Question

11: which macromolecule makes up the barrier in our cells such as the cell - membrane and the nucleus? a. carbohydrates b. lipids c. proteins d. nucleic acids

1. what is the name for the process by which a ribosome makes proteins based on an mrna template? a. transcription b. transformation c. transfection d. translation

Explanation:

1. Lipids form the main component of cell membranes and the nuclear envelope which act as barriers. They create a lipid - bilayer structure.
2. Transcription is the process by which a ribosome makes proteins based on an mRNA template. In transcription, DNA is used as a template to synthesize mRNA.

Answer:

1. B. Lipids
2. A. Transcription