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Biology final

Total questions: 28

Worksheet time: 21mins

Name
Class
Date
1.

viruses obtain and use energy

a)

false

b)

true

2.

do cells respoend to the environment

a)

Depends on the environment

b)

no

c)

yes they do

3.

do viruses change over time

a)

no

b)

yes

c)

sometimes

4.

the genetic code of a virus is both RNA or DNA

a)

true

b)

false

5.

the structue of a cell

(a)  

6.

Viruses are? (pick 2)

a)

can only produce by infecting the living cell

b)

can grow and infect by itself

c)

is non-living

d)

maintain an internal balance

7.

basic characteristics living things share(choose what fits)

a)

are made up of cells

b)

dont grow and develop

c)

cant change over time

d)

they reproduce

e)

they respond to the environment

8.

viruses can can contain RNA as a form of genetic information

a)

true

b)

false

9.

DNA and RNA give the identity of the virus

a)

true

b)

false

10.

viruses can only reproduce by infecting_______?

a)

host cell

b)

living cell

c)

proteins

d)

DNA

11.

what is the protein coat surrounding a virus

a)

tail fibers

b)

Bacteriophage

c)

capsid

d)

prophage

12.

what infection has a virus enter a bacterial cell and makes copies of itself causing the cell to burst

a)

lysogenic

b)

lytic

13.

ex of lytic

(a)  

14.

ex lysogenic infection

(a)  

15.

does reverse transcription only occur in retroviruses

a)

no

b)

yes

16.

unlike prokaryotes, the dna of eukaryotes is lovated directly in the cytoplasm

a)

true

b)

false

17.

Prokaryotes size ranges from

a)

1-5 micrometers

b)

1-5meters

c)

1-3 inches

d)

1-5milimeters

18.

______are unicellular organisims the lack a nucleus

a)

capsule

b)

Eukaryotes

c)

Prokaryotes

d)

Viruses

19.

what is a difference archaea does not have?

a)

cell wall,less protein

b)

cell membrane have less lipids

c)

DNA sequencing

d)

thrive in harsh environments

20.

what processin which cells replicate its dna and then devieds in half to produce 2 identical cells

a)

mitosis

b)

binary fission

c)

fertilization

d)

meiosis

21.

is binary fission ?

a)

sexual

b)

asexual

22.

transfer of DNA between bacteria

a)

mutations

b)

conjugation

23.

Similarities of pro and euk

(ribosomes, cell membrane composed of protiens , dna as bases for their genes, contains a cytoplasm)

a)

true

b)

false

24.

what can exist as unicellular or multicellular

a)

eukaryotes

b)

fungi

c)

protists

d)

Prokaryotes

25.

can protists produce both sexually and asexually?

a)

no

b)

yes

26.

types of movement

(a)  

27.

cillia?

a)

are short and numerous

b)

exchange of genetic material

c)

space inside the bacteria

28.

the switch between a diplood haploid phase

a)

protists

b)

alternation of generation

c)

Photosynthesis