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Water is formed by what type of bond?

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matenme

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1

Water is formed by what type of bond?

covalent bonds

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2

What does the covalent bonds involve

unequal sharing of electrons

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3

What type of bond is the covalent bond in water

polar covalent bond

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4

Which is more electronegative: the oxygen nucleus or the hydrogen nucleus

oxygen nucleus

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5

Intermolecular force of a hydrogen bond, weak or strong?

weak

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6

One pole negative, and the other slightly positive) makes what

dipolarity

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7

A hydrogen bond is not a proper bond but, rather, a

force of attraction

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8

Binding together of two molecules of the same type

cohesion

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9

What is cohesion helpful for?

water transport in plants

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10

Hydrogen bonds can form between water and other polar molecules, causing water to stick to them.

Adhesion

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11

Hydrogen bonds restrict the movement of water molecules so a large amount of energy is required in order to increase the temperature of water to break these hydrogen bonds.

High specific heat capacity

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12

To cool down, water must lose what

large amounts of energy

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13

When a molecule evaporates it separates from other molecules in a liquid and becomes a vapor molecule. The heat needed to do this is called :

High latent heat of vaporization

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14

Evaporation has a what effect

cooling

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15

The highest temperature that a substance can reach in a liquid state.

boiling point

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16

Water remains liquid in a temperature range from

0-100 celsius

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17

Water loving?

hydrophilic

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18

Water hating (or insoluble in water)

hydrophobic

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19

When a molecule evaporates it separates from other molecules in a liquid and becomes a vapor molecule. The heat needed to do this is called:

high latent heat of vaporization

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20

Its partially negative oxygen pole is attracted to positive ions and its partially positive hydrogen pole is attracted to negatively charged ions so that both can dissolve

solvent properties

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21

Water adheres to what in cell walls.

cellulose molecules

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22

Carbon is able to form how many bonds?

4

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23

With what elements can carbon bond with?

hydrogen, oxygen, nitrogen and phosphorus.

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24

Are composed of carbon, hydrogen and oxygen, with a proportion of two hydrogen atoms for every oxygen

carbohydrates

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25

Are molecules that are insoluble in water, including steroids, waxes, fatty acids and triglycerides. In common language, triglycerides are fats if they are solid at room temperature or oils if they are liquid at room temperature.

lipids

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26

Are composed of one or more chains of amino acids. All of the amino acids in these chains contain the elements carbon, hydrogen, oxygen and nitrogen.

Proteins

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27

They are chains of subunits called nucleotides, which contain carbon, hydrogen, oxygen, nitrogen and phosphorus. There are two types of nucleic acid: ribonucleic acid (RNA) and deoxyribonucleic acid (DNA).

nucleic acids

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28

The formula for ribose

C5, H10, O5

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29

The formula for glucose

C6, H12, O6

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30

The carbon atoms form an unbranched chain. In saturated fatty acids they are bonded to each other by single bonds.

One end of the chain the carbon atom is part of a carboxyl group.

lipids

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31

Composed of monomers called amino-acids, which join together to form polypeptide chains

proteins

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32

Name the 4 things proteins can bond to.

amine group, carboxyl group, hydrogen atom, R group.

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33

Each nucleotide consists of 3 components

pentose sugar, a phosphate group and a nitrogenous base

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34

Proteins molecule unit

amino acids

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35

Carbohydrates molecule unit

monosaccharides

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36

Lipids molecule unit

fatty acid + glycerol

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37

Nucleic acids’ molecule unit

nucleotide

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38

Proteins functional group

amino group, -N, -COOH

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39

Carbohydrates functional group

C, H, O, -OH

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40

Lipids functional group

-COOH

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41

Nucleic acids functional group

pentose, PO4, nitrogenous base

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42

Protein example

elastine, colagene

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43

Carbohydrates example

glucose, galactose

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44

Lipids example

phospholipid, fatty acid, saturated/unsaturated

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45

Nucleic acid example

DNA, RNA

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46

Sum of all reactions that occur in an organism.

metabolism

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47

Where does most of the metabolism reactions happen

cytoplasm of cells

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48

2 types of metabolism

catabolism, anabolism

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49

Is the breakdown of complex molecules into simpler molecules

catabolism

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50

Is the synthesis of complex molecules from simpler molecules

anabolism

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51
term image

ribose

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52
term image

glucose

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53
term image

amino acids

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54
term image

fatty acids

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55

Building blocks of what biomolecules are made of.

monomers

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56

The monomer for a carbohydrate is called

monosaccharide

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57

Two or more monomer molecules form

polymer

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58

Monosaccharides: Individual units of sugar.

glucose, fructose, ribose

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59

Disaccharides: Two monosaccharides linked together.

maltose, lactose, sucrose

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60

Polysaccharides: Many monosaccharides linked together.

cellulose, starch, glycogen.

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61

Involves the loss of an –OH from one molecule and an –H from another molecule, which together form H2O

condensation

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62

Linking together monosaccharides to form disaccharides and polysaccharides is a ___ process

anabolic

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63

What is the most abundant organic molecule in nature.

cellulose

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64

Cellulose is a what of glucose molecules.

polymer

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65

What are the cell walls of plant cells are made of

cellulose

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66

Starch is hydrophilic or hydrophobic?

hydrophilic

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67

Lipids are what in water

insoluble

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68

What is one of the principal groups of lipid.

triglycerides

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69

The building blocks of lipids are

fatty acids

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70

Contain all de hydrogen possible, simple bonds between carbons (fatty acids)

saturated

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71

Contain less hydrogen, have double bonds between carbons and there are two types:

unsaturated: monounsaturated, polyunsaturated

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72

Unsaturated fatty acids can be

cis or trans

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73

Fatty acids: saturated

animals, vegetables

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74

Fatty acids: unsaturated

trans

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75

Fatty acids: polyunsaturated

omega-3, omega-6

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76

Fatty acids: monounsaturated

omega-9

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77

What is the function of fats in living organisms?

stored lipids, heat insulators, shock absorbers, double the amount of released energy

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78

Amino acids have a central carbon atom with four different atoms or groups linked to it

hydrogen atom, amine group p, carboxyl group and an r group (radical)

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79

Two amino acids joined together

dipeptide

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80

Consist of many amino acids linked by peptide bonds.

polypeptide

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81

The number of amino acids in a _________ can be anything from 20 to tens of thousands.

polypeptide

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82

The main factors that cause denaturation of proteins are:

pH, high temperature

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83

What is a proteome

all of the proteins produced by a cell, a tissue or an organism.

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84

What is a genome

all of the genes of a cell, a tissue or an organism.

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85

ctm Functions of proteins (matenme pls)

catalysis, muscle contraction, cytoskeleton, tensile strengthening, blood clotting, transport of nutrients and gases, cell adhesion, membrane transport, hormone, receptors, packing of DNA, immunity

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86

CELL THEORY

cell is the single unit of life, all living things are made of cells, all new cells come from preexisting cells

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87

Name of organisms which are only one cell

unicellular

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88

7 functions of life

metabolism, response, nutrition, growth, excretion, homeostasis, reproduction

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89

Name of a single mass of cells, fused together.

multicellular

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90

DIFFERENT FUNCTIONS IN MULTICELLULAR ORGANISMS

bone cells, blood cells, muscle cells, skin cells, nerve cells, endothelial cells

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91

TYPES OF TISSUES

connective tissue, epithelial tissue, muscle tissue, nervous tissue

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92

During early stages of embryonic development cells are capable of dividing many times to produce large amounts of tissue.

stem cells

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93

STEM CELLS NON THERAPEUTIC USES

produce regenerated tissue, treat type 1 diabetes, grow whole replacement organs, produce striated muscle fibers

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94

FUCK ME TYPES OF STEM CELLS

totipotent, pluripotent, multipotent, unipotent

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95

NO SE ACABA LA PUTA PRESENTACION 3.1 As cell volume increases:

surface area/volume ratio decreases, substances will not enter the cell as quickly as required and waste products will accumulate, energy cells may overheat

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96

EMERGENT PROPERTY

characteristics of the whole organism, including the fact that it is alive

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97

cell differentiation (bruh i give UPPP)

development of cells in different ways to carry out specific functions.

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98

genetic differentiation

involves the expression of some genes but not others

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99

im sorry pero fuck this ya se la arman con las utimas 3 presentaciones (respuesta: 123)

1234

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100

PREGUNTA 100 organisms that lack nucleus

prokaryotes

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