AP Bio - 3rd Six Weeks Exam 24-25 - 17 Dec 24

AP Bio - 3rd Six Weeks Exam 24-25 - 17 Dec 24

Assessment

Flashcard

Biology

12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is transcription in the context of molecular biology?

Back

Transcription is the process by which the information in a DNA sequence is copied into a complementary RNA sequence, specifically mRNA.

2.

FLASHCARD QUESTION

Front

Define heterochromatin.

Back

Heterochromatin is a tightly packed form of DNA, also known as condensed DNA, which is generally transcriptionally inactive.

3.

FLASHCARD QUESTION

Front

What is mismatch repair in DNA replication?

Back

Mismatch repair is a form of DNA repair in which non-complementary nucleotides are recognized, excised, and replaced with correct nucleotides.

4.

FLASHCARD QUESTION

Front

True or False: Enzymes are involved in DNA replication, and helicase unwinds mRNA strands.

Back

False. Helicase unwinds DNA strands, not mRNA.

5.

FLASHCARD QUESTION

Front

What role does ligase play in DNA replication?

Back

Ligase is an enzyme that joins DNA fragments on the lagging strand during DNA replication.

6.

FLASHCARD QUESTION

Front

What is the primary function of RNA polymerase?

Back

RNA polymerase is the enzyme responsible for synthesizing RNA from a DNA template during transcription.

7.

FLASHCARD QUESTION

Front

Explain the difference between DNA and RNA.

Back

DNA is double-stranded and contains deoxyribose sugar, while RNA is single-stranded and contains ribose sugar.

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