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12 Biology - Molecular biology basics Flashcards | StudBud
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12 Biology - Molecular biology basics
12 Biology - Molecular biology basics
20 terms
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Review for Biology #dna #molecularbiology #rna
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Questions
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Answers
1
Which is a false statement regarding DNA?
double stranded
Can leave the nucleus
contains deoxyribose sugar
Contains A, C, T & G
2
In the DNA backbone, phosphate combines to carbon number -
5
2
1
3
3
What is the name of an enzyme that cuts a DNA at specific sequences?
Primase
Restriction Endonuclease
Helicase
Polymerase
4
What stage of DNA replication is seen below?
initiation
elongation
proof reading
termination
5
Which process results in the formation of a peptide bond between amino acids?
Translation
Fertilization
Transcription
Replication
6
This process is known as....
Dispersive
Conservative
Translation
Semi-conservative
7
Who's rule is illustrated below?
Watson
Chargaff
Mendel
Franklin
8
What process is occuring in this picture?
Protein synthesis
DNA replication
Transcription
Translation
9
What molecule is this?
tRNA
rRNA
DNA
mRNA
10
What type of mutation is occuring here?
Point mutation - nonsense
Point mutation - silent
Chromosomal
Point mutation - missense
11
In the DNA backbone, guanine combines to carbon number -
1
4
2
3
12
What type of mutation is this?
Point Mutation - Nonsense
Chromosomal
Point Mutation - different protein
Point Mutation - Silent
13
This is NOT a step in processing RNA
transcription
capping
splicing
polyadenylation
14
Transcription occurs in the
cytoplasm
nucleus
ribosome
lysosome
15
DNA is missing an oxygen on
carbon 4
carbon 2
carbon 3
base
16
What can seperate DNA fragments of differing sizes and can be used to make a DNA finger print?
Endonucleases
Recominant DNA
Gel Electrophoresis
PCR
17
What technology can be used to make millions of copies of a piece of DNA?
Restriction Endonucleases
GMF's
PCR
Gel Electrophoresis
18
Proteins are divided into separate functional units known as
sections
domains
units
codons
19
What molecule is this below?
mRNA
rRNA
DNA
tRNA
20
Which nitrogen base is not found in RNA?
C
T
G
A