Biology Midterm Study Guide (Units 4-6)

Biology Midterm Study Guide (Units 4-6)

Assessment

Flashcard

Biology

KG - Professional Development

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is crossing over during meiosis?

Back

Crossing over is the process where homologous chromosomes exchange segments of genetic material during meiosis, leading to genetic variation.

2.

FLASHCARD QUESTION

Front

What are DNA helicases?

Back

DNA helicases are enzymes that unwind and unzip the double helix structure of DNA during replication.

3.

FLASHCARD QUESTION

Front

What are the types of mutations?

Back

The main types of mutations are insertions, deletions, and substitutions.

4.

FLASHCARD QUESTION

Front

What is the purpose of chitin and cellulose?

Back

Chitin and cellulose serve structural purposes in organisms, providing support and protection.

5.

FLASHCARD QUESTION

Front

What did Rosalind Franklin's x-ray photograph reveal?

Back

It revealed the double-helix structure of DNA, which is crucial for understanding its function.

6.

FLASHCARD QUESTION

Front

What is the role of DNA in protein synthesis?

Back

DNA contains the instructions for building proteins, which are essential for the structure and function of cells.

7.

FLASHCARD QUESTION

Front

What is a mutation?

Back

A mutation is a change in the DNA sequence that can lead to variations in traits.

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