Practice Questions

TLS Online TPP Program

#Question id: 4948

RNA molecules can both carry genetic information and be catalytic. This supports the proposal that

#XL - S Microbiology

RNA was the first hereditary information.
protobionts had an RNA membrane.
RNA could make energy.
free nucleotides would not have been necessary ingredients in the synthesis of new RNA molecules.

More Questions

#Question id: 2124

#XL - S Microbiology

An integral membrane protein can be extracted with:

#Question id: 2124

#XL - T Zoology

An integral membrane protein can be extracted with:

#Question id: 2125

#XL - S Microbiology

The shortest alpha helix segment in a protein that will span a membrane bilayer has about _____ amino acid residues.

#Question id: 2125

#XL - T Zoology

The shortest alpha helix segment in a protein that will span a membrane bilayer has about _____ amino acid residues.

#Question id: 2126

#XL - S Microbiology

A hydropathy plot is used to:

#Question id: 2126

#XL - T Zoology

A hydropathy plot is used to: