BIOLOGY PRACTICE QUIZ OVER DNA AND RNA
1) Sketch a strand of RNA in the margin, showing all types of molecules in it.
2) Sketch a strand of DNA in the margin, showing all types of molecules in it
3) What are the 3 kinds of RNA?
4) What does the “m” in mRNA stand for?
5) What is the function of mRNA?
6) List 3 differences between DNA and RNA
A)
b)
c)
6) The process of transferring the DNA code to mRNA is called______
b) List three steps of this process
1)
2)
3)
7) Define and describe the following
A) Mutation
B) Factor 8
C) Insulin
D) Hemophilia
8) What are 2 abnormalities caused by homeotic (or hox) mutations in flies?
a)
b)
9) How many genes do you have? __________
10) How similar is human and chimp DNA?_______
11) Why do scientists think much of personality is inherited? Explain
In a sketch of DNA and RNA what does a) D stand for? ________ b) P?________ c)
R?________ D) A?_________ E)T?__________ F) C?________
13) From the DNA “sense strand” given fill in corresponding mRNA strand and the
corresponding protein.
DNA
mRNA
Protein
T A C A T C G G C T A C A G G A T G C A U U C G T A
DNA
A A C A T A C G C C T C A T C A T C T T A C C G G A
mRNA
Protien:
14) The simple molecules which make up a protein are called ____________ and
there are _______ different kinds. 15) An enzyme can __________ chemical
reactions in the body. 16) Identify the function of the following:
KeratinMyosin and actinHemoglobinCollagen17) For letters a-d, tell in which part of the cell the following processes take place.
a) DNA replication__________________________________________
b) transcription______________________________________________
c) Translation________________________________________________
d) Protien synthesis____________________________________________
18) The “m” in the mRNA stands for________
19) The first step in DNA replication is_____________ and the second step
is_____________. What is the final step? _____________________
20) mRNA makes a copy of_________________ so that protein synthesis can occur.
21) A long protein molecule consists of smaller molecules called___________ which
are put together in a part of the cell called the ___________. The genetic code is
“decoded” in a process called_____________.
22) Draw in the appropriate complementary base where it belongs
DNA A G C A T T G G A G T C C T A G A T C G G G A T
RNA
RNA G C U G U A C U A C G C C C A U G C A U A A
DNA
24) What does “met” stand for ?__________
25) Describe the process by which bacteria can be used to make proteins.
26) How many different codons are there?________
27) Describe the type of mutation the following presents:
a) THE SUN SET REX_____________
b) QTH ESU NSE TRE D____________
c) HES UNS ETR ED ______________
28) Which type of mutation is least harmful and
why?________________________________________________________________
29) DNA’s structure was discovered in _________by
_______________and___________
30) What is the function of the following:
A) ER
B) Ribosome?
C) Nucleus?
31) Draw a double helix
32) Which protein is identical in humans and chimps?_____________
33) Describe and explain the work of Watson and Crick.
34) Explain the following:
A) tRNA
B) anticodon
C) rRNA,
D) DNA polymerase
E) nucleotide
F) polymer
G) restriction enzymes
H) helicase
I) RNA polymerase
J) plasmid
K) E. Coli
L) tPA
M) transformation
N) R strain
O) S strain
P) capsule