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TLS Online TPP Program

#Question id: 4126

Which one of the following is true about the genetic code?

#SCPH01 Biochemistry

  1. All codons recognized by a given tRNA encode different amino acids.

  2. It is absolutely identical in all living things.

  3. Several different codons may encode the same amino acid.

  4. The base in the middle position of the tRNA anticodon sometimes permits “wobble” base pairing with 2 or 3 different codons.

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TLS Online TPP Program

#Question id: 19464

#SCPH01 Biochemistry

Which is the common fixative agent that crosslinks amino groups on adjacent molecules
TLS Online TPP Program

#Question id: 4921

#SCPH12 I Genetics

Shell coiling in snail determine by genetic maternal effect. S for dextral and s for sinistral.  Following cross allowed between

Male

Female

Progeny   (Genotype)

Dextral

sinistral

Dextral (K1)

Dextral

Sinistral

Sinistral (K2)

Sinistral

sinistral

Dextral (K3)

Dextral

Dextral

Sinistral (K4)

Which of the following progeny not have SS genotype?
TLS Online TPP Program

#Question id: 6946

#SCPH01 Biochemistry

The adult body plan of the fly is based on reiterating structures called segments; segment precursors (parasegments) are first positioned at the cell-by-cell level by which group of genes?
TLS Online TPP Program

#Question id: 1747

#SCPH05 I Biotechnology

Cytokines always act:
TLS Online TPP Program

#Question id: 3622

#SCPH06 I Botany

Two allelic genes are situated on