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Anatomy and Physiology > Cell Physiology > Flashcards

Cell Physiology Flashcards

1
Q

Sensors that detect change

A

Receptors

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2
Q

Receives information and sends out commands

A

Control Center

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3
Q

Responds to commands to modify the change

A

Effector

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4
Q

Desired “value” within the body

A

Set Point

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5
Q

The body’s way of counteracting a change ie. I’m hot, I’m cold, I’m hot

A

Negative feedback

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6
Q

Stimulus causes and increase/amplified response ie. tissue healing or childbirth

A

Positive feedback

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7
Q

What describes a structure made up of multiple cells?

A

Tissues

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8
Q

Houses genetic material

A

Nucleus

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9
Q

Produces ATP (energy)

A

Mitochondria

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10
Q

Aids in protein synthesis

A

Rough Endoplasmic Reticulum

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11
Q

Aids in lipid synthesis

A

Smooth Endoplasmic Reticulum

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12
Q

Makes proteins

A

Ribosome

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13
Q

Packaging center

A

Golgi apparatus

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14
Q

Break down fatty acids

A

Peroxisomes

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15
Q

Break down parts of the cell

A

Lysosomes

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16
Q

Consist of hydrophilic heads and hydrophobic tails

A

Lipids

17
Q

Dynamic structure with various embedded components

A

Fluid Mosaic Model

18
Q

Cell membrane controls whether or not something can pass through

A

Selective Permeability

19
Q

2 components required for passive membrane transport

A

Gradient and Permeability

20
Q

A substance ability to “spread out” from an area of higher concentration to lower concentration

A

Diffusion

21
Q

Movement of a subtense across a membrane without the use of energy

A

Passive Membrane Transport

22
Q

Diffusion of water

A

Osmosis

23
Q

For osmosis where will the water move

A

Towards higher concentration

24
Q

For osmosis what does the membrane need to be

A

Semipermeable

25
Q

For diffusion temperature

A

increased

26
Q

For diffusion solubility

A

increased

27
Q

For diffusion size of gradient

A

increased

28
Q

For diffusion distance substance travels

A

decreased

29
Q

For diffusion cross sectional area

A

increased

30
Q

For diffusion molecular weight

A

decreased

31
Q

Movement of a substance across a membrane with the help of a membrane protein

A

Facilitated Diffusion

32
Q

What is required for facilitated diffusion

A

a channel or a carrier protein

33
Q

Utilizes a carrier protein to transport substances, can carry substances against gradients, and CAN use ATP for energy

A

Active Membrane Transport

34
Q

Uses ATP to directly move substances

A

Primary Active Transport

35
Q

No direct ATP, but uses ion gradients to help move substances

A

Secondary Active Transport

36
Q

Substances are engulfed and brought into the cell

A

Endocytosis

37
Q

Substances are passed outward through cell membrane

A

Exocytosis

Anatomy and Physiology (4 decks)

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