Only 22 tRNAs are required for mitochondrial protein synthesis. The normal codon–anticodon pairing rules are relaxed in mitochondria, so that many tRNA molecules recognize any one of the four nucleotides in the third (wobble) position, allowing four codons to be recognized by a single tRNA.

TLS Online TPP Program

#Id: 9933

#XL - T Zoology

Bacterial Infections

Bacteria enter the body through several natural routes.

TLS Online TPP Program

#Id: 10644

#XL - R Botany

V.Angiosperm

All angiosperms are classified in a single phylum "Anthophyta"

TLS Online TPP Program

#Id: 10371

#XL - Q Biochemistry

A given MHC molecule can bind numerous different peptides, and some peptides can bind to several different MHC molecules. Because of this MHC molecule is often referred to as “promiscuous”.

TLS Online TPP Program

#Id: 9523

#XL - R Botany

Three major types of insect herbivores

Phloem feeders, such as aphids and whiteflies, cause little damage to the epidermis and mesophyll cells. Phloem feeders insert their narrow stylet, which is an elongated mouthpart, into the phloem sieve tubes of leaves and stems. 

TLS Online TPP Program

#Id: 9423

#XL - T Zoology

Sexual dimorphism in primates