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BIO 103 > Exam 2 > Flashcards

Exam 2 Flashcards

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Biology 101 flashcards
1
Q

Products of light rxns

A

O2 + ATP

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2
Q

Function of thylakoid membrane

A

Where light rxns occur. Photosynthesis—> in chloroplast

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3
Q

What is stroma

A

Cytoplasm in plants

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4
Q

Cellular respiration equation

A

C6H12O6 + 6O2 —> 6CO2 + 6H2O + energy

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5
Q

Photosynthesis equation

A

*Opposite of cellular respiration equation

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6
Q

Isotonic

A

Water comes in + out (equal)

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7
Q

Water always moves towards…

A

Hypertonic

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8
Q

Hypertonic

A

Water moves out of cell, cell shrinks (crenate)

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9
Q

Hypotonic

A

Water moves in, cell swells (rupture)

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10
Q

G3P

A

High energy molecule
Makes: carbohydrates, fats, proteins

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11
Q

Everything produces 2 ATP except…

A

Electron transport chain

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12
Q

Entropy

A

Randomness

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13
Q

Metabolism

A

All chemical reactions in the body

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14
Q

Catabolism

A

Breaking down, gives energy (exergonic)

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15
Q

Anabolism

A

Build up, requires energy (endergonic)

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16
Q

Enzymes

A

Speed up chemical rxns, lower energy activation, remain unchanged

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17
Q

Competitive inhibition

A

Compete for active site

18
Q

Noncompetitive inhibition

A

One site misshapen (allosteric site)

19
Q

Coenzymes

A

Helpers (ex. Vitamins)

20
Q

Autotroph

A

Self-eating/ make own food

21
Q

Heterotroph

A

Consumers, need food from something else

22
Q

Where do light reactions take place?

A

Thylakoid membrane/stroma

23
Q

Raw materials of photosynthesis

A

Sunlight, H2O, CO2

24
Q

What percent of the earths surface is tropical?

A

5%

25
Q

Kreb’s cycle

A

Produces energy in matrix

26
Q

Essential

A

Eat

27
Q

Nonessential

A

Make

28
Q

Building blocks of proteins

A

Amino acids

29
Q

Where is cristae found?

A

Mitochondria (inner folds)

30
Q

What does glycolysis produce?

A

Lactate/pyruvate

31
Q

Advantage of fermentation

A

Quick energy

32
Q

Disadvantage of fermentation

A

Produces alcohols poisonous to body

33
Q

Stroma

A

Cytoplasm in plants

34
Q

Final electron receiver in ETC

A

Oxygen

35
Q

Electron donor

A

Hydrogen

36
Q

How many ATP produced in ETC

A

32,34,36,38

37
Q

Aerobic cellular respiration

A

ETC / Citric Acid Cycle

38
Q

Anaerobic cellular respiration

A

Glycolysis / Fermentation

39
Q

Newtons 1st law

A

Energy cannot be created or destroyed, but can be changed from one form to another

40
Q

Newtons 2nd law

A

Law of entrophy —> when energy is changed, loss of energy (random)

41
Q

Substrate concentration

A

Increase speed of enzyme

BIO 103 (1 decks)

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