Use the following to answer the questions below:
In each of the following multiple-choice questions, characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices:
-Statements: (1) In general, RNA molecules are much smaller than DNA molecules.
(2) Recombinant DNA molecules contain DNA segments from two different organisms.
(3) In DNA replication, the action of the enzyme DNA helicase causes the DNA double helix to unwind.

Question

Quizplus · Accepted Answer

(1) TRUE - RNA molecules are generally smaller than DNA molecules.
(2) TRUE - Recombinant DNA molecules are made by combining DNA segments from different organisms.
(3) TRUE - DNA helicase is an enzyme that unwinds the DNA double helix during DNA replication. Therefore, all three statements are true.

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