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Biomolecules
Biology HD First Quiz asdf
37
Biology
9th Grade
09/03/2012

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Cards

Term
What percentage of a cell is carbon compounds?
Definition
29-39%
Term
What is the study of making carbon compounds?
Definition
Organic Chemistry
Term
Why is it called Organic Chemistry?
Definition
They used to think that carbon compounds could only be made naturally, but they can now be made in the lab.
Term
What are the building blocks of hydrocarbon?
Definition
hydrogen and carbon
Term
What kind of bonding is used by carbon?
Definition
covalent bonding, usually
Term
How many bonds does carbon make?
Definition
4; single double or triple.
Term

Molecules can be represented by...

(hint: 4)

Definition

a) chemical/molecular formulas. (CH3)

b) electron-dot formulas. (shows the dots and xes on bonding something)

c) structural formula (letters connected with lines)

d) structural model (kind we made in the lab)

Term
Building blocks of carbohydrates
Definition

Carbon, hydrogen, and oxygen. 1:2:1.

 

Term
Carbohydrates are...
Definition
macromolecules. A big molecule made by living things from smaller molecules.
Term
Main function of carbohydrates:
Definition
Energy
Term
Monosaccharides
Definition
Single carbon-ring sugar. Simple sugar and smallest carb.
Term
Carbon ring
Definition
Ring of 5 or 6 carbon atoms and an Oxygen.
Term
Glucose
Definition
Monosaccharide; C6H12O6. "blood sugar" of humans. Glucose is made by plants through photosynthesis.
Term
Galactose
Definition
A monosaccharide; C6H12O6. Found in milk.
Term
Fructose
Definition
A monosaccharide; C6H12O6. Found in fruit or honey.
Term
Saccharide
Definition
Sugar
Term
Ribose
Definition
A monosaccharide; C5H10O5. The r in RNA.
Term
Disaccharides
Definition
2 Carbon-ring Sugar.
Term
Condensation, biosynthesis, dehydration
Definition
the removing of a water molecule.
Term

Hydrolosis/

When it Happens

Definition
Adding a water molecule; makes simple sugars. Done during digestion
Term
What sugars can be absorbed by a cell?
Definition
Simple; bigger can't.
Term
Maltose
Definition
A disaccharide; glucose and glucose. Formed in digestion.
Term
Sucrose
Definition
A disaccharide; glucose and fructose. AKA table sugar.
Term
Lactose
Definition
A disaccharide; glucose and galactose. Found in the milk of mammals.
Term
Polysaccharides
Definition
Joining 2 plus saccharides into large molecules.
Term
Starch
Definition
A polysaccharide; many glucose. In some seeds; food for young plants.
Term
Cellulose
Definition
A polysaccharide; many glucose. It's not digested, but it decreases risk for cancer. It's found in the cell wall of plants, in paper, carrots, etc.
Term
Glycogen
Definition
A polysaccharide; many glucose. Used as muscle liver storage for animals.
Term
Chitin
Definition
A polysaccharide; made of glucose. A nitrogen containing sugars. Makes the exoskeleton of arthropods.
Term
Amine
Definition
N bonded to 2 H
Term
Alcohol
Definition
-OH
Term
Carboxyl (Acid)
Definition
C bonded to OH and double bonded to O
Term
Carbon
Definition
Needs 4 More Covalent
Term
Hydrogen
Definition
Needs 1 More Covalent
Term
Oxygen
Definition
Needs 2 More Covalent
Term
Polar dissolves in...
Definition
polar because the negative is attracted to the positive.
Term
How are macromolecules made?
Definition
Most of them through polymerization
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