When treated with Gram stain, Gram-positive bacteria appear what color? Pink or Purple?
What is purple.
100
A virus's DNA or RNA is surrounded by a(n)?
What is a protein coat.
100
Which of the following is NOT found in bacteria? Cell membrane, cell wall, ribosome, or nucleus?
What is a nucleus.
100
At what stage of the Lytic Cycle does a host cell begin producing new viruses? Stage E or Stage C?
What is the stage when the new viral DNA and proteins are produced and assembled.
What is Stage E.
100
During asexual reproduction, the bacteria double in size, copy DNA, & divide to produce two identical daughter cells. What is this type of bacteria reproduction called? Conjugation or Binary Fission?
What is binary fission.
200
Bacteria recycles nutrients and carries out photosynthesis. What other role does bacteria play in the environment?
What is digesting pollutants.
200
Which of the following would a physician NOT do to protect against a spread of a viral disease? Prescribe an antiobiotic, administer a vaccination, or encourage good teeth brushing?
What is used to prescribe an antiobiotic.
200
You find an organism near the surface of a shining lake. Is this organism a photoautotroph or chemoautotroph?
What is a photoautotroph.
200
There is a stage of the Lytic cycle when virus injects its DNA into a host cell. What stage is this (by letter)? Stage G, or Stage A?
What is Stage G.
What is the stage when the virus attaches to a host cell and injects DNA.
200
Why is reproduction by conjugation the likely key in the long term success of bacteria? Is it due to variation or luck?
What is variation.
What is adaptation.
300
What are bacteria that cause disease called? Pathogens, endospores or viruses?
What are pathogens.
300
Viruses cause infection by producing new bacteria. Is this statement true or false?
What is false.
300
This structure propels bacteria forward.
What is flagella.
300
Which letter in the Lysogenic cycle indicates the stage at which the viral DNA becomes a part of the host cell's DNA? Stage A or Stage C?
What stage is viral DNA inserting itself into the bacterial chromosomes.
What is stage C.
300
What is sexual reproduction (in which bacteria temporarily join and exchange DNA) called? Conjugation or Binary fission?
What is conjugation.
400
Someone needs to find out what kind of a cell wall a prokaryote has. What is this method called?
What is gram staining.
400
What are the two basic ways in which viruses can reproduce?
What is the Lytic Cycle and Lysogenic cycle.
400
What are organisms called that live in extreme environments (like the bottom of the ocean near hydrothermal vents)? Plants or Archaeabacteria?
What are Archaeabacteria.
400
Look at BOTH cycles (the Lysogenic and Lytic cycles). During which cycle is the virus reproduced along with the host cell?
What is the Lysogenic cycle.
400
Where do bacteria live and reproduce?
What is everywhere.
500
Some bacteria can survive extended periods of very harsh conditions by forming which of the following: Pili, flagella, plasmids, or endospores?
What are endospores.
500
A virus is reproducing independently inside the body. What type of infection is this?
What is a viral infection.
What causes a virus infection.
500
A sewage worker uses bacteria to break down organic matter in the sewage sludge. A oil refinery uses bacteria to clean up oil spills. A mining company uses bacteria to remove toxic substances from old mining sites. What are these examples of?
What is bioremediation.
500
Look at BOTH cycles (the Lytic cycle and Lysogenic cycle). During which cycle is the host cell destroyed?
What is the lytic cycle.
500
In the right conditions, bacteria can completely reproduce themselves from 1 to 2 cells in how many minutes?