Chapter 2,4 Assignment Questions
Energy sources correctly listed from most to least readily availible for the cell to generate ATP
Glucose, fatty acids, triglcerides
Fat intake should not exceed:
30%
How often can a sucrase molecule be used to hydrolyze sucrose?
Many times
Example of unsaturated fat
Nuts
Which fat has a straight chain pattern instead of a saw tooth pattern?
Saturated fats
What makes fat unsaturated vs saturated?
Unsaturated fats have at least one double bond
Amino acids are characterized by ____
an amino group on one end of the molecule and a carboxyl group in the other end
ATP is able to store and release large amounts of energy because of its:
bond with phosphate groups and its ability to couple to exergonic and endergonic reactions
The function of sucrase is to
break sucrose into glucose and fructose
tertiary structure stabilization can be disrupted by changes in pH and temperature, this is called:
denaturalization
Where is sucrose found in the human body?
microvilli of the small intestine
The direction of reversible reactions depends on the _________ concentrations of the reactants and products
relative
Phospholipids tend to group together so that their polar parts face the surrounding aqueous environment, while their hydrophobic tails face each other. The resulting structures are called:
steroids
Active site is a binding site for
substrate
How does sucrose change the configuration of sucrase?
sucrose binds to its active site on sucrase, changing the shape of the sucrase enzyme
The helix that forms in a protein chain as a result of hydrogen bonds and other weak forces is an example of
the secondary structure of a protein
Monomers in the lipid category have which of the following common physical properties?
they are all insoluble in polar solvents
Fats that are at room temp and are artificially produced are called:
trans fats