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Bio II > 3.3 > Flashcards

3.3 Flashcards

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Biology 101 flashcards
1
Q

What do hormones do?

A

Carry molecular messages through the blood.

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2
Q

hat carries molecular messages through the blood?

A

Hormones

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3
Q

What is the postal system of cell communication?

A

Blood=Postal service
hormones=letters

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4
Q

What do enzymes do?

A

cut and join the molecules of life

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5
Q

What cuts and joins the molecules of life?

A

Enzymes

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6
Q

What do digestive enzymes do?

A

Break up food into small nutrient particles

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7
Q

What breaks food up into small nutrient particles?

A

Digestive enzymes

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8
Q

What do infrastucture enzymes do?

A

support and move cells

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9
Q

What enzymes support and move cells

A

Infrastructure enzymes

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10
Q

What do channels pumps and receptors do?

A

move back and forth across the membrane

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11
Q

What functional group makes an amino acid polar?

A

hydroxide

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12
Q

What functional group makes an amino acid non polar?

A

just having and amino and a carboxyl

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13
Q

What functional group makes an amino acid negatively charged?

A

carboxyl

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14
Q

what functional group makes an amino acid more positively charged?

A

amino

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15
Q

What is the monomer of a protein

A

amino acid

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16
Q

Amino acid is the monomer of what?

A

Protein

17
Q

What is the polymer of protein?

A

polypeptide

18
Q

Polypeptide is the polymer of what?

A

Protein

19
Q

What does hydrophobic mean?

A

afraid of water

20
Q

what does hydrophilic mean?

A

attracted to water

21
Q

What elements are in proteins?

A

C, H, O, N, S

22
Q

three or more amino acids joined in a linear chain

A

polypeptide chain

23
Q

a coiled or pleated pattern of protein structure caused by regular intervals of H bonds

A

secondary structure

24
Q

folding of protein through interactions among R groups of a polypeptide chain

A

tertiary structure

25
Q

lowest level of protein structure; has a linear, unique sequence of amino acids

A

primary structure

26
Q

the type of covalent bond linking one amino acid with another

A

peptide bond

27
Q

hemoglobin, a globular protein of four chains is an example a protein with this

A

quaternary structure

28
Q

breaking weak bonds in large molecules (such as proteins) to change it shape so it no longer functions

A

denaturation

29
Q

a small organic compound having an amino group, a carboxylic acid group, a hydrogen atom, and an R group

A

amino acid

Bio II (20 decks)

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