biochemistry & water &PH Flashcards by stephbeff t.

Q

Key elements

A

CHONPS

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Q

C

A

Carbon

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Q

H

A

hydrogen

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Q

O

A

oxygen

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Q

N

A

nitrogen

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Q

p

A

Phosphorous

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Q

s

A

sulfur

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Q

4 common molecules

A

carbs

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Q

what are carbohydrates

A

sugars/starch/cellulose

instant energy and structure

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Q

lipids

A

oils waxes butters
long term energy
cell membranes
stores energy

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Q

saturated:

A

solid at room temp-animals

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Q

unsaturated fats

A

vegetable

liquid at room temp

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Q

bonds in sat and unseat fats

A

sat has single bonds

unsats have double bonds (more energy)

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Q

structural proteins

A

build body parts

meat/ muscle

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Q

functional proteins

A

enzymes and stuff

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Q

nucleic acids

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A

DNA and RNA
nucleotide building blocks
a-t g-c

coding for proteins and making proteins

Q

chemical reactions

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A

photosynthesis

respiration

Q

we are mostly water

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A

polar type molecule

Q

polar bond

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A

water
elevtrons shared unevenly

partially negative O
partially positive H

Q

cohesion-

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A

two molecules stick together

Q

adhesion

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A

water sticks to other polar things

Q

capillarty

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A

due to cohesion and adhesion

Q

universal solvent

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A

dissolve andy polar/ionic thing

only doesn’t dissolve non polar stuff (lipids and fats0

Q

ice is less desnse in its

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A

solid form

-important to anything that lives in water

high specific heat

takes a lot of energy to be added to water to heat up

high heat of vaporization

in order to change phases, needs a lot of energy

pH acid

below seven | H+

pH base

OH- | above 7 on scale

cleaners sopa shampoo

bases

consume tomatos soda

acids

water pH

neutral | H+ =OH-

H2o=

H+ +OH-

water has---bonds

covalent