Osteoblasts deposit ________ on the collagen frame during the development of bone from cartilage
Fill in the blank(s) with correct word
calcium salts
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The cohesion-tension theory explains that water is moved upward in plants by means of ________
a. all of the choices b. hydrolysis of ATP fueling active transport c. positive pressure pushing from engorged roots d. tension from transpiration
Which of the following is NOT true of
polysaccharides? a. composed of many linked monosaccharides b. may be straight and unbranched or highly branched c. most likely made of glucose molecules if they are one of the natural polysaccharides d. may be insoluble because of their large size and structure e. are formed by cleavage reactions
Which habitat would most likely have the greatest species richness?
a. prairie b. savanna c. tundra d. temperate desert e. tropical rain forest
DNA is a self-replicating molecule. What accounts for this important property of DNA?
A. Replication is thermodynamically spontaneous and requires no enzymes. B. The nitrogenous bases of the double helix are paired in specific combinations: A with T and G with C. C. Its two strands are held together by easily broken covalent bonds.