Question

You discover what you think is a new macromolecule in a bacterium isolated from a pond near where you live. The following questions ask you why you think it is a macromolecule and what properties you predict it has.

Part 1(1 pt) What evidence may have led you to conclude that the molecule is a macromolecule?

Choose one:

A. The molecule is essential for cell viability.

B. During centrifugation, the proposed macromolecule sediments as a single, discrete band in the centrifuge tube.

C. The proposed macromolecule passes through a filter that prevents the passage of proteins and nucleic acids.

D. Composition analysis of the proposed macromolecule shows that it contains carbon, oxygen, nitrogen, hydrogen and sulfur atoms.

Answer 1

Answer is B: During Centrifugation, the proposed macromolecule sediments as a single, discrete band in the centrifuge tube.

Explanation: Each macromolecule is made up of many monomers. Then it has high molecular weight.C

Centrifugation is a process that involves the use of centrifugal force for the sedimentation of mixture with a centrifuge. More dense components of the mixture move away from the axis of the centrifuge while less dense components of the move towards the axis.