mircobio exam 2

Fungi produce which structures for reproduction and multiplication?

• Endospores

• Spores

• Cysts

• Eggs

Which of the following is found in eukaryotic cells but not in bacteria?

• Nucleus

• Mitochondria

• Endoplasmic reticulum

• Lysosomes

• All of the choices are correct

Chitin is a chemical component of the cell walls of ______.

• Protozoa

• Algae

• Fungi

• Bacteria

• All of the choices are correct

The site for ribosomal RNA synthesis is the ______.

• Lysosome

• Nucleolus

• Ribosome

• Nucleus

• Golgi apparatus

The passageways in the nuclear envelope for movement of substances to and from the nucleus and cytoplasm are called nuclear ________.

• Histones

• Chromatin

• Pores

• Endoplasmic reticulum

• Inclusions

Enveloped viruses use glycoproteins called _______ to specifically bind with their host cells

• Capsids

• Tail fibers

• Spikes

• Capsomers

Viruses have all the following except ________.

• Definite shape

• Metabolism

• Genes

• The ability to infect host cells

• Ultramicroscopic size

Virus capsids are made from subunits called ______.

• Capsomeres

• Envelopes

• Prophages

• Spikes

• Peplomers

A naked virus has only a(n) _____.

• Capsid

• Capsomere

• Nucleocapsid

• Envelope

• Antigenic surface

Reverse transcriptase synthesizes ________.

• The positive RNA strand from a negative RNA strand

• A negative RNA strand from a positive RNA strand

• RNA from DNA

• DNA from RNA

• None of the choices are correct