BIOL 2260 Lecture Exam #2 Study Guide 4 - 6:
Viruses, Eukaryotic Microorganisms, & Normal
Biota UPDATED ACTUAL Questions and
CORRECT Answers
What are the characteristics of Viruses attack host cells, are parasitic, only show
viruses? signs of life inside a host, and have a structure that
includes a capsid.
How are viruses classified? Viruses are classified based on their structure, type
of nucleic acid, mode of replication, and host
range.
What is a bacteriophage? A______ is a type of virus that infects and replicates
within bacteria.
What are the replication stages of an The replication stages include attachment,
animal virus? penetration, uncoating, replication, assembly, and
release.
What are the characteristics of Influenza viruses infect humans in different groups
influenza viruses? and exhibit antigenic shift and drift.
What are tumor viruses and what do _____ viruses can cause cancer, and _______ promote
oncogenes do? cell division and can lead to tumor formation.
What are the characteristics of fungi? _______ are non-phototrophic eukaryotes that can
affect various organisms.
, What are the structures of fungi? _____________ structures include hyphae and mycelium;
yeast reproduce by budding.
What types of toxins are produced ___________ can produce mycotoxins, which are toxic
by fungi? compounds harmful to humans and animals.
How are protozoans divided into ______________ are divided into four groups based on their
groups? locomotion: flagellates, amoeboids, ciliates, and
sporozoans.
What are examples of diseases Examples include African sleeping sickness caused
caused by protozoans? by trypanosomes and malaria caused by
Plasmodium.
What are the life cycle terms used in Terms include sporozoite, merozoite, and
sporozoan organisms? gametocyte, which are stages in the life cycle of
malaria-causing organisms.
What are the body sections of a A_____ consists of a scolex (head), neck, and
tapeworm? proglottids (segments). An example is the beef
tapeworm, Taenia saginata.
What do the terms commensalism, Commensalism is a relationship where one
mutualism, and parasitism mean? organism benefits without harming the other,
mutualism benefits both, and parasitism harms one
while benefiting the other.
What is meant by normal biota Normal biota refers to the microorganisms that
(flora)? reside in the body without causing disease, while
opportunist organisms can cause infections under
certain conditions.
Viruses, Eukaryotic Microorganisms, & Normal
Biota UPDATED ACTUAL Questions and
CORRECT Answers
What are the characteristics of Viruses attack host cells, are parasitic, only show
viruses? signs of life inside a host, and have a structure that
includes a capsid.
How are viruses classified? Viruses are classified based on their structure, type
of nucleic acid, mode of replication, and host
range.
What is a bacteriophage? A______ is a type of virus that infects and replicates
within bacteria.
What are the replication stages of an The replication stages include attachment,
animal virus? penetration, uncoating, replication, assembly, and
release.
What are the characteristics of Influenza viruses infect humans in different groups
influenza viruses? and exhibit antigenic shift and drift.
What are tumor viruses and what do _____ viruses can cause cancer, and _______ promote
oncogenes do? cell division and can lead to tumor formation.
What are the characteristics of fungi? _______ are non-phototrophic eukaryotes that can
affect various organisms.
, What are the structures of fungi? _____________ structures include hyphae and mycelium;
yeast reproduce by budding.
What types of toxins are produced ___________ can produce mycotoxins, which are toxic
by fungi? compounds harmful to humans and animals.
How are protozoans divided into ______________ are divided into four groups based on their
groups? locomotion: flagellates, amoeboids, ciliates, and
sporozoans.
What are examples of diseases Examples include African sleeping sickness caused
caused by protozoans? by trypanosomes and malaria caused by
Plasmodium.
What are the life cycle terms used in Terms include sporozoite, merozoite, and
sporozoan organisms? gametocyte, which are stages in the life cycle of
malaria-causing organisms.
What are the body sections of a A_____ consists of a scolex (head), neck, and
tapeworm? proglottids (segments). An example is the beef
tapeworm, Taenia saginata.
What do the terms commensalism, Commensalism is a relationship where one
mutualism, and parasitism mean? organism benefits without harming the other,
mutualism benefits both, and parasitism harms one
while benefiting the other.
What is meant by normal biota Normal biota refers to the microorganisms that
(flora)? reside in the body without causing disease, while
opportunist organisms can cause infections under
certain conditions.
