Exam 3: Cell Structure and Function

Paleontologists have discovered ancient prokaryotic fossils dated at over 3.5 billion years old. These fossils resemble prokaryotes that are capable of living in extreme conditions such as high temperature and salinity. What domain do these prokaryotes belong to?

What type of microscopy provides a three-dimensional view of the surface of an object?

The sum of all of the chemical reactions that occur in a cell collectively are called

A short chain of sugar attached to a protein molecule on the plasma membrane is called

Which model currently describes the structure of the plasma membrane?

What cellular organelle is especially abundant in phagocytic white blood cells?

A solution is at equilibrium across a plasma membrane. If 50 molecules were to enter the cell, how many molecules would need to exit the cell in order to maintain the equilibrium?

Archaea are considered the evolutionary precursors to eukaryotic cells.

The reason that metabolizing cells are small in size is because

What is the obvious dark-stained structure within the nucleus that contains ribosomal RNA called?

If the mitochondrion is the result of endosymbiosis, what membrane of the mitochondrion represents the engulfing vesicle?

The cytoplasm is not considered a cellular organelle.

What is the name of a photograph of a specimen obtained with a microscope?

What do the SER and RER have in common?

Which of the following protein fibers is used for cellular movement and are extremely thin in size.

Which of the following diseases would you expect in someone with malfunctioning cilia?

The nucleus of a cell in your thigh muscle contains the same genes as the nucleus of a cell in your brain.

Which of the following is not a function of the cytoskeleton?

Which of the following is not associated with the cytoskeleton?

________ are the fundamental units that make up all living things.