Unit 5 Quiz 2

Write a sentence using two 2 key words correctly:

mutation gene cell cycle cancer apoptosis protein checkpoint DNA carcinogen mitosis

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 ....

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?

What is mitosis and why is it important?

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