Lab: Diffusion Across a Semi-permeable Membrane — Unit test Answers

Which step in transcription occurs first?

A patient is in need of hydration. Which type of solution are the patient’s cells most likely in?

Which does not occur during translation?

Which two microscopes generate three-dimensional images?

Which homeostatic process is characterized by the diffusion of only water molecules?

Which is not something that occurs in translation?

The concentration of sodium on the inside of the cell is 20 mM. The outside of the cell has a sodium concentration of 115 mM. Which mechanism of ion uptake would best move sodium from the inside of the cell to the outside?

Which of the following difference between DNA and RNA allows them to perform their unique functions?

The data in the graph are the result of a paramecium being placed in a hypertonic salt solution.Based on the data in the graph, which would most likely happen if the paramecium were placed in distilled water?