Ptyalin is an example of

100% studentsanswered this correctly

Important Questions on Biomolecules

EASY

Biology

IMPORTANT

OBJECTIVE BIOLOGY FOR NEET VOLUME I>Chapter 9 - Biomolecules>PRACTICE EXERCISES>Q 133

Which of the following combinations is correct?

EASY

Biology

IMPORTANT

OBJECTIVE BIOLOGY FOR NEET VOLUME I>Chapter 9 - Biomolecules>PRACTICE EXERCISES>Q 137

Which of the following statements is correct?
1. Catalytic activity is lost when the cofactor is removed from the enzyme.
2. Coenzyme nicotinamide adenine dinucleotide (NAD) and NADP contains the vitamin niacin.
3. Biomacromolecules have a hierarchy of structures, such as primary, secondary, tertiary and quaternary.
4. Enzymes lower activation energy of reactions and enhance greatly the rate of the reactions.
5. Nucleic acids carry hereditary information and are passed on from parental generation to progeny.

EASY

Biology

IMPORTANT

OBJECTIVE BIOLOGY FOR NEET VOLUME I>Chapter 9 - Biomolecules>PRACTICE EXERCISES>Q 138

The figure given below shows the conversion of a substrate into product by an enzyme. In which one of the four options $(1 - 4)$ the components of reaction labelled as $A, B, C$ and $D$ are identified correctly?

Question Image