Nutritionally wild-type organisms,which do not require any additional growth supplements,are called .....

Molecules are always moving. Some molecules move faster than others; . . . . . . is a measure of their average velocity of movement.

Identify the amino acids $A$,$B$,and $C$ correctly based on their side chains ($R$-groups) shown in the image.

Match the names of items listed under column $I$ with the items given under column $II$; choose the answer which gives the correct combination of the alphabets of the two columns.

Column $-I$	Column $-II$
$(A)$ Ketone	$(p)$ Has $5$ carbon sugar,a phosphate group and a nitrogenous base
$(B)$ Fatty acid	$(q)$ Has long chain of carbon and hydrogen atoms and a carboxyl group at one end
$(C)$ Aldehyde	$(r)$ Has a carbonyl group at the end of the carbon chain
$(D)$ Nucleotide	$(s)$ Has a carbonyl group within the carbon chain

Identify the statement which is incorrect.

Identify the substances among the following that contain both glycosidic and peptide bonds in their structure.