MCQ final exam 2023 Flashcards
Adenosine diphospahte is formed by
A reaction between a phosphorylated compound and adenosine monosphate
A peptidase is an example of a what enzyme?
hyrdolases
in the induced fit model of enzyme activity
Binding of the substate to a flexible enzyme active site results in changes in the structure of the substrate
pH has a profound effect on the catalytic effect of enzymes because
Ph affects the conformation at the active site and thus the ability of the enzyme to bind to the substrate
Which of the following statements about enzyme catalysed reactions is true
enzymes alter the activation energy of a reaction
In which section of the human digestive tract does the digestion of polypeptides take place
duodenum
the enzyme trypsin acts on which substate and can be classified as what type of enzyme ?
polypeptides, hydrolase
what type of carbohydrate can be catabolized into by the time they enter the small intestine
disaccharides
The loss and gain of electrons in what type of chemical reaction ?
redox
which type of the following reactions in glycolysis, does not yield ATP?
glyceraldehyde-3-phospahte —> 1,3 Biphosphoglycerate
Which reaction in the gluconeogenesis pathway occurs in the mitochondria and not in the cytosol?
Pyruvate, Oxaloacetate
What type of reaction is occuring:
Glucose-1-phosphate———-phosphoglucomutase—> Glucose-6-phosphate
isomerases
how many proteins work to faciltate photosynthesis
30
what process provides the electrons to replace those lost in photosystem II in photosynthesis?
The splitting of water
what is the overall yield energy from the oxidation of 1 molecule of behenic acid( c22:0)?
150
If the catabolism of an amino acid yield the molecule shown, such an amino acid is to be considered
ketogenic
How many common pathways can be identified for the catabolism of the 20 aa
6
