EXAM 1 BIOS 242- CHAMBERLAIN
EXAM 1 BIOS 242- CHAMBERLAIN – UPDATED Questions with
100% Verified Answers
BIOS 242
EXAM 1 BIOS 242- CHAMBERLAIN
Q1 DNA is replicated in the ___
A nucleus
Q2 RNA is replicated in the ___
A cytoplasm
Q3 what are the four types of archaea?
A methanogens, hyperthemophile, psychrophile, halophiles
Q4 during a gram stain, the presence of ____ gives a purple stain
A peptidolgycan
Q5 what do gram negative bacteria have
A porin proteins, lipopolysaccharide-phospholipid outer membrane surrounding a thin
peptidoglycan layer.
Q6 what do gram positive bacteria have
A lipoteichoic acid with thick peptidoglycan cell wall
Q7 what is fimbriae used for?
A adhesion
Q8 what is pilus used for?
A mating/conjugation
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, EXAM 1 BIOS 242- CHAMBERLAIN
Q9 what is flagella used for?
A movement
Q10 what is cilia used for?
A movement
Q11 what are the benefits about fungi?
A used for antibiotics, food products such as yeast and alcohol, and decomposition which puts
nutrients back into environment
Q12 what are the bad things about fungi?
A contamination
Q13 what are the characteristics of fungi?
A dimorphic, eukaryotes, have cell walls, are heterotrophs that feed by absorbing their food
Q14 who invented penicillin?
A Alexander Fleming
Q15 what is agar used for?
A it creates a solid surface for bacterial growth
Q16 how did Louis Pasteur disprove spontaneous generation?
A because the flask with the swan neck was sterile and the broken neck had microbes in it
meaning that microbes do not randomly spawn
Q17 what are the two types viruses can be?
A naked and enveloped
Q18 what is an enveloped virus?
Page 2
EXAM 1 BIOS 242- CHAMBERLAIN – UPDATED Questions with
100% Verified Answers
BIOS 242
EXAM 1 BIOS 242- CHAMBERLAIN
Q1 DNA is replicated in the ___
A nucleus
Q2 RNA is replicated in the ___
A cytoplasm
Q3 what are the four types of archaea?
A methanogens, hyperthemophile, psychrophile, halophiles
Q4 during a gram stain, the presence of ____ gives a purple stain
A peptidolgycan
Q5 what do gram negative bacteria have
A porin proteins, lipopolysaccharide-phospholipid outer membrane surrounding a thin
peptidoglycan layer.
Q6 what do gram positive bacteria have
A lipoteichoic acid with thick peptidoglycan cell wall
Q7 what is fimbriae used for?
A adhesion
Q8 what is pilus used for?
A mating/conjugation
Page 1
, EXAM 1 BIOS 242- CHAMBERLAIN
Q9 what is flagella used for?
A movement
Q10 what is cilia used for?
A movement
Q11 what are the benefits about fungi?
A used for antibiotics, food products such as yeast and alcohol, and decomposition which puts
nutrients back into environment
Q12 what are the bad things about fungi?
A contamination
Q13 what are the characteristics of fungi?
A dimorphic, eukaryotes, have cell walls, are heterotrophs that feed by absorbing their food
Q14 who invented penicillin?
A Alexander Fleming
Q15 what is agar used for?
A it creates a solid surface for bacterial growth
Q16 how did Louis Pasteur disprove spontaneous generation?
A because the flask with the swan neck was sterile and the broken neck had microbes in it
meaning that microbes do not randomly spawn
Q17 what are the two types viruses can be?
A naked and enveloped
Q18 what is an enveloped virus?
Page 2
