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 - T Zoology

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: 2084

#XL - S Microbiology

Which two organelles are responsible for producing phospholipids and sphingolipids?

#Question id: 2085

#XL - S Microbiology

Cholesterol mixes with phospholipids in a biomembrane because cholesterol molecules are

#Question id: 2086

#XL - S Microbiology

Which of the following is (are) not present in biomembranes?

#Question id: 2087

#XL - S Microbiology

Phospholipids with short or unsaturated fatty acyl chains

#Question id: 2088

#XL - S Microbiology

Lipid droplets arise from the

#Question id: 2089

#XL - S Microbiology

What type of single-pass membrane protein would contain a hydrophobic membrane spanning alpha-helix?