Cell Biology: Cell Structure and Organelles
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Questions and Answers

Prokaryotic cells contain a nucleus and other organelles that are bound by membranes.

False

The cell membrane controls which substances can enter or leave the cell.

True

Chloroplasts are found in plant and animal cells where photosynthesis occurs.

False

Plasmids are rings of DNA capable of replicating themselves and are commonly found in humans.

<p>False</p> Signup and view all the answers

Cellulose is a component of the cell membrane.

<p>False</p> Signup and view all the answers

Sexual reproduction involves two parents that combine their genetic material to produce a new organism that is identical to both parents.

<p>False</p> Signup and view all the answers

What is the primary function of the nucleus in a cell?

<p>The primary function of the nucleus is to contain DNA and RNA and be responsible for growth and reproduction.</p> Signup and view all the answers

What is the role of the cell membrane in a cell?

<p>The cell membrane controls which substances can enter or leave the cell.</p> Signup and view all the answers

Where does photosynthesis occur in plant and algae cells?

<p>Photosynthesis occurs in chloroplasts.</p> Signup and view all the answers

What is the main component of the rigid structure that surrounds the cell membrane?

<p>The main component is cellulose.</p> Signup and view all the answers

What is the characteristic that defines organisms composed of many cells?

<p>They are composed of multiple cells, such as tissues and humans.</p> Signup and view all the answers

What is the outcome of sexual reproduction in terms of the offspring's genetic material?

<p>The offspring produced by sexual reproduction differs genetically from both parents.</p> Signup and view all the answers

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