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What is deoxyribonucleic Acid?
DNA
TERM 2
Where is genetic information of an organism
stored?
DEFINITION 2
in the molecule called DNA
TERM 3
What is a genotype?
DEFINITION 3
it's genetic makeup, is the sequence of the necleotide bases
in its DNA
TERM 4
What is a phenotype?
DEFINITION 4
the organisms specific traits, (PROTEINS & FUNCTIONS)
TERM 5
What is the language of genes written
as?
DEFINITION 5
a sequence of bases along the DNA chain
What is RNA?
Ribonucleic acid
TERM 7
What is RNA?
DEFINITION 7
any nucleic acid whose sugar is RIBOSE
TERM 8
What is the difference between RNA &
DNA?
DEFINITION 8
Rna contains a nitrogenous base called URACIL (U) instead of
the THYMINE in DNA
TERM 9
What is the first step called in protein
synthesis?
DEFINITION 9
Transcription
TERM 10
What is transcription and what step is it?
DEFINITION 10
DNA sequence is converted to form a single-stranded RNA
molecule1st Step
What does Uracil pair with?
adenine
TERM 17
What type of strand does RNA form?
DEFINITION 17
a single strand, sometimes a twisted strand
TERM 18
What type of strand does DNA form?
DEFINITION 18
a double helix strand
TERM 19
What is the structure of DNA?
DEFINITION 19
A-T, C-G
TERM 20
What is the structure for RNA?
DEFINITION 20
A-U, C-G
What shape molecule is DNA?
Double stranded with a long chain of nucleotides
TERM 22
What shape molecule is RNA?
DEFINITION 22
single-stranded- has a shorter chain
TERM 23
What are the sugars in DNA?
DEFINITION 23
Deoxyi ribose
TERM 24
What are the bases in
DNA?
DEFINITION 24
(Four bases)- adenine, guanine, cytosine, THYMINE
TERM 25
What are the bases in
RNA?
DEFINITION 25
(Four bases)- adenine, guanine, cytosine, URACIL
Is RNA synthesized from DNA?
YES
TERM 32
In DNA which bases
pair?
DEFINITION 32
A-T (adenine -Thymine) G-C (Guanine- cytosine)
TERM 33
In RNA which bases
pair?
DEFINITION 33
A-U (Adenine-Uracil) G-C (Guanine- Cytosine)
TERM 34
Where in the cell does transcription occur?
DEFINITION 34
In the nucleus
TERM 35
Where in the cell does translation occur?
DEFINITION 35
In the Ribosomes
What is made in transcription?
mRNA
TERM 37
What is made in
translation?
DEFINITION 37
tRNA
TERM 38
In transcription , what is the RNA molecule
messenger called?
DEFINITION 38
mRNA
TERM 39
What is the messenger RNA transcribed from?
DEFINITION 39
a DNA templet
TERM 40
What enzyme performs in
transcription?
DEFINITION 40
RNA polymerase
What does GCA mean?
ALA
TERM 47
What does CAU mean?
DEFINITION 47
His
TERM 48
What cell organelle is involved in
translation?
DEFINITION 48
Ribosomes
TERM 49
What is the role of tRNA?
DEFINITION 49
translate message to ribosomes and make protein
TERM 50
The translator is
DEFINITION 50
Transfer RNA (tRNA)
What is a change in the normal DNA called?
mutation
TERM 52
What is a mutation?
DEFINITION 52
A change in normal DNA
TERM 53
Are mutations always harmful?
DEFINITION 53
No, some a.a. code for same codons
TERM 54
What happens in a substitution mutation?
DEFINITION 54
a bases is changed
TERM 55
What is it called when a base is
changed?
DEFINITION 55
a substitute mutation
Most eukaryotes genes are controlled?
individually
TERM 62
All nucleotides contain each of the following
except?
DEFINITION 62
protein
