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What is the name of the process in which an atom loses or gains electrons to form an ion?

Ionization

Oxidation

Reduction

Isotopic decay.

Answer and Explanation

The Correct Answer is A

Ionization is the process in which an atom loses or gains electrons to form an ion.

An ion is an atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.

Choice B is not the best answer because oxidation refers to the loss of electrons from an atom or molecule.

Choice C is not the best answer because reduction refers to the gain of electrons by an atom or molecule.

Choice D is not the best answer because isotopic decay refers to the process in which an unstable atomic nucleus loses energy by emitting radiation.

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Correct Answer is C

Explanation

A substitution mutation is a type of point mutation where one base in the DNA sequence is replaced by another base.

Choice A is incorrect because a deletion mutation occurs when one or more bases are removed from the DNA sequence.

Choice B is incorrect because an insertion mutation occurs when one or more bases are added to the DNA sequence.

Choice D is incorrect because an inversion mutation occurs when a segment of DNA is reversed within the chromosome.

A. Complementary strand of a DNA sequence. B. Replication fork formation. C. Transcription initiation. D. Okazaki fragment synthesis.

Correct Answer is C

Explanation

Transcription initiation is the term used to describe the process of synthesizing RNA from a DNA template strand.

Choice A is incorrect because a complementary strand of a DNA sequence refers to the strand that is complementary to the original DNA strand.

Choice B is incorrect because replication fork formation refers to the process of separating the two strands of DNA during replication.

Choice D is incorrect because Okazaki fragment synthesis refers to the synthesis of short fragments of DNA on the lagging strand during replication.

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What is the name of the process in which an atom loses or gains electrons to form an ion?

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Naxlex Comprehensive Predictor Exams

A nurse is reviewing the results of a patient’s DNA sequencing test, which was performed to diagnose a genetic disorder. The nurse notices that the patient has a mutation in one of the bases of the DNA. Which of the following is the correct term for this type of mutation?

Correct Answer is C

Explanation

Which of the following is the term used to describe the process of synthesizing RNA from a DNA template strand?

Correct Answer is C

Explanation

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