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Biology > Test 1 > Flashcards

Test 1 Flashcards

1
Q

changed during a chemical reaction

A

Reactants

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2
Q

Exothermic

A

release more energy than they absorb.

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3
Q

Endothermic

A

absorb more energy than they release.

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4
Q

Changes in ph and temperature

A

Disruptions in homeostasis can prevent enzymes from properly functioning.

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5
Q

activation energy

A

amount of energy
needed to start a chemical
reaction.

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6
Q

Chemical reaction/ reaction rate

A

Speeds up

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7
Q

made by a chemical reaction.

A

Products

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8
Q

Equilibrium

A

reactants and
products form at the same
rate.

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9
Q

catalyst lowers?

A

activation energy

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10
Q

Catalyst speeds up

A

Chemical reaction/ reaction rate

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11
Q

Enzymes perform chemical reactions by

A

breaking and forming

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12
Q

Ose

A

Sugar

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13
Q

Nucleic acid monomers

A

Nucleotides

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14
Q

Nucleic acid polymer

A

DNA or RNA

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15
Q

Protein monomers

A

Amino acid

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16
Q

Protein polymer

A

Polypeptide

17
Q

Mono

A

1

18
Q

Di

A

2

19
Q

Poly

A

Many

20
Q

Nucleic acid function

A

Stores in carries genetic information

21
Q

Carbohydrate monomer

A

Monosaccharides (Simple sugar)

22
Q

Carbohydrate polymer 

A

Polysaccharide (Complex carbohydrate)

23
Q

Lipid monomers

A

Fatty acid

24
Q

Lipids polymers

A

Lipids (Triglycerides and phospholipids)

25
Q

Zero

A

The strongest acid

26
Q

14

A

The strongest basic (basses)

27
Q

Seven

A

Neutral (water)

28
Q

Electrons are part of atoms that involved in all types of

A

Bonding

29
Q

Covalent bonds occur
when atoms

A

Share electron 

30
Q

Ionic bonds occur when

A

Atoms gain or lose electrons

31
Q

Water

A

Polar (Slightly charged regions) covalent molecule 

32
Q

Hydrogen bonds

A

Slightly positive Hydrogen atoms and slightly negative oxygen atoms

33
Q

Are in the nucleus and have a positive charge

A

Protons

34
Q

Are also in the nucleus and have no charge

A

Neutrons

35
Q

Orbit the nucleus and have a negative charge

A

Electron

36
Q

Hydrogen bonds are responsible for four important properties of water

A

• Universal solvent (adhesion)
• High specific heat
• Surface tension (cohesion)
• less dense as a solid 

37
Q

 Bond energy

A

The amount of energy that it takes to break a bond between two atoms

Biology (6 decks)

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