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.A polypeptide chain has –COOH group at one end.Which would be present at the other end?
.If a protein consist of only one polypeptide chain,which structural level is not possible
Protein synthesis in an animal cell occurs
Tertiary structure is maintained by
In Insulin the 2 chains are hold together by
.Which of the following correctly represents the primary structure of proteins?
The number of amino acids in haemoglobin is
.Usually a polypeptide chain bends and folds upon itself to form a globular shape.This is protein’s
Name the elements which occur in nucleic acid macromolecules
29.The reaction between the phosphate group of one nucleotide and -OH group of another is
.A promoter site on DNA
.All the terminator codons begin with the nucleotide of
Most important RNA from genetic point of view is
.Maximum formation of mRNA in eukaryote occurs in
Double helix of DNA show
Transcription starts at the RNA polymerase binding site called
Enzymes are essential in our body because these
Which of following combines with non-protein part to form a functional enzyme?
Why do cells contain many different enzymes?
if a non protein part is covalently bonded to enzyme it is called as
An enzyme with its co enzyme and prosthetic group removed is called
enzymes important in photosynthesis are found in
the active site of enzyme is made of how many regions?
The rate of reaction of enzyme depends on____ of enzyme present at a specific time at unlimited substrate conc.
Optimum temperature for enzymes of human body is
Optimum pH for salivary amylase is
The effect of which inhibitor can be neutralized partly or completely by increasing substrate conc
.The rate of an enzyme catalyzed reaction
Antibiotics are useless against viruses because
Which of the following cannot multiply outside the living cells?
Influenza viruses are
Which of the following are well known RNA tumour viruses?
Poliomyelitis is caused by
.Bacteriophage for their reproduction use the biosynthetic machinery of
The first stage in the replication of bacteriophage is
All of the following are true about lytic cycle of bacteriophage except
AIDS patient can suffer fromIn
A chemical component found in all viruses is