Why do macromolecules differ in the amount of energy they contain?

Which of these statements is not correct about enzymes? 1. enzymes lower the potential energy for the reactions they catalyze. 2. enzymes have specific substrates and optimal conditions. 3. enzymes are mostly proteins that function as catalysts. 4.

Food webs and food chains are two different ways that ecologists illustrate the interrelatedness of organisms in an ecosystem. What is the relationship between a food web and food chain?

What property of dna makes it possible for a probe to find a single-stranded dna target gene?

In decomposition, how are other parts of the ecosystem affected?

Which of the following statements is FALSE? Which of the following statements is FALSE? The pubic arch is broader in the pelvis of a female than in the pelvis of a male. The female pelvis is tilted further forward than the male pelvis.

You are watching a televised debate on evolution. One of the participants repeatedly states that evolution is a "scientific theory," and as such is unsupported by any evidence. What is wrong with this statement?

Select all that apply. Select the major grains produced worldwide. corn rice sugar cane sugar beets wheat

The by products of cellular respiration includes

Why do scientists only test one variable at a time

The mutagens that result in cancer damage DNA by (a) destroying the cells p53 gene directly thereby increasing cell production (b) weakening the DNA strand or interfering with base pairing (c) altering the cells pH and allowing increased cell