Sodium, which has an atomic number of 11, will react with chlorine, which has an atomic number of 17. when these two atoms react, both become stable. To become stable, sodium will_____, while chlorine will____
Give up one electron; accept one electron
The folding and coiling of proteins into globular and fibrous shapes determines the____ structure of the protein.
Glucose is broken down in most of your cells to form carbon dioxide, oxygen, and the energy currency of the cell called ATP. What type of chemical reaction is this?
catabolic or exergonic
When table salt, sodium chloride (NaCl), is placed in water
Ionic bonds between Na+ and Cl- are broken.
tryglycerides are molecules consisting of one 3-carbon compund called___bound to three____
glycerol; fatty acids
Consider a mixture of blood, which contains sodium chloride, protein, and cells or formed elements. the sodium chloride is in a____, the protein is in a___, and cells are in a___
Solution; colloid; suspension
___ accounts for 98.5% of the body's weight.
Carbon, oxygen, hydrogen, nitrogen, calcium, and phosphorus.
Oxygen has an atomic number of eight. When two oxygen atoms come together, they for a ___ bond
when you jump off a high diving board into water, you notice great resistance of water. This resistance is called___ and is caused by water's great
Surface tension; coesiveness
Varietes of elements called___ differ from one another only in number of neutrons and therefore in atomic mass
a ___ is a group of atoms that determines many of the properties of an oganic molecule
Digestive enzymes breakdown the starch in a potatio into thousands of glucose molecules. this is an example of
Blood has a pH ranging for 7.35 to 7.45. slight deviations from this can cause major problems, even death. You are doing an intense workout, and your skeletal muscle cells are producing metablolic acids such as lactic acid. Your blood pH does not drop significantly in spite of the metabolic acids release into the blood. You maintain a constant blood pH because
the body contains chemicals called buffers that resist changes in pH
Table sugar is a disaccharide call___ and is made u pof the monomers___
Sucrose; glucose and fructose
Consider oxygen, which has an atomic number of 8 and an atomic mass of 16. How many valence electrons does it have?
when ATP breaks down ADP, potential energy stored in bonds is released. This energy stored in bonds is____ energy
Proteoglycans are macromolecules that form gels, which help hold cells and tissues together, lubricate joints, and account for the tough rubbery texture of cartilage. Proteoglycans are composed of
Carbohydrates and proteins