Biochemistry
Description: GATE: Biotechnology: Biochemistry | |
Number of Questions: 20 | |
Created by: Shaka Gupte | |
Tags: Biochemistry |
The number of base pairs per turn of a helix of A DNA is __________.
Which one of the following is an inhibitor of oxidative phosphorylation?
In salvage pathway of purine biosynthesis, the 7th nitrogen molecule comes from which of the following?
Epimerism is an isomerism that occurs depending on whcih of the following?
The rate limiting step of glycolysis is controlled by
During protein synthesis in eukaryotes, when does the tRNA-met bind to 5’ mRNA?
In complex III, electrons are transferred _________.
Meselson and Stahl proved that DNA replication is semiconservative. E.coli bacteria was grown in N15-NH4Cl medium, then washed and incubated with N14 compounds for 3 generations. Then CsCl density gradient centrifugation of isolated DNA showed semiconservative DNA replication. What is the pattern of band formation, if formed in the following way: N14, N14/15, N15?
Which of the following are yielded in a citric acid cycle?
Which of the following is mismatched?
Deletion of the leader sequence of trp operon of E.coli causes _________.
There is a leader sequence in gene controlling synthesis of tryptophan.
The final product of β-oxidation of a 16-carbon fatty acid is ________.
The metabolism of fatty acids occur by α and β-oxidation.
Match the following: Pathways and rate limiting enzymes P. Glycogenesis a. Carbamoyl phosphate synthetase Q. Urea synthesis b. α-ketogluterate dehydrogenase R. TCA cycle c. Acetyl CoA carboxylase S. Purine Biosynthesis d. Glycogen synthase T. Fatty acid synthesis e. Glutamyl amido transferase
It is the principal buffer of __________.
Bicarbonate buffer is a critical buffer of our body
The active form of this enzyme is ______.
Glycogen synthase enzyme catalyses the rate limiting step of glycogenesis.
The pH of bicarbonate buffer is _______.
Bicarbonate buffer is a critical buffer of our body
Active glycogen synthase is converted to inactive form by phosphorylation of ____________.
Glycogen synthase enzyme catalyses the rate limiting step of glycogenesis.
The number of ATP molecules produced from a 16 carbon fatty acid is _______________.
The metabolism of fatty acids occur by α and β-oxidation.
Match the following: Column A Column B A. Cycloheximide 1. Inhibits bacterial protein synthesis by blocking the A-site on the ribosome.
B. Puromycin 2. Inhibits bacterial protein synthesis by blocking peptidyl transfer. C. Chloramphenicol 3. Inhibits protein synthesis by resembling an amino acid. D. Tetracyclin 4. Misreads the genetic code and inhibits initiation of protein synthesis.Within the leader sequence, lies the __________.
There is a leader sequence in gene controlling synthesis of tryptophan.