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WorksheetsBiology final
Total questions: 28
Worksheet time: 21mins
viruses obtain and use energy
false
true
do cells respoend to the environment
Depends on the environment
no
yes they do
do viruses change over time
no
yes
sometimes
the genetic code of a virus is both RNA or DNA
true
false
the structue of a cell
(a)
Viruses are? (pick 2)
can only produce by infecting the living cell
can grow and infect by itself
is non-living
maintain an internal balance
basic characteristics living things share(choose what fits)
are made up of cells
dont grow and develop
cant change over time
they reproduce
they respond to the environment
viruses can can contain RNA as a form of genetic information
true
false
DNA and RNA give the identity of the virus
true
false
viruses can only reproduce by infecting_______?
host cell
living cell
proteins
DNA
what is the protein coat surrounding a virus
tail fibers
Bacteriophage
capsid
prophage
what infection has a virus enter a bacterial cell and makes copies of itself causing the cell to burst
lysogenic
lytic
ex of lytic
(a)
ex lysogenic infection
(a)
does reverse transcription only occur in retroviruses
no
yes
unlike prokaryotes, the dna of eukaryotes is lovated directly in the cytoplasm
true
false
Prokaryotes size ranges from
1-5 micrometers
1-5meters
1-3 inches
1-5milimeters
______are unicellular organisims the lack a nucleus
capsule
Eukaryotes
Prokaryotes
Viruses
what is a difference archaea does not have?
cell wall,less protein
cell membrane have less lipids
DNA sequencing
thrive in harsh environments
what processin which cells replicate its dna and then devieds in half to produce 2 identical cells
mitosis
binary fission
fertilization
meiosis
is binary fission ?
sexual
asexual
transfer of DNA between bacteria
mutations
conjugation
Similarities of pro and euk
(ribosomes, cell membrane composed of protiens , dna as bases for their genes, contains a cytoplasm)
true
false
what can exist as unicellular or multicellular
eukaryotes
fungi
protists
Prokaryotes
can protists produce both sexually and asexually?
no
yes
types of movement
(a)
cillia?
are short and numerous
exchange of genetic material
space inside the bacteria
the switch between a diplood haploid phase
protists
alternation of generation
Photosynthesis
