7.4 Lecture Biology Flashcards

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1
Q

What is the cytoplasm and what does it do?

A

The environment enclosed by the plasma membrane is a semifluid material called cytoplasm.

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2
Q

What is the cytoskeleton?

A

The cytoskeleton is a supporting network of long, thin protein fibers that form a framework for the cell and proved an anchor for the organelles.

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3
Q

What does the nucleus contain?

A

Contains most of the cell’s DNA, which stores information used to make proteins that determine a cell’s growth, function, and reproduction

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4
Q

What is the mitochondria’s job.

A

Mitochondria convert fuel particles into usable energy.

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5
Q

How does the cell wall help maintain homeostasis?

A

The cell wall protects the cell and gives it structure which helps maintain homeostasis.

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6
Q

What do microtubules do besides help the structure of the cell?

A

Microtubules assist in moving substances within the cell.

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7
Q

What is the endoplasmic reticulum or (ER)?

A

The endoplasmic reticulum (ER) is a membrane system of folded sacs and interconnected channels that serves as the site for protein and lipid synthesis.

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