DNA. We have heard that we are a product of our DNA. But where is it? How do we "get" our DNA? It is passed to us, from our parents, but in what form? Review the diagram and then match the labels with the correct locations, A - G.
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Chromatid
Chromosome
DNA
Eukaryotic
cell
Gene
Nitrogenbases
nucleus
A.
B.
C.
D.
E.
F.
G.

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

Oak and maple trees, chipmunks, white-tail deer, and black bears emerging from hibernation are all organisms that may be found in which biome

1. an enzyme is considered a(n) because it speeds up a chemical reaction without being used up.2. in a catalyzed reaction, a reactant is often called a(n) . an enzyme is specific because the shape of its matches only particular reactants.4. an enzyme speeds up reactions by lowering the . the between an active site and its substrate often strains bonds and the reaction proceed.6. a( , which is often a vitamin, binds to an enzyme and plays a role in catalysis.7. high temperatures or changes in ph can an enzyme, causing it to lose its shape and biological activity.