Cell Structure (Animals) Flashcards

1
Q

What are the three main structure of the cell?

A
  1. Nucleus
  2. Cell Membrane
  3. Cytoplasm
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2
Q

Nucleus

A

Control center of the cell

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3
Q

Cell membrane

A

Outer boundary of the cell

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4
Q

Cytoplasm

A

the jelly-like material between the nucleus and cell membrane

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5
Q

There are two categories of cells based on if they have or do not have a ______

A

Nucleus

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6
Q

eukaryotic cells

A

Have a nucleus and membrane bound organelles

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7
Q

prokaryotic cells

A

Do NOT have a nucleus or membrane bound organelles; They DO have DNA and ribosomes

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8
Q

What two things do eukaryotic and prokaryotic cells both have?

A

DNA and ribosomes

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9
Q

Where is DNA in eukaryotic cells?

A

Spread through the cytoplasm

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10
Q

What shape is the nucleus?

A

Spherical

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11
Q

Where is the nucleus located?

A

Near the center of the cell

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12
Q

Functions of the nucleus

A
  1. Controls all metabolic activity
  2. Plays a role in cell reproduction
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13
Q

Nuclear membrane

A

Surrounds the nucleus; semi or selectively permeable

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14
Q

Jelly-like material inside the nucleus

A

Nucleoplasm

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15
Q

Nucleolus

A

Tiny spherical structure near the center of the nucleus

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16
Q

Chromatin

A

Elongated DNA in the nucleus

17
Q

Cytoplasm

A

a colloid/jelly-like material

18
Q

What process involves cytoplasm?

19
Q

What process involves the nucleus?

20
Q

What is the structure of the cell or plasma membrane?

A

An outer and inner layer of phospholipids

21
Q

Where are the proteins located in the cell membrane?

A

The lipid bilayer

22
Q

What do the phospholipids prevent in the cell?

A

The cytoplasm being dissolved`

23
Q

What helps with the movement of molecules into and out of the cell?

A

The lipid bilayer in the cell membrane

24
Q

What is on the outside of the cell membrane producing energy?

A

Carbohydrates

25
Where are the carbohydrates located in the cell membrane?
The outside
26
Why is the cell membrane folded?
There is more surface area for molecules to come in and out of
27
What are organelles?
Tine structures within the cytoplasm; each has a different job to do
28
What are the processes carried out by the cell membrane?
Absorption, excretion, egestion and secretion