Get Ready for the DNA Test Worksheet - MrHaskellBiology

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Dec 12, 2012 (4 years and 4 months ago)

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Get Ready for the DNA Test Worksheet

Name_______________________________________ Per____ Score_______



1
.

Molecules of DNA are composed of long chains of

what?


2
.

the

molecule
s


describe in question one is made of three parts what are they
?




3
.

describe the three parts of DNA replication.


1.


2


3



4
.

What are the four nitrogen bases in DNA?




5.

The function of rRNA is to

do what?




6.

The amount of guanine in an organism always equals the amount of

___________________.


7.

Who discovered
the shape and structure of DNA?



8.

During DNA replication, a complementary strand of DNA is made from each original DNA
strand. Thus, if a portion of the original strand is CCTAGCT, then the new strand will be

what?



9.

What two enzymes are used in DNA
replication
?




10.

The enzymes responsible for adding nucleotides to the exposed DNA bases during replication
are

is what?



11.

The enzymes that unwind DNA during replication are called



12.

Describe what transcription is?



13.

RNA differs from DNA in
what three ways?


1


2


3



14.

The complimentary nucleotides
in DNA

are bonded together by what kind of bond?


15.

In RNA molecules, adenine is complementary to

____________________________.



16.

What are the three kinds of R
NA?



17.

During
transcription, the genetic information for making a protein is “rewritten” as a molecule
of

what?



18.

Transcription begins when RNA polymerase

does what?



19.

Each nucleotide triplet in mRNA that specifies a particular amino acid is called a

what?




20
.

At the very beginning of translation, the first tRNA molecule

binds to what?



21
.

A mutation caused by a piece of DNA breaking away from its chrom
osome and becoming
attached
to the

wrong chromosome

is called

what?



22
.

What amino acids are made from a

piece of mRNA with the sequence
AUG
AAGUGCUUC?




23
.

The anticodons for the codons in the mRNA with the sequence CUCAAGUGCUUC are

what?



24
.

If
a

mRNA strand
read
CUCAAGUGCUUC
what would the DNA strand be like
?




25
.

Suppose that you are given a protein

containing the following seq
uence of amino acids:

tyrosine


proline
-

aspartic acid
-

isoleucine
-

cysteine.
Write one possible mRNA sequence for
that amino acid sequence.



26.

What is the job of

Transfer RNA



27
.

What would the amino acid sequence be if you have a DNA sequence of
agtacccatgcactc?



28
.

What cause
Down

syndrome?



29
.

Which disease is caused by a problem in the regulation of
sugar in the blood
?



30
.

The goal of the Human Genome Project was to

do what?


31
.

Name two things that scientist learned from doing the

Human Genome Project?




32
.

DNA fingerprinting is used in criminal investigations for
what
reason
?




33
.

A strand of DNA formed by the combining DNA from two different species is called

what?



34
.

Genetic engineering
is what?



35
.

The use of genetic engineering to transfer
a
human
insulin
gene

into bacteria

enables the
bacteria to produce what?



36
.

How is r
ecombinant DNA
formed?



37
.

What

is cloning?



38
.

What are s
tem cells
and
why are they valuable medical research?



39
.

What happens to
pigs

that have had the gene from
florescent jelly fish
?




40
.

Explain how genetic engineering is used to make insulin.



41
.

What are

mutations
?



42. Explain the difference between germ
mutations and somatic mutations.



43.

An organism that has been given a new gene through genetic engineering can be called
what?



44. Explain what non
-
disjunction is.



45. What kind of molecule is this?