Osteoporosis is a condition characterized by

a. excessive build up of bone calcium deposits.
b. hardening of the arteries in the bone.
c. loss of bone mass.
d. excessive rigidity of some bones.
e. curvature of the spine.


C

Biology & Microbiology

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The striated muscles in most invertebrates have thick and thin filaments arranged in sarcomeres entirely similar to

those of vertebrates.

Indicate whether the statement is true or false.

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If a membrane is impermeable to water, the pressure measured by the osmometer will remain constant

a. True b. False

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Assume that four polygenic gene pairs are involved in determining phenotypes of F2. How many phenotypic classes are expected?

What will be an ideal response?

Biology & Microbiology

The sense of touch 

A. is evenly distributed over the surface of the body. B. consists of very few receptor cells in very specific places, like the tips of the fingers. C. is relatively unimportant. D. includes pressure, temperature, and pain receptors.

Biology & Microbiology