__________ are cells that synthesize bone, whereas

__________ break bone down. Fill in the blank(s) with the appropriate word(s).


Answer: Osteoblasts; osteoclasts

Biology & Microbiology

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The two macronutrients necessary for the production of ATP are

a. calcium and iron. b. calcium and phosphorus. c. phosphorus and nitrogen. d. phosphorus and potassium

Biology & Microbiology

A population’s ____ is the specific environment in which it lives

a. growth rate b. geographical range c. size d. habitat e. dynamics

Biology & Microbiology

Drugs like AZT, ddC, or ddI work against the AIDS virus because they

A) destroy viral proteins. B) look like hairpins to cause premature termination of viral mRNA. C) look like tRNAs and block viral translation. D) look like nitrogenous bases and block viral reverse transcriptase. E) prevent the virus from releasing its genome into the cytoplasm.

Biology & Microbiology

What is the term that describes the study of the relationship between living things and components of their environment?

a. zoology b. ecology c. herpetology d. analogy e. ichnology

Biology & Microbiology