Pathogens

The scientific name for the organism that causes amoebic dysentery is Entamoeba histolytica. What does histolytica represent in the name?

• Genus

• Species

• Kingdom

• Family

What do prokaryotic cells lack?

• Plasma membrane

• DNA

• Nucleus

• Cytoplasm

Which of the following pathogens are eukaryotic? Select all that apply.

• Fungi

• Helminths (worms)

• Bacteria

• Protozoa

Which of the following terms correctly describes the shape of this bacteria?

• Spirillum

• Spirochete

• Bacillus

• Coccus

When certain species of bacteria encounter stressful conditions, they adapt and protect their genome by forming __________.

• endospores

• flagella

• cell walls

• exotoxins

Tags

NGSS.HS-LS4-4

What does it mean if an organism is a facultative anaerobe?

• It needs oxygen and will die without it

• It is killed by oxygen

• It requires small amounts of oxygen

• It prefers oxygen, but can adapt to no oxygen

Tags

NGSS.HS-LS2-3

What does it mean if an organism is obligate intracellular?

• Typically reproduces outside the host cell, but can adapt to inside the host cell

• Must be inside the host cell to reproduce

• Must be outside the host cell to reproduce

• Can reproduce equally well inside or outside the host cell

What is the correct order for the three stages of bacterial pathogenesis?

• Adherence, colonization, invasion

• Entry, assembly, release

• Colonization, adherence, invasion

• Attachment, genome replication, release

Which of the following does NOT describe exotoxins?

• Highly toxic

• Travel from site of infection and cause damage in other parts of the body

• Binds to specific cells

• Released only when the cell ruptures

ALL viruses have which of the following? Select all that apply.

• Genome

• Envelope

• Capsid

• Cell wall