Chapter 13: Protists, Fungi & Viruses
Which of the following are single-celled organisms that are alive, and can live inside the human body?
Bacteria
How does the size of a bacterium and virus compare?
Bacteria are usually larger than viruses
Viruses that target bacteria are known as:
Bacteriophages
Which of the following is a characteristic of fungi?
Cell wall made of CHITIN
Virus structure
Contains genetic material either DNA or RNA, and a protein coat.
By analyzing DNA, scientists have hypothesized that _____ are evolutionary ancestors of plant-like protists such as red and green algae.
Cyanobacteria
Scientists hypothesize that the evolutionary ancestor of both plants and fungi were:
Protists
Looking through a microscope at a drop of pond water, you see a unicellular organism with a nucleus and chloroplasts. It is most likely a(n):
Protophyta
Which of the following correctly pairs the name with the shape?
Rod-shape: bacillus
Which is a step in the lytic life cycle of a virus?
the host cell explodes
stages of lytic cycle
1) Attachment: Virus infects host cell 2) Penetration: Virus takes over cell functions 3) Biosynthesis: Virus commands host cell to make copies of virus 4) Maturation: Host cell bursts releasing new viruses to infect other cells 5) Release: Some bacteria use restrict. enzymes
What is a virus?
A tiny, nonliving, particle that enters and reproduces inside a living cell.
Lysogenic cycle
A viral reproductive cycle in which the viral DNA is added to the host cell's DNA and is copied along with the host cell's DNA.
Which of the following is a way scientists classify, or organize, viruses?
ALL answers are correct: by who they infect by the shape of their capsid by how they replicate
Of the following, which group(s) of protists is(are) heterotrophs?
Animal-like and Fungus-like
When antibiotics no longer effectively treat a bacterial infection, it is known as:
Antibiotic resistance
Which kingdom contains the oldest known organism found on earth?
Archaebacteria
What is nucleic acid?
DNA and RNA
All of the following can make up a virus, except:
EXCEPT: Cells MAKE UP A VIRUS: envelope capsid nucleic acid
Which of the following correctly pairs the type of protist with the primary source of nutrition?
Fungus-like: absorption
Which of the following CORRECTLY pairs the group of archaebacteria with the environment in which the group lives?
Halophiles: the Great Salt Lake
Which of the following is NOT a disease caused by bacteria?
NOT CAUSED BY BACTERIA: The common cold CAUSED BY BACTERIA: Tuberculosis Cholera Bubonic plague
Which of the following is not a characteristic of all prokaryotes?
NOT Characteristic: Multicellular Characteristics: Unicellular Have a cell wall Have a nucleiod Small in size
Which of the following does not describe plants?
NOT DESCRIBE: Heterotrophic DESCRIBE: Eukaryotic Non-motile Cell wall made of cellulose Photosynthetic
What characteristic does not describe both plants and fungi?
NOT DESCRIBE: Photosynthetic DESCRIBE: Stationary Eukaryotic Mostly multicellular Cell wall
Which of the following is NOT a possible benefit of bacteria and viruses?
NOT POSSIBLE: Helping break down the alcohol in our system POSSIBLE: Fighting other unwanted pathogens and bacteria Helping to digest our food Helping us learn to fight viruses through vaccinations
Which of the following is not a characteristic of all three types of protists?
NOT a Characteristic: Heterotrophic Characteristics: Eukaryotic Mostly aquatic Mostly unicellular Contain a nucleus
What evolutionary development in plants allowed for an increase in the size of the organisms and removed the need for plants to only live in moist environments?
Vascular tissue
Which of the following are particles made of DNA or RNA, a protein coat, and an envelope of fats?
Viruses