responsible scientists provide ____ to back up their statements

a. hypotheses b. predictions c. evidence d. controls e. problems

Biology & Microbiology