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Biology > Module 7 > Flashcards

Module 7 Flashcards

1
Q

Cell membrane is also known as…

A

Plasma membrane

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2
Q

One of the essential structures common to all cell types

A

Cell/plasma membrane

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3
Q

Acts as a barrier that separates the cytoplasm from the cell’s outer surroundings

A

Cell membrane

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4
Q

Cell membrane separates the cell’s outer surroundings from…

A

Cytoplasm

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5
Q

Property of cell membrane that allows it to regulates what molecules will enter or leave the cell as needed

A

(It being) selectively permeable

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6
Q

Receives and responds to external stimuli

A

Cell membrane

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7
Q

The cell membrane is made up of four different molecules which are…

A

Phospholipid, proteins, cholesterol, and carbohydrates

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8
Q

The cell membrane is composed of…

A

Phospholipid bilayer

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9
Q

A two-layer of phospholipid oriented in opposite directions

A

Phospholipid bilayer

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10
Q

A phospholipid molecule is made up of…

A

Glycerol molecule bonded to a phosphate “head” group and two fatty-acid “tails”

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11
Q

What is the bond of the phosphate head end?

A

Polar covalent bond

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12
Q

This word means attracted to water molecules

A

Hydrophillic

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13
Q

This word means water-dreading or water-repelling

A

Hydrophobic

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14
Q

This part of the phospholipid bilayer is hydrophillic

A

Phosphate head end

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15
Q

This part of the phospholipid bilayer is hydrophobic

A

Tail end

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16
Q

The tail end is made up of…

A

Two chains of fatty acids

17
Q

It means containing both hydrophilic and hydrophobic parts.

A

Amphiphilic/amphipathic

18
Q

This part of the phospholipid bilayer is left hidden in the middle

A

Tail end

19
Q

This part of the phospholipid bilayer faces the intracellular fluid on one layer and the extracellular on the other

A

Phosphate head group

20
Q

This specific property of the cell membrane allows only certain substances to pass through it

A

Selective permeability

21
Q

Can O2 and CO2 go into the cell? - Lesson on cell membrane

A

Yes

22
Q

Can glucose go into the cell? - Lesson on cell membrane

A

No

23
Q

Can small non-polar molecules go into the cell? - Lesson on cell membrane

A

Yes

24
Q

Can large polar molecules go into the cell?

A

No

25
Q

The cell membrane is also called the (1) — membrane and is made up of a phospholipid (2) —.

A
  1. plasma; 2. bilayer
26
Q

The head of a phospholipid is made up of an (1) — and (2) — group.

A
  1. alcohol; 2. phosphate
27
Q

The tails of a phospholipid are made up of chains of?

A

Fatty acid/lipids

28
Q

Phospholipids can move in what manner?

A

Sideways

29
Q

Head portion of the phospholipid

A

Phosphate

Biology (3 decks)

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