Unit 5 Quiz 2

Write a sentence using two 2 key words correctly:

mutation gene cell cycle cancer apoptosis protein checkpoint DNA carcinogen mitosis

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A portion of a molecule is shown in the diagram.

Which statement best describes the main function of this type of molecule?

• It is a structural part of the cell wall.

• It stores energy for metabolic processes.

• It determines what traits may be inherited.

• It transports materials across the cell membrane.

Three structures are represented in the diagram.

What is the relationship between these three structures?

• DNA is made up of proteins that are synthesized in the cell.

• Protein is composed of DNA that is stored in the cell.

• DNA controls the production of protein in the cell.

• The cell is composed only of DNA and protein.

The diagram shown represents stages of a cellular process. Which is the correct sequence of these stages?

• A --> B --> C --> D

• B --> D --> C --> A

• C --> B --> D --> A

• D --> B --> A --> C

A man is exposed to large amounts of ultraviolet radiation while sunbathing at the beach. This exposure causes a genetic change in the DNA of

• his male and female children

• his male children, only

• all cells in his body

• his skin cells, only

Which statement is correct concerning hereditary information?

• A chromosome is composed of many genes.

• A gene is composed of many chromosomes.

• Each chromosome carries the same information.

• Each gene carries the same information.

In a cell, protein synthesis is the primary function of

• ribosome

• mitochondria

• chloroplasts

• vacuoles

A mutation in the original DNA sequence created the following mutant.

Original: ATGCGATCGCGTACAGTC

Mutant: AGGCGATCGCGTACAGTC

What kind of mutation is it?

Begin your answer with Since ....

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A mutation in the original DNA sequence created the following mutant.

Original: ATGCGATCGCGTACAGTC

Mutant: AGGCGATCGCGTACAGTC

Do you think this would affect the product of the gene? Why or why not?

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What is mitosis and why is it important?

Give two (2) examples of mitosis happening in a healthy organism.

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