What kind of bonds do water molecules form?
Chemical reactions do not create or destroy matter; they REARRANGE it.
What is cohesion?
tendency of molecules of the same kind to stick together
clinging of one substance to another
What is adhesion?
Because of waters hydrogen bonds, water has...
has a stronger resistance to temperature change
easier to heat up
slower to evaporate
What is a solvent?
the dissolving agent?
the substance that is dissolved?
What is the solute?
substance that is dissolved?
What are the most common elements in the body?
Bonds within a molecule are called?
Bonds between molecules are called?
What are ionic bonds?
the sharing of electrons
What are covalent bonds?
An acid is a substance that donates to a solution (exp. hydrochloric acid)
A base is a substance that reduces the concentration of a solution by adding molecules.
ph scale stands for:
is used to break polymer bonds
What are monomers for carbohydrates?
Carbohydrates are made of which make which make using .
Monomers are linked together form polymers by , a reaction that removes a molecule of .
Glucose is a...
To form a disaccharide, one monomer gives up a group and the other one gives up a atom.
to make an amino acid what else is necessary?
What is necessary to form a nucleotide in DNA?
deoxyribose (5 carbon sugar)
ribose (5 carbon sugar)
This is an unsaturated fatty acid.
The functions of lipids are...?
Insulation of the body
Support and protection of vital organs
Long term energy storage
The function of nucleic acids are...?
The energy coin (ATP)
Protect vital organs
Lipids are made of...
Starch is found in plants and serves as a glucose bank. The plant can withdraw glucose for energy or building materials.
Chitin is a structural used by insects and crustaceans to build their exoskeletons. It is also found in the of fungi.
is the most abundant compound. Component of the tough cell walls that enclose plant cells.
Another name for a fat is triglyceride.
Which ones are the reactants?
HCI +NaOH=NaCl +H20
NaCl + HCI
HCI + NaOH
What cells store fats?
Red Blood Cells
In a phospholipid: the heads are , and the tails are .
Disaccharides are used for...
To test for glucose you would use...
To test for starch you would use...
The two DNA strands are held together by ionic bonds.
Functions of protein include...
Polypeptides are made of..
covalent peptide bonds
ionic peptide bonds
hydrogen peptide bonds
proteins are usually enzymes. protein are usually hair, tendons, etc.
Shape determines of a macromolecule
To test for protein you use...
In DNA: forms 2 bonds with and and form 3 bonds with each other.
is when the R-Group interactions are "broken". Causing a protein to lose its ability to function.
Causes for denaturation...
change in pH