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TLS Online TPP Program

#Question id: 764

Which of the following is NOT correct about tRNA?

#SCPH01 Biochemistry

  1. Charging tRNAs with amino acids is mediated by aminoacyl-tRNA synthetases.

  2. tRNA contains a three-nucleotide sequence known as an anticodon.

  3. Some tRNAs can bind to more than one codon due to wobble base pairing in the second base of the codon.

  4. The match between tRNA anticodon and the mRNA codon ensures the fidelity of translation.

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TLS Online TPP Program

#Question id: 7753

#SCPH01 Biochemistry

The best-studied type of plant autophagy, specialized organelles called autophagosomes enclose the cytoplasmic components and fuse with the vacuole, this is called
TLS Online TPP Program

#Question id: 10346

#SCPH06 I Botany

Nitrite reductase will convert nitrite to ammonium. There are two types of nitrite reductase characteristics given below;

a) Both nitrite reductase consist of a single 63kD polypeptide

b) In leaf chloroplasts and root plastids contain different forms of the nitrite reductase enzyme

c) In shoot nitrite reductase directly dependent on the light reaction by the ferredoxin, it activates nitrite reductase in choloroplast

d) NADPH in the roots is provided by pentose phosphate pathway, it also activate nitrite reductase in the plastids

Which of the correct statement about nitrite reductase characteristics?
TLS Online TPP Program

#Question id: 293

#I Life Science/ Life Sciences Group – I-V

Which of the following types of bonds or interactions between lipid hydrocarbon tails is responsible for lipids forming a membrane bilayer or membranous vesicles in water
TLS Online TPP Program

#Question id: 10581

#SCPH28 | Zoology

Life-history characteristics associated with K-selected organisms include
TLS Online TPP Program

#Question id: 678

#SCPH06 I Botany

Which is not true about β-sheets?