Cytoplasm Flashcards

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0
Q

What are the structures of the microtubules and microfiliments?

A

The microtubules are long hollow rods and the microfiliments are thin rods made of the protein actin.

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1
Q

What are the two parts of the Cytoskeleton?

A

The microtubules and the microfiliments.

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2
Q

What are the two main types of cells?

A

Prokaryotes and eukaryotes.

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3
Q

What is a eukaryote compared to a prokaryote?

A

A eukaryote has a nucleus.

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4
Q

What are the two main parts of cytoplasm?

A

The organelles and cytosol.

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5
Q

What’s the name of the barrier that separates the nucleus from the cytosol?

A

Nuclear envelope.

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6
Q

The DNA itself is wrapped around what two things?

A

Proteins known as histones entangled in a fibrous network called chromatin.

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7
Q

The nucleus also homes this dark spot that manufactures ribosomes.

A

Nucleolus

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8
Q

Ribosomes function?

A

Manufactures proteins.

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9
Q

The ribosomes can be located…

A

On the outside of the endoplasmic reticulum or freely in the cytoplasm.

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10
Q

All ribosomes have two unequal subunits:

A

Proteins and RNA.

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11
Q

Mitochondria serves what purpose?

A

Produces energy through a process called respiration.

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12
Q

Mitochondria has how many membranes?

A

Two.

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13
Q

What are the folds within mitochondria called?

A

Cristae.

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14
Q

Where does the chemical reaction of respiration take place in mitochondria?

A

The region formed by the Cristae called the mitochondrial matrix.

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15
Q

Endoplasmic reticulum serves what purpose?

A

Produce proteins.

16
Q

Proteins manufactured by the endoplasmic reticulum is transferred to what part of the cell?

A

The Golgi apparatus, where they will be exported from the cell.

17
Q

What are the two types of endoplasmic reticulum?

A

Smooth and rough.

18
Q

What makes endoplasmic reticulum rough?

A

Ribosomes.

19
Q

The smooth endoplasmic reticulum serves what purpose?

A

Moves proteins around the cell and then packages them in to vesicles to be transported to the Golgi apparatus. Also functions in the synthesis of fat and lipids.

20
Q

The Golgi apparatus serves what purpose?

A

Packages proteins to be exported from the cell.

21
Q

Proteins enter the Golgi apparatus from…

A

The endoplasmic reticulum and proceed through the stacks where they are modified and stored before secretion.

22
Q

When proteins of the Golgi apparatus are ready for export…

A

Pieces of the Golgi bud off forming vesicles that send them to the cell membrane.

23
Q

Lysosomes are…

A

Packages of acidic enzymes that digest compounds and cellular components that the cell no longer needs.

24
Q

Plant cell organelles include:

A

Chloroplasts, vacuoles, and cell walls.

25
Q

Chloroplasts are:

A

The organelle in which photosynthesis takes place.

26
Q

The green pigment that absorbs sunlight in chloroplasts is called…

A

Chlorophyll.

27
Q

Chloroplasts are built like what other organelle?

A

Mitochondria.

28
Q

Vacuoles are:

A

Large liquid filled containers in plants.

29
Q

Vacuoles can contain anything from…

A

Nutrients wastes and pigments

30
Q

The cell wall for plants is called…

A

Cellulose!