Microbiology 2420 - Lecture Exam 1

Front

What is a property shared by all living organisms?

Back

Information used for cell function and reproduction stored in DNA, Evolutionary adaptation, Response to stimuli.

Front

Which of the following is NOT a property shared by all living organisms?

Back

Ability to perform photosynthesis.

Front

What are pili?

Back

Hair-like structures on bacteria used for attachment, gliding motility, and DNA transfer.

Front

Which statement is NOT true about pili?

Back

They cause the bacteria to move in a run and tumble motion.

Front

Who developed a set of guidelines for determining a specific microbe caused a specific disease?

Back

Robert Koch.

Front

What is resolution in microscopy?

Back

The ability to distinguish closely spaced objects.

Front

What is magnification in microscopy?

Back

The process of enlarging the appearance of an object.

Front

What type of bond is formed by shared electrons between two atoms?

Back

Covalent bond.

Front

What is an ionic bond?

Back

A chemical bond formed between two ions with opposite charges.

Front

What is a hydrogen bond?

Back

A weak bond between two molecules resulting from an electrostatic attraction.