Exam 3: Cell Structure and Function

Shortly following DNA replication is a brief

One function of the nucleolus is to assemble

Microtubules

Which substances can pass directly through the plasma membrane?

Amino acids are carried to the ribosomes to be incorporated into polypeptide chains by which molecule?

Identify the phase of cell division in which the nuclear envelope disappears and the chromatids become attached to the spindle fibers.

The membrane proteins that are sensitive to extracellular materials are called

Immersion of red blood cells into a(n) ________ solution results in lysis of the cell.

Membrane renewal vesicles are formed by

Alcohol and fatty acids enter cells via

When activated, lysosomes may function in

________ processes move substances across a membrane regardless of concentration gradients.

If a cell lacked centrioles, it probably would not be able to

As a result of cell damage, or in the event that a cell converts into a cancer cell, the immune system may set a chain of events in motion that cause the cell to kill itself. This is called

The process of synthesizing a protein from mRNA instructions is called

Which of the following is a function of the membrane proteins called channel proteins?

The type of RNA that holds an initial copy of the genetic information is the

The coils of nucleosomes found in non-dividing cells are called

The cellular organelle responsible for removing and recycling damaged or denatured proteins is called the

The nucleus is surrounded by a double membrane called the