Exam 5: Cells: the Working Units of Life

Microtubules are composed of monomers of

The surface area of the small intestine is greatly increased by

What is the major distinction between a prokaryotic and a eukaryotic cell?

Compare and contrast prokaryotic and eukaryotic cells.

Plant cells do not have lysosomes. Which of the following structures likely fulfills the function of lysosomes in plant cell?

The extracellular matrix of animal cells

Eukaryotic cells are thought to be derived from prokaryotic cells that underwent phagocytosis without digestion of the phagocytized cell. This mutualistic relationship is explained by the _______ theory.

The extracellular matrix of animal cells

The semirigid structure that supports the plant cell and determines its shape is the

Components of chloroplasts include

Lysosomes are important to eukaryotic cells because they contain

The ability of living organisms to maintain a constant internal environment is known as _______.

A short sequence of amino acids that determines whether a protein enters the nucleus is called the _______.

Cells that perform little protein synthesis but are involved with protein modification typically have large numbers or amounts of

The major factor limiting cell size is the

Members of the domains Bacteria and Archaea

Of the following plant cell structures, which is most likely to have the greatest volume?

Cholesterol is synthesized by

The role of organelles is to

If you removed the pili from a bacterial cell, the bacterium would