In a relaxed muscle, the protein ____________________ is blocking binding sites between the contractile proteins. Fill in the blank(s) with the appropriate word(s)


ANSWER: tropomyosin

Biology & Microbiology

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A laboratory in which Ebola virus is studied would be classified as a BSL-________ laboratory

A) 1 B) 2 C) 3 D) 4

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One of the advantages of chorionic villus sampling (CVS) over amniocentesis is that CVS

A) samples amniotic fluid. B) can never be lethal. C) poses lesser risk to the fetus. D) provides earlier results.

Biology & Microbiology

Hot flashes, insomnia and mood swings are characteristic of ____

a. menarche b. menopause c. gametogenesis d. menstruation e. ovulation

Biology & Microbiology

How many stages are there in the life cycle of a typical tapeworm?

a) Two b) Three c) Four d) Five

Biology & Microbiology