Molecules and Foundation in Cells

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  • Created by: KayshaN
  • Created on: 11-10-18 14:21
99% of atomes in the human body?
CNOH
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What does ionic bonding mean?
Gain and Loss of electrons forming ions
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What bonds form between water molecules?
Hydrogen Bonds
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Why are Electrostatic interactions important?
For Protein surface, bind together (enzymes)
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Substances that release hydrogen ions?
Acid
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Reduce number of hydrogen ions?
Base
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What is the basic formula of carbohydrates?
(CH2O)n
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What are the Aldoses?
Carbonyl at the end
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What are the Ketoses?(in order 3-5-6)
Dihydroxyacetone, Ribulose, Fructose
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Aldehyde/Ketone group reacts with ? closing the ring.
Hydroxyl group
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What is an isomer?
Same chemical formula but structurally different
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What is a heteropolymer?
A polymer with 2 or more different monomers
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What are the monosaccharide sub units of lactose?
Galactose and Glucose
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How many amino acids are coded for in our bodies?
20
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Amino acids are Amphoteric.. what is this?
Have both basic and acidic groups
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The sequnece of amino acids
Primary
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Hydrogen bonds between amine group and carbonyl group four positions away?
Alpha Helix
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3D structure determined by bonds and chaperone proteins?
Tiertiary
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Dimers, Trimers, tetramers?
Quaternary
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Breaking down, dipeptide into two amino acids.
Catabolism
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What is the role of enzymes?
to maintain order
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What change in energy makes for a spontaneous reaction?
Net negaitve change in free energy
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Why are equillibrium's rare in the body?
Reactions are chained
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Kinase enzymes..?
Catalyse addition of phosphate
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Phosphatase enzymes..?
Catalyse the removal of phosphate
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Measure of affinity of substrate for the enzyme?
Km
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Binding of a molecule not at active site, conformational change. Increase or decrease affinity.
Allosteric
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Proteolysis is related to?
Precursor Enzymes
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What is the effect on Km with a Competitve Inhibitor?
Increase
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What is the effect on Km of a Non-competitve inhibitor?
No Change
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Saturated means?
No double bonds between Carbons
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Which has the fatty acid with two Hydrogen atoms on the same side?
Cis
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Which has the fatty acid with two Hydrogen atoms on the same side?
Cis
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Other cards in this set

Card 2

Front

What does ionic bonding mean?

Back

Gain and Loss of electrons forming ions

Card 3

Front

What bonds form between water molecules?

Back

Preview of the front of card 3

Card 4

Front

Why are Electrostatic interactions important?

Back

Preview of the front of card 4

Card 5

Front

Substances that release hydrogen ions?

Back

Preview of the front of card 5
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