Cell Structure (Animals) Flashcards

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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?

A

Movement

19
Q

What process involves the nucleus?

A

Synthesis

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
Q

Where are the carbohydrates located in the cell membrane?

A

The outside

26
Q

Why is the cell membrane folded?

A

There is more surface area for molecules to come in and out of

27
Q

What are organelles?

A

Tine structures within the cytoplasm; each has a different job to do

28
Q

What are the processes carried out by the cell membrane?

A

Absorption, excretion, egestion and secretion