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What are pentoses? To what organic group do pentoses belong?
Why the 2a group elements are called alkaline earth elements?
Define bond angle?
What is ph? What are the units of ph?
How does the substrate concentration affect the speed of enzymatic reactions?
How do you define free radical addition reaction? Give an example.
What does one Debye equals?
What factors can change the pKa value of an amino acid residue, and in which direction?
How many elements are there in 3d-series of first transition series?
What is Co-ordination number?
Calculate the molar extinction coefficient of a solution containing 5 *10-4 g litre-1 of a biomolecule, molecular weight 275 g mol-1, and absorbance 0.75 in a 1.2 cm cuvette.
The elution volume of an enzyme on a gel filtration column can be predicted from a) its enzyme activity b) its protein absorbance at 280 nm c) subunit composition and monomer molecular mass(es) d) Choices a) and b) are both correct.
Aldehydes and ketones are known as?
What is the tertiary structure of a protein?
Since pepsin is a gastric enzyme does it, has acid or basic optimum ph? What happen to pepsin when it passes to the duodenum?
