science Flashcards

0
Q

Homeostasis

A

The process of maintaining equilibrium in the cells internal environment, a resistance to change

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1
Q

Diffusion

A

From high concentration to low concentration

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2
Q

Hydrophilic

A

Water loving

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3
Q

Hydrophobic

A

Water fearing

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4
Q

Hypertonic

A

The water leaves the cell

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5
Q

Hypotonic

A

The water is going in the cell

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6
Q

Isotonic

A

Equilibrium

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7
Q

Osmosis

A

Diffusion of water moving high to low

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8
Q

Solute

A

Substance being dissolved in another substance

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9
Q

Solvent

A

Substance that dissolves another substance

Ex: water

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10
Q

Passive transport

A

Does not require energy high to low

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11
Q

Active transport

A

Require energy low to high

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12
Q

What are the two types of passive transport?

A

Diffusion(small) and facilitated(big)

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13
Q

What is the difference between active and passive transport?

A

Active- energy

Passive- no energy

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14
Q

What does the phospholipid bilayer membrane look like and what are the parts?

A

Proteins and phospholipid

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15
Q

Exocytosis

A

Leaving the cell

16
Q

Endocytosis

A

Coming in the cell

17
Q

Equilibrium

A

Molecules moving until it’s even

18
Q

Facilitated diffusion

A

Pathway provided by transport protein that helps certain molecules pass through a membrane

19
Q

Selectively permeable membrane

A

Membrane that allows some substances pass more easily than other and blocks the passage of some substance altogether

20
Q

Cohesion

A

Same molecules that stick together

21
Q

Adhesion

A

Attract between unlike molecules

22
Q

Solution

A

Mixture of 2 things

23
Q

Polar molecules

A

Molecules in which opposite ends have opposite electric charges

24
Q

Hydrogen bonds

A

Bonds created by the weak attraction of a slightly positive hydrogen atom to a slightly negative portion of another molecule

25
Q

Organic molecules

A

Carbon based molecule

26
Q

Inorganic molecules

A

Non carbon based molecule

27
Q

Carbohydrates

A

Sugar molecules

28
Q

Lipid

A

One of a class of water avoiding compounds

Fat

29
Q

Protein

A

Polymer constructed from a set of 20 amino acids monomers

30
Q

Polypeptide

A

Chain of linked amino acids

31
Q

Hypothesis

A

Suggested and testable answer to a scientific question

32
Q

Variable

A

Any factor that can change

33
Q

Controlled experiment

A

Experiment that tests the effect of a single variable

34
Q

Membrane

A

Outside of the cell

35
Q

Independent

A

The one that changes

36
Q

Dependent variable

A

The thing that controls it