Unit 2: Cell Structure and Function

Based on the data, which solution is most likely hypertonic relative to the cell contents?

In which beaker is the net movement of water equal to zero?

If a red blood cell were placed in Solution A instead of a dialysis bag, what would most likely occur?

Using the data, calculate the water potential of the 5% sucrose solution at 25°C if the pressure potential is 0. The solute potential of 5% sucrose at 25°C is -1.3 bars. Express your answer in bars.

Which of the following organelles is found in plant cells but NOT in animal cells?

The function of the rough endoplasmic reticulum is best described as

Which of the following best describes the fluid mosaic model of the cell membrane?

A cell is treated with a drug that blocks the formation of clathrin-coated pits. Which cellular process would be most directly inhibited?

A scientist observes that a particular molecule moves across the plasma membrane from low concentration to high concentration, but the process is not directly coupled to ATP hydrolysis. Which transport mechanism is most likely involved?

The primary function of mitochondria in eukaryotic cells is to

Which of the following provides the best evidence for the endosymbiotic theory?

In a eukaryotic cell, which pathway correctly traces the route of a secretory protein from synthesis to export?

A plant cell is placed in a hypertonic solution. As water leaves the cell, the plasma membrane pulls away from the cell wall. This process is called

Which of the following correctly matches the organelle with its function?

A freshwater protist such as Paramecium maintains its water balance primarily through the action of its

Based on the information provided, which microscope would be most appropriate for observing the three-dimensional surface features of a pollen grain?

A student wants to observe a living Elodea leaf cell undergoing cytoplasmic streaming. Which microscope should the student use?

A researcher needs to determine the internal ultrastructure of a mitochondrion, including the arrangement of cristae. Which microscope would be most appropriate?

Which of the following is a characteristic of prokaryotic cells that distinguishes them from eukaryotic cells?

Cells in the human body vary greatly in size and shape. Which of the following best explains why cells cannot grow indefinitely larger?