Practice Questions

TLS Online TPP Program

#Question id: 11397

Which statement about the domain Archaea is false?

#XL - T Zoology

Genetic prospecting has recently revealed the existence of many previously unknown archean species.
Some archaeans can reduce CO2 to methane.
The genomes of archaeans are unique, containing no genes that originated within bacteria.
Some archaeans can inhabit solutions that are nearly 30% salt

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TLS Online TPP Program

#Question id: 4156

#XL - T Zoology

The reading frame of DNA is fixed by

TLS Online TPP Program

#Question id: 4158

#XL - T Zoology

What is a reasonable number of nucleotides in a tRNA molecule?

TLS Online TPP Program

#Question id: 4159

#XL - T Zoology

Which statement is not true about the ʺwobbleʺ position?

TLS Online TPP Program

#Question id: 4160

#XL - T Zoology

Different tRNA molecules that bind the same amino acid are called __ tRNA molecules.

TLS Online TPP Program

#Question id: 4161

#XL - T Zoology

The link between an activated amino acid and tRNA is an __ bond between the __ of the amino acid and a hydroxyl group of the tRNA.

TLS Online TPP Program

#Question id: 4162

#XL - T Zoology

Which statement is false concerning aminoacyl-tRNA synthetase?