Practice Questions

TLS Online TPP Program

#Question id: 221

Which statement is false about 5,6,7,8-tetrahydrobiopterin?

#Section 2: General Biology

It is required by the enzyme that catalyzes the synthesis of nitric oxide from arginine.
It is synthesized by animals and other organisms.
It is used in the transfer of phosphate groups during DNA synthesis.
It is a reducing agent in the conversion of phenylalanine to tyrosine.

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TLS Online TPP Program

#Question id: 37

#Section 2: General Biology

Which one of the following has the cellular components arranged in order of their increasing size?

TLS Online TPP Program

#Question id: 38

#Section 2: General Biology

Which of the following is capable of existing as a pair of enantiomers?

TLS Online TPP Program

#Question id: 39

#Section 2: General Biology

What functional groups are present in this molecule?

TLS Online TPP Program

#Question id: 41

#Section 2: General Biology

Enzymes are biological catalysts that enhance the rate of reaction by:

TLS Online TPP Program

#Question id: 42

#Section 2: General Biology

What is the relation between the given compound?

TLS Online TPP Program

#Question id: 44

#Section 2: General Biology

The four covalent bonds in methane (CH4) are arranged around carbon to give which one of the following geometries?