Ap Bio

Ap Bio

Assessment

Flashcard

Biology

12th Grade

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

DNA is replicated using the _______________ model

Back

semiconservative model: This model suggests that each strand of the original DNA molecule serves as a template for the production of a complementary strand, resulting in two DNA molecules, each with one old and one new strand.

2.

FLASHCARD QUESTION

Front

What are repetitive sequences of DNA on the ends of chromosomes called?

Back

telomeres: These are repetitive nucleotide sequences (TTAGGG) that protect the ends of chromosomes from deterioration or fusion with neighboring chromosomes.

3.

FLASHCARD QUESTION

Front

Which enzyme removes the RNA primer and adds DNA nucleotides to fill in the gap?

Back

DNA polymerase I: This enzyme plays a crucial role in DNA replication by replacing RNA primers with DNA nucleotides.

4.

FLASHCARD QUESTION

Front

What are the correct base-pairing rules in DNA?

Back

A-T and G-C: Adenine pairs with Thymine, and Guanine pairs with Cytosine in the DNA double helix.

5.

FLASHCARD QUESTION

Front

What chemical adds base pairs to the growing DNA strand during replication?

Back

DNA polymerase: This enzyme synthesizes new DNA strands by adding nucleotides complementary to the template strand.

6.

FLASHCARD QUESTION

Front

What is the function of ligase in DNA replication?

Back

Ligase: This enzyme joins Okazaki fragments on the lagging strand, sealing nicks in the sugar-phosphate backbone.

7.

FLASHCARD QUESTION

Front

What is the role of primase in DNA replication?

Back

Primase: This enzyme synthesizes a short RNA primer that provides a starting point for DNA synthesis.

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