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Biology Questions And Vocab > Chemical Reactions And Enzymes > Flashcards

Chemical Reactions And Enzymes Flashcards

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AP® Biology flashcards Biology 101 flashcards
0
Q

Chemical reactions that happen spontaneously, or on their own _____ energy.

A

Release

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1
Q

Chemical reactions in our bodies help us grow, reproduce, and _____.

A

Move

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2
Q

What is activation energy?

A

Energy that is needed to start a chemical reaction

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3
Q

What is a catalyst?

A

An enzyme that lowers activation energy

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4
Q

Chemical reaction that absorbs energy _____ a source of energy.

A

Needs

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5
Q

How does a catalyst speed up a chemical reaction?

A

Lowers activation energy

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6
Q

What is an enzyme?

A

A protein that speeds up a chemical reaction

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7
Q

The substrate bonds to a site on the enzyme called ____ ____

A

Activation site

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8
Q

Name one variable that can effect an enzyme:

A

Temperature

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9
Q

What is transpiration?

A

Water evaporates through leaves, stems, and or flowers

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10
Q

What is specific heat?

A

The amount of energy needed to raise or lower the temperature by 1°c

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11
Q

Why is sand hot and the water cool at the beach?

A

Higher specific heat

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12
Q

pH is a measure of the concentration of a ______________ in a solution

A

Hydrogen-ion

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13
Q

The more ___ ions the more basic

A

OH

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14
Q

Enzymes are complex molecules that are made of amino acids and belong to what group?

A

Proteins

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15
Q

What macromolecule group are part of animal tissue for insulation?

A

Lipids

16
Q

The three parts of a nucleotide are?

A

5 carbon sugar, nitrogen base, and phosphate

17
Q

What is cellulose and where is it used?

A

It is sugar and gives support to cell wall

18
Q

Four turtles are given a green slime everyday for two weeks to see if a mutation occurs what is the dependent variable?

A

Mutation

19
Q

What is ethylene?

A

Pheromone given off by fruit to ripen

20
Q

A scientific statement found in nature?

A

Law

21
Q

A tendency of an organism to keep stable?

A

Homeostasis

22
Q

3 examples evaporative cooling?

A

Sweating, transporting, boiling water

23
Q

What is the pH needed for living organisms?

A

Seven

Biology Questions And Vocab (1 decks)

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