Bio Chapter 3

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Glycogen

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Biology

67 Terms

1

Glycogen

________- used by animal cells to store energy and is broken down to release glucose when you need energy.

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2

Hydrolysis

________- the breakdown of polymers by adding water to them.

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3

Cellulose

________- the most abundant organic compound on Earth; forms cable- like fibrils in the tough walls that enclose plant cells and can not be broken by any enzyme produced by animals.

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4

Cholesterol

________- a key component of cell membranes and the "base steroid "from which your body produces other steroids, such as estrogen and testosterone.

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5

Polysaccharides

________- complex carbohydrates and are made of long chains of sugars- polymers of.

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6

Isomers

________- molecules that have the same molecular formula but different.

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7

Hydrophobic

________ (lipids)- unable to mix with water.

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8

Monomers

a molecule that can be bonded to other identical molecules to form a polymer.

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9

Starch

________- consists of long strings of glucose monomers and is used by plant cells to store energy.

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10

Fat

________ (triglyceride)- a glycerol molecule joined with three fatty acid molecules via a.

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11

Hydrophilic

________ " (water- loving)- "molecules that dissolve easily in water.

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12

RNA

________- sugar is ribose; has an uracil base instead of thymine; single stranded.

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13

Proteins

________- polymers of amino acid monomers, account for more than 50 % of the dry weight of most cells, and are instrumental in almost everything cells do.

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14

Monosaccharides

________- the monomers of carbohydrates and can not be broken down into smaller sugars.

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15

Dehydration reaction

________- links two monomers together and removes a molecule of water.

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16

Gene

________- a unit of inheritance encoded in a specific stretch of D N A that programs the amino acid sequence of a polypeptide.

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17

Disaccharide

________- constructed from two monosaccharides by a dehydration reaction.

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18

Polypeptides

________- long chains of amino acids.

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19

Macromolecules

________- large molecules; carbohydrates, proteins, and nucleic acids.

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20

DNA

________- sugar is deoxyribose; double stranded.

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21

Polymers

________- macromolecules made by stringing together many smaller molecules called.

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22

Nucleotides

________- a monomer in nucleic acids.

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23

Peptide bonds

________- Cells link amino acids together by dehydration.

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24

Functional groups

________- the groups of atoms directly.

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25

Double helix

________- A molecule of cellular D N A that is double- stranded.

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26

Hydrogenation

________- adds hydrogen, converts unsaturated fats to saturated fats, makes liquid fats solid at room temperature, and creates trans fats.

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27

Amino acid

________- consists of a central carbon atom bonded to four covalent partners.

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28

Carbohydrates

________- sugars and polymers of sugar.

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29

Organic compounds

carbon-based molecules

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30

functional groups

the groups of atoms directly involved in chemical reactions

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31

macromolecules

large molecules; carbohydrates, proteins, and nucleic acids

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32

monomers

a molecule that can be bonded to other identical molecules to form a polymer

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33

polymers

macromolecules made by stringing together monomers

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34

dehydration reaction

links two monomers together and removes a molecule of water

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35

hydrolysis

the breakdown of polymers by adding water to them

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36

4 large biological molecules in living things

carbohydrates, lipids, proteins, and nucleic acids

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37

Carbohydrates

sugars and polymers of sugar

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38

Monosaccharides

the monomers of carbohydrates and cannot be broken down into smaller sugars

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39

isomers

molecules that have the same molecular formula but different structure

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40

disaccharide

constructed from two monosaccharides by a dehydration reaction

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41

Polysaccharides

complex carbohydrates and are made of long chains of sugars; polymers of monosaccharides

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42

Starch

consists of long strings of glucose monomers and is used by plant cells to store energy

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43

Glycogen

used by animal cells to store energy and is broken down to release glucose when you need energy

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44

Cellulose

the most abundant organic compound on Earth; forms cable-like fibrils in the tough walls that enclose plant cells and cannot be broken by any enzyme produced by animals

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45

hydrophilic ("water-loving")

molecules that dissolve easily in water

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46

hydrophobic(lipids)

unable to mix with water

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47

fat (triglyceride)

a glycerol molecule joined with three fatty acid molecules via a dehydration reaction

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48

function of fats

energy storage, cushioning, and insulation

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49

unsaturated fat

has fewer than the maximum number of hydrogens

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50

saturated fat

has the maximum number of hydrogens

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51

Hydrogenation

adds hydrogen, converts unsaturated fats to saturated fats, makes liquid fats solid at room temperature, and creates trans fats

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52

trans fats

type of unsaturated fat that is particularly bad for your health

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53

Cholesterol

a key component of cell membranes and the "base steroid" from which your body produces other steroids, such as estrogen and testosterone

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54

Proteins

polymers of amino acid monomers, account for more than 50% of the dry weight of most cells, and are instrumental in almost everything cells do

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55

amino acid

consists of a central carbon atom bonded to four covalent partners

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56

peptide bonds

Cells link amino acids together by dehydration reactions

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57

polypeptides

long chains of amino acids

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58

Nucleic acids

macromolecules that store information and provide the instructions for building proteins

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59

2 types of nucleic acids

DNA (deoxyribonucleic acid) and RNA (ribonucleic acid)

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60

DNA

sugar is deoxyribose; double stranded

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61

RNA

sugar is ribose; has an uracil base instead of thymine; single stranded

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62

gene

a unit of inheritance encoded in a specific stretch of D N A that programs the amino acid sequence of a polypeptide

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63

nucleotides

a monomer in nucleic acids

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64

3 parts to a nucleotide

a 5 carbon sugar, a phosphate group, and a nitrogen containing base

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65

4 possible nitrogenous bases

Adenine, Guanine, Thymine, or Cytosine

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66

double helix

A molecule of cellular D N A that is double-stranded

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67

functional group pairings

A only goes with T, and C only goes with G

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