CMBeeda-bida!!!

A researcher uses a dye that specifically stains the cell nucleus. When viewing a stained cell under the microscope, the nucleus is easier to see because of improved __________

• resolution

• contrast

• magnification

• resolution and contrast

The scientist given credit for first using the term "cell" to describe the basic unit of life using spun glass lenses.

• Theodore Schwann

• Robert Hooke

• Louis Pasteur

• Antony van Leuuwenhoek

The cytosol is the region of a eukaryotic cell that is

• inside the plasma membrane.

• inside the plasma membrane but outside the membrane-bound organelles.

• inside the cell nucleus.

• inside the plasma membrane but outside the nucleus.

The host range of a virus is determined by

• specific receptors on cells it infects.

• the type of genetic information the virus contains.

• the shape of the virus.

• the particular life cycle of the virus.

An infectious RNA molecule is a _____

• virus.

• virion.

• viroid.

• prion.

An infectious protein is a __________

• virus.

• viroid.

• prion.

• virion.

Based on the 1:2:1 proportions of carbon, hydrogen, and oxygen, it can be determined that the glucose molecule is a(n)

• carbohydrate.

• disaccharide.

• triglyceride.

• polymer.

Glucose and fructose are monomers, before ______ occurs, which builds a polymer via the removal of water.

• hydrolysis

• oxidation

• dehydration synthesis

• evaporation

Of the 20 amino acids in all organisms, essential amino acids are obtained by food consumption.

• TRUE

• FALSE

You can painlessly wade into a pool, but doing a belly flop off of the high diving board hurts because of

• cohesion in water.

• adhesion in water.

• water's high density.

• water's neutral pH.