The Enzyme That Copies DNA Makes a Mistake Approximately Every

question 147

Multiple Choice

The enzyme that copies DNA makes a mistake approximately every 10,000 to 100,000 bases.Surprisingly,however,if we examine newly copied DNA,we see that the actual error rate is lower than this.How is that possible?

• A) The bases are self-correcting;the DNA will fix any errors as it is copied.
• B) The cell is immediately killed if it contains a mistake in its DNA.
• C) There are other enzymes that find errors in DNA and repair them.
• D) All of the above.
• E) None of the above.

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Definitions:

Algorithmic

Pertaining to or using a set of rules to be followed in calculations or other problem-solving operations, especially by a computer.

Heuristic

A shortcut (rule of thumb or informal guideline) used to reduce the amount of thinking that is needed to make decisions.

Informal Reasoning

The process of thinking about issues in a non-formal or structured manner, often used in everyday problem-solving and decision-making.

Schemas

Cognitive frameworks or concepts that help individuals organize and interpret information from the world around them, influencing learning and perception.