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Biology- Blake > Organisation > Flashcards

Organisation Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Define a cell

A

A cell is the smallest unit of life. The basic structural and functional unit of all living organisms

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2
Q

Define a tissue

A

A group of specialised cells that work together to do a job

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3
Q

What are the three types of tissue

A

Muscular
Glandular
Epithedrial

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4
Q

What is the function of muscular tissue

A

Contracts to bring about movement

Lots of mitochondria

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5
Q

What is the function of glandular tissue

A

Releases hormones and enzymes

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6
Q

What is the function of epithedrial tissue

A

Covers and protects cells and organs

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7
Q

Define an organ

A

A structure within an organism made up of different types of tissue that carries out a particular function

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8
Q

Examples of organs

A 
Liver
Heart
Lungs
Appendix 
Stomach
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9
Q

Define an organ system

A

A group of organs working together to preform a particular function

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10
Q

Examples of organ systems

A

Digestive
Respiratory
Circulatory

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11
Q

Define an enzyme

A

A biological catalyst
They are proteins
Speed up chemical reactions

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12
Q

In what part of the cell are enzymes made

A

They are made in the ribosomes

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13
Q

What chemical reactions do they speed up

A

Respiration
Digestion
Photosynthesis

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14
Q

What is the lock and key theory

A

The active site MUST be COMPLEMENTARY to a substrate

Unless it fits it won’t work

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15
Q

What is a rate of a reaction

A

The rate of reactions is the speed at which a chemical reaction happens

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16
Q

How do you measure the rate of a reaction

A

The rate of a reactant is used up

OR

the rate of which a product is formed

17
Q

What is the equation for the rate of a reaction

A

Difference/Time

18
Q

Define digestion

A

The breakdown of large food molecules into smaller water soluble molecules

19
Q

What do digestive enzymes do

A

Helps break down food

20
Q

Where are digestive enzymes released

A

Through the glands

Secreted on the food travelling through the digestive system

21
Q

What are the 3 main digestive enzymes

A

Amylase

Protease

Lipase

22
Q

Where is amylase produced

A

Salivary glands

Pancreas

Small Intestine

23
Q

Define substrate

A

The substance which an enzyme acts on

24
Q

What does amylase break down

A

Starch

25
Q

What does broken down starch turn into

A

Glucose

26
Q

What is a use for broken down starch going into glucose

A

Used for respiration

27
Q

Where is protease produced

A

Stomach

Pancreas

Small Intestine

28
Q

What does protease break down

A

Protein

29
Q

What does broken down protein turn into

A

Amino Acids

30
Q

What is a use for broken down protein to turn into amino acids

A

Growth and repair

31
Q

Where is lipase produced

A

Pancreas

Small Intestine

32
Q

What does lipase break down

A

Fats

33
Q

What does broken down fats turn into

A

Fatty acids

Glysorol

34
Q

What are used fir broken down fats to turn into glycerol

A

New healthier fats for the cell membrane

35
Q

What is a carbohydrase

A

Breaks down carbs into sugar

36
Q

What is an example of a carbohydrase

A

Amylase

37
Q

What factors affect enzymes

A

pH

Temperature

38
Q

What does a low temperature do to a enzyme

A

Particles lack kinetic energy

Move slower

39
Q

What happens to an enzyme when the temperature is too hot

A

The active site denatures

Biology- Blake (6 decks)

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