bio 207 final (sharma) UPDATED ACTUAL
Exam Questions and CORRECT Answers
infectious protein particles are called... - CORRECT ANSWER - prions
viruses that infect bacteria are specifically called... - CORRECT ANSWER -
bacteriophages
all of the following are lipids except:
wax/starch/cholesterol/phospholipid/triglyceride - CORRECT ANSWER - starch
host range is limited by... - CORRECT ANSWER - type of host cell receptors on cell
membrane
mammalian viruses capable of starting tumors are... - CORRECT ANSWER - oncoviruses
viral nucleic acids include which of the following? single rna/double dna/single dna/double
rna/all of the above - CORRECT ANSWER - all the choices are correct
all of the following are monosaccharides except: glycogen/ribose/glucose/fructose/deoxyribose -
CORRECT ANSWER - glycogen
the core of every virus particle always contains... - CORRECT ANSWER - either dna or
rna
cells, like bacteria and archaea, that do not have a nucleus in their cells have traditionally been
called... - CORRECT ANSWER - prokaryotes
which of the following is not true of the outer membrane? - CORRECT ANSWER - gram-
positive bacteria have an outer membrane
,the bacterial chromosome... - CORRECT ANSWER - is part of the nucleoid
a client has a serious case of the flu. a random sample of sputum was taken from the patient
coughing up blood. the lab tech said they had isolated a bacterium that did not have any
peptidoglycan. you hypothesize that the identity of this microbe could possibly be... - CORRECT
ANSWER - mycoplasma pneumoniae
koch's postulates are criteria used to establish that... - CORRECT ANSWER - a specific
microbe is the cause of a specific disease
plasmids... - CORRECT ANSWER - are often the site of pathogenic genes
the chemical components of ribosomes are proteins and... - CORRECT ANSWER - rRNA
viruses with ____ -sense rna contain the correct message for translation, while viruses with ____
-sense rna must first be converted into a correct message. - CORRECT ANSWER -
positive; negative
host cells of viruses include: plants and fungi/bacteria/protozoa and algae/humans and other
animals/all of the above - CORRECT ANSWER - all the choices correct
which scientific field is involved in the identification, classification, and naming of organisms? -
CORRECT ANSWER - taxonomy
a naked virus only has a(n)... - CORRECT ANSWER - nucleocapsid
the dutch merchant who made and used quality magnifying lenses to see and record
microorganisms was... - CORRECT ANSWER - antonie van leewenhoek
, all bacterial cells have... - CORRECT ANSWER - one or more chromosomes
the term that refers to the presence of flagella over the cell surface is... - CORRECT
ANSWER - peritrichous
creutzfield-jacob disease is... - CORRECT ANSWER - a spongiform encephalopathy of
humans
what type of phage enters an inactive prophage stage? - CORRECT ANSWER - temperate
reverse transcriptase synthesizes... - CORRECT ANSWER - dna from rna
which of the following is incorrect about prophages? - CORRECT ANSWER - cause lysis
of host cells
endospores are: resistant to destruction by radiation/metabolically inactive/living
structures/resistant to heat and chemical destruction/all the choices - CORRECT
ANSWER - all the choices are correct
disease-causing microorganisms are called... - CORRECT ANSWER - pathogens
which of the following is a type of cytopathic effect? inclusions in the cytoplasm/cells change
shape/inclusions in the nucleus/multinucleated giant cells/all the choices - CORRECT
ANSWER - all the choices are correct
eukaryotic chromosomes differ from bacterial chromosomes because only eukaryotes have:
several to many chromosome/chromosomes in a nucleus/elongated, not circular,
chromosomes/histone proteins/all the choices - CORRECT ANSWER - all the choices are
correct
Exam Questions and CORRECT Answers
infectious protein particles are called... - CORRECT ANSWER - prions
viruses that infect bacteria are specifically called... - CORRECT ANSWER -
bacteriophages
all of the following are lipids except:
wax/starch/cholesterol/phospholipid/triglyceride - CORRECT ANSWER - starch
host range is limited by... - CORRECT ANSWER - type of host cell receptors on cell
membrane
mammalian viruses capable of starting tumors are... - CORRECT ANSWER - oncoviruses
viral nucleic acids include which of the following? single rna/double dna/single dna/double
rna/all of the above - CORRECT ANSWER - all the choices are correct
all of the following are monosaccharides except: glycogen/ribose/glucose/fructose/deoxyribose -
CORRECT ANSWER - glycogen
the core of every virus particle always contains... - CORRECT ANSWER - either dna or
rna
cells, like bacteria and archaea, that do not have a nucleus in their cells have traditionally been
called... - CORRECT ANSWER - prokaryotes
which of the following is not true of the outer membrane? - CORRECT ANSWER - gram-
positive bacteria have an outer membrane
,the bacterial chromosome... - CORRECT ANSWER - is part of the nucleoid
a client has a serious case of the flu. a random sample of sputum was taken from the patient
coughing up blood. the lab tech said they had isolated a bacterium that did not have any
peptidoglycan. you hypothesize that the identity of this microbe could possibly be... - CORRECT
ANSWER - mycoplasma pneumoniae
koch's postulates are criteria used to establish that... - CORRECT ANSWER - a specific
microbe is the cause of a specific disease
plasmids... - CORRECT ANSWER - are often the site of pathogenic genes
the chemical components of ribosomes are proteins and... - CORRECT ANSWER - rRNA
viruses with ____ -sense rna contain the correct message for translation, while viruses with ____
-sense rna must first be converted into a correct message. - CORRECT ANSWER -
positive; negative
host cells of viruses include: plants and fungi/bacteria/protozoa and algae/humans and other
animals/all of the above - CORRECT ANSWER - all the choices correct
which scientific field is involved in the identification, classification, and naming of organisms? -
CORRECT ANSWER - taxonomy
a naked virus only has a(n)... - CORRECT ANSWER - nucleocapsid
the dutch merchant who made and used quality magnifying lenses to see and record
microorganisms was... - CORRECT ANSWER - antonie van leewenhoek
, all bacterial cells have... - CORRECT ANSWER - one or more chromosomes
the term that refers to the presence of flagella over the cell surface is... - CORRECT
ANSWER - peritrichous
creutzfield-jacob disease is... - CORRECT ANSWER - a spongiform encephalopathy of
humans
what type of phage enters an inactive prophage stage? - CORRECT ANSWER - temperate
reverse transcriptase synthesizes... - CORRECT ANSWER - dna from rna
which of the following is incorrect about prophages? - CORRECT ANSWER - cause lysis
of host cells
endospores are: resistant to destruction by radiation/metabolically inactive/living
structures/resistant to heat and chemical destruction/all the choices - CORRECT
ANSWER - all the choices are correct
disease-causing microorganisms are called... - CORRECT ANSWER - pathogens
which of the following is a type of cytopathic effect? inclusions in the cytoplasm/cells change
shape/inclusions in the nucleus/multinucleated giant cells/all the choices - CORRECT
ANSWER - all the choices are correct
eukaryotic chromosomes differ from bacterial chromosomes because only eukaryotes have:
several to many chromosome/chromosomes in a nucleus/elongated, not circular,
chromosomes/histone proteins/all the choices - CORRECT ANSWER - all the choices are
correct
