Biomolecules
Functions
Pathways
Vocabulary
Enzymes
100

What is the storage form of glucose in humans?

Glycogen

100

Any enzyme that moves a functional group from one molecule to another is called a _____.

transferase

100

In glycolysis, what enzyme converts glucose to glucose 6-phosphate?

hexokinase (or glucokinase)

100

Unfolding of a protein due to exposure to heat or acid solution is called...

denaturation

100
What is the purpose of an enzyme?
To catalyze (speed up) a chemical reaction
200

Alpha helices and beta sheets are examples of this level of protein structure.

Secondary

200

Which vitamin is most needed for clotting factor synthesis?

Vitamin K

200

The oxidation of pyruvate to acetyl-CoA is accompanied by the reduction of ____?

NAD+ to NADH

200

Conversion of pyruvate into alcohol or lactate is called.

fermentation

200
Enzymes speed up reactions by lowering what?

Activation energy of a reaction

300

Fatty acids link to glycerol via this type of bond

Ester

300

Which glucose transport protein is insulin dependent?

GLUT-4

300

Aldolase cleaves fructose 1,6-bisphosphate into dihydroxyacetone phosphate and ____?

Glyceraldehyde 3-phosphate

300

What is dehydration synthesis?

Loss of water to build a molecule

300

What is the name of the model of enzyme kinetics which plots reaction rate against substrate concentration?


Michaelis-Menten

400

This lipid serves as the precursor to all steroid hormones.

cholesterol

400

Which of these enzymes are synthesized by the intestinal mucus membrane?

carboxypeptidase, pepsin, maltase, amylase

maltase

400

What are the substrates of citrate synthase?

Oxaloacetate and acetyl-coA

400

Any compound with the general formula (CH2O)n

Carbohydrate

400
What is the name of the place on an enzyme where its molecule binds?
Active site
500

What are the three parts of a nucleotide (monomer of DNA/RNA)?

Phosphate, Sugar, Nitrogenous base

500
What are three substrates used for gluconeogenesis?

glucogenic amino acids, glycerol, lactate, pyruvate

500

The catabolism of fatty acids into acetyl-CoA is called...

Beta oxidation

500

Identify the difference between ionic and covalent bonds

Ionic--give and take of electrons Covalent--sharing electrons

500

Name the enzyme that catalyzes the rate limiting step in cholesterol synthesis, and is the target of statin drugs.

HMG-CoA reductase

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