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A structure that has hydrogen bonds between polypeptide chains arranged side by side is?
Which of the following are the salient features of the Double-helix structure of DNA? 1. The two chains have antiparallel polarity. 2. The bases in two strands are paired through hydrogen bonds (H-bonds) forming base pairs (bp).  3. The two chains are coiled in a right-handed fashion. Select the correct answer using the code given below.
Four statements followed by three conclusions numbered I, Il and III. You have to assume the given statements to be true even if they seem to be deviate from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements, disregarding commonly known facts. Statements: Some plates are knives All knives are chains. Some chains are wheels. All wheels are poles. Conclusions: I. Some poles are chains. II. Some Wheels are knives III. Some chains are plates
In which of the following structures of enzyme the polypeptide chains are usually twisted spirally to form a helix and its amino acids at places are connected together by additional hydrogen bonds to provide stability?
The structure in which all peptide chains are stretched out to full extension and laid side by side through intermolecular hydrogen bonds is called ______
Consider the following statements and choose the correct answer:
1. Adenine pairs with thymine (A : T) and guanine with cytosine $$\left( {G \vdots C} \right)$$
2. Adenine and thymine are joined by three hydrogen bonds through atoms
3. Guanine and cytosine are joined by two hydrogen bonds through atoms
4. The weak hydrogen bonding enables the two strands of the DNA to separate during replication
Which among the following structure represents the local spatial arrangement of a polypeptide without regard to the conformation of its side chains?
The polypeptide chains present in insulin is connected by _______ bonds.
In the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements. Statements: Some books are flowers. Some flowers are chains. Some chains are hammers. Conclusions: I. Some hammers are flowers. II. Some chains are books. III. Some hammers are books.
In a DNA double helix the bases are held together by hydrogen bonds. These hydrogen bonds are _________