Micro Lecture 7

Question 1

Viruses are ultramicroscopic but they are multicellular.

True or False

Answer 1

FALSE.

Viruses are ACELLULAR.

Question 2

A virus particle is also called a ________.

Answer 2

Virion

Question 3

Viruses are obligate parasites, thus they are capable of replication without the help of the host.

True or False

Answer 3

FALSE

Viruses are obligate parasites, which makes them incapable of replication unless they are occupying an appropriate living host.

Question 4

The microscope used to view ultramicroscopic entities.

Answer 4

Electron Microscope

Question 5

Viruses are alive and they are made of cells.

True or False

Answer 5

FALSE

Viruses are not alive and they are not made of cells.

Question 6

The ___________ is the external protein coating of a virus.

Answer 6

Capsid

Question 7

The nucleic acid core of a virus is made up of 1 or more nucleic acid strand of both DNA and RNA.

True or False

Answer 7

FALSE

Viruses can have either DNA and RNA, but never both at the same time.

Question 8

The capsid coat of the virus may be enclosed in a lipid envelope.

True or False

Answer 8

TRUE

Question 9

The host of bacteriophages.

Answer 9

Bacteria

Question 10

The _________________ classifies viruses according to their genome.

Answer 10

The Baltimore classification system.

Question 11

The ___________ classifies viruses into families and genera based on viral genetics, chemistry, morphology, and mechanism of multiplication.

Answer 11

International Committee on the Taxonomy of Viruses.