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CP Biology Chapter 12 TEST Flashcards | StudBud
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CP Biology Chapter 12 TEST
CP Biology Chapter 12 TEST
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Preparing for the test on DNA
Flashcards
62 cards
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Practice quiz
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Questions
62
Answers
1
Which scientist discovered bacterial Transformation?
Levene
Griffith
Crick
Avery
2
What molecule part is #1 pointing to?
Sugar
Hydrogen Bonds
Nitrogen bases
Phosphates
3
Which enzyme proofreads the replicated DNA molecule
polymerase
topoisomerase
helicase
ligase
4
Where in the cell does transcription begin?
cytoplasm
nucleus
ribosomes
Cell Wall
5
What are the sections of the ladder called where the bonds are broken and move apart?
Helicase
Origin
Replication Foork
Replication fork
6
Who build the first DNA model?
Watson and Chase
Watson and Crick
Levene and Watson
Hershey and Crick
7
Who discovered that DNA is made of nucleotides?
Hershey
Levene
Griffith
Avery
8
Where is DNA found in Bacteria?
Nucleus
Mitochondria
Chromosomes
Cytoplasm
9
Which is NOT a Nitrogen base for RNA?
Guanine
Adenine
Cytosine
Thymine
10
What did Avery study to determine that DNA was the transforming principle?
humans
bacteria
mice
viruses
11
Which type of Pneumonia was deadly in mice?
Streptococci
Smoth
Rough
Smooth
12
Segments of DNA that carrier a code for a protein are called?
Jeans
Genes
Chromosomes
DNA molecules
13
What does tRNA do?
Makes amino acids
Breaks apart protein
Arranges the Amino Acids in the correct order
Puts the amino acids in alphabetical order
14
What technique did Franklin use to get Photo 51?
radioactive labeling
isotopes
X-Ray diffraction
bacterial transformation
15
The average number of genes in humans is ?
148 million
52 million
10
75,000
16
What enzyme reconnects the nitrogen bases into a new molecule?
Helicase
Ligase
Polymerase
Topoisomerase
17
Which process in eukaryotes provides genetic variation?
Mitosis
Binary Fission
Replication
Meiosis
18
Which of the following is NOT part of a nucleotide?
Hydrogen Bond
Sugar
Nitrogen Base
Phosphate
19
Which 2 bases are included in the pryimidines?
G and C
A and G
T and A
T and C
20
A single DNA molecule takes how long to replicate?
10 hours
50 seconds
4 hours
1 hour
21
Avery determined what was the transforming principle on bacteria?
RNA
Capsules
Cytoplasm
DNA
22
When a change occurs at several locations along the molecule, what type of mutation occurs?
Insertion
Point
Deletion
23
What part of the DNA ladder is exactly the same in every single organism?
Sugar Ribose
Steps (Nitrogen Bases)
Railings (Backbones)
24
What is rRNA's job?
To make the mRNA code
To take the DNA message from the nucleus to all other organelles
Help put the amino acids in the correct order
Read the message that the mRNA codes for.
25
What is the concept where genetic material of any organism from 1 generation can be passed onto offspring is?
Segregation
Biology
Transforming Principle
Bacterial Transformation
26
What process does mRNA allow to occur?
Transformation
Replication
Transcription
Translation
27
The smooth bacteria that was deadly to the mice had what part the rough did not?
Nuclei
Capsule
Cytoplasm
Cell Wall
28
How many origins are there in a prokaryotic cell?
Many
78
Millions
1
29
How many different kinds of amino acids are in your body?
22
20
148
3
30
Which of the following was NOT able to be determined by looking at photo 51?
The distance between the railings (backbones)
How many sides it had
It's shape
Which bases connected to each other
31
Why does polymerase work on the leading strand faster than the lagging strand?
only works in the 3' to 5' direction
Is a leader
only works in the 5' to 3' direction
only works uphill
32
When the code is translated, what is determined?
Nucleosomes needed
Proteins needed
Nucleotides needed
Amino Acids needed
33
Which enzyme works ONLY on the lagging strand?
Polymerase
Topoisomerase
Ligase
Helicase
34
Which enzyme actually breaks the hydrogen bonds?
Topoisomerase
Ligase
Polymerase
Helicase
35
What are the proteins called that help supercoil DNA?
Sugars
Phosphates
Histones
Nucleosomes
36
What is the 5' - 3' side of the DNA molecule called?
slow strand
leading strand
lagging strand
37
Why does DNA have to be supercoiled?
To fit in the nucleus
To make people dizzy
To make energy
To work correct
38
What charge do the phosphates have on the DNA molecule?
0
+
-
39
The sequence of base pairs that determine the amino acids is called a?
Anion
Cation
Codon
Coden
40
The theory that says 1 side of a replicated DNA strand is old and the other side is new is?
SemiDNA replication
New vs Old Strands
Semiconservative Replication
Transforming priniciple
41
Human's closest genetic relative is the?
Resis monkey
Panda Bear
Chimpanzee
Dolphin
42
How many base pairs determine an amino acid?
5
3
6
1
43
Who actually named the shape of DNA the Double Helix?
Crick
Levene
Pauling
Watson
44
When mutations in this body happen they are more likely to be passed onto the babies?
Body Cells
Cells of the toe
Sex cells
Brain cells
45
Which side of the DNA molecule replicates slower?
3' - 5'
Left Side
leading
5' - 3'
46
Who said A=T and C=G?
Hershey
Chargaffe
Chargaff
Franklin
47
Hershey and Chase proved Avery's discovery by using what to trace the DNA?
MRIs
Dye
X-Rays
Radioactive labeling
48
What is the sugar in DNA?
Phosphate
Deoxyribose
Deoxyribonucleic
Ribose
49
What makes all of our DNA different?
number of Carbons
Order of Nitrogen Bases
order of sugars
Order of phosphates
50
The substance formed between the phosphate and the histone is called the?
diffraction
nucleosome
nucelotide
nucleic acid
51
What is the spot called where Helicase STARTS working?
Ligase
Binary Fission
Meiosis
Origin
52
What type of bond holds together the nitrogen bases?
Covalent
Polar
Ionic
Hydrogen
53
Why was A=T and C=G?
They were dating
They looked similar
They had opposite charges
Their shapes fit together
54
What is RNA's job?
Bring the DNA message to all the organelles
Makes protiens
Put the amino acids in the correct order
Make the life code
55
There are an average of ?? million nucleotides in a DNA strand?
10,000,000
75,000
51 million
148
56
If polymerase can not fix an error, what other substances are called in to try?
Ligase and Primase
Cyclin and Kinase
polymerase I and polymerase II
Cyclin and Helicase
57
What did Photo 51 show?
Where the ribose was
DNA is double sided
Where the Phosphate was
How the Hydrogen bond worked
58
If a mistake is not fixed, what results?
Replication fork repeats
Mitosis
mutations
Death
59
Which enzyme relaxes the double helix?
Topoisomerase
Ligase
Polymerase
Helicase
60
Who took Photo 51?
Franklin
Watson
Levene
Chargaff
61
What substance translated the codon code?
tRNA
rRNA
pRNA
mRNA
62
Which enzyme reconnects the okazaki fragments into 1 big piece?
Polymerase
Helicase
Topoisomerase
Ligase
