Exam 4: Cells

One organelle,called a _______________,contains enzymes that digest worn out parts of cells.

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

Why can't many molecules,like sugar and proteins,pass freely across the lipid bilayer of plasma membranes?

Oxidative metabolism takes place in the ___________________ of the cell.

An extensive system of internal membranes,called the ________________,is where carbohydrates and lipids are manufactured,and proteins are made that will be exported from the cell.

Diffusion occurs because of the ________________________ of molecules.

The endosymbiont theory is supported by the following evidence except:

When molecules move through a cell membrane from an area of greater concentration to an area of lesser concentration by way of a channel protein,it is called:

What is the function of the nucleolus?

Discuss the functions of the cytoskeleton of the cell.

Which process would enable a white blood cell to ingest a bacterium?

Choose the membrane molecule responsible for aiding passage of polar molecules into and out of the cell.

In eukaryotic cells,DNA is divided into long segments called __________________.

The big difference between prokaryotes and eukaryotes is that eukaryotes have _____________________,which prokaryotes do not.

What structures are found within bacterial cells?

Cells engulfing large particles is called __________________.

A semi-fluid matrix called ____________ fills the inside of a cell.

The passive movement of molecules along a concentration gradient is called ___________________.

In addition to a plasma membrane,plant cells have ______________ which protect and support the plant cell.

____________ is the minimum distance two points can be apart and still be distinguished as two separate points.