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WorksheetsGenetics Study Guide
Total questions: 29
Worksheet time: 7hrs 15mins
Summarize the processes of transcription and translation resulting in the expression of a particular gene.
The genetic information carried by DNA is transcribed into code that is carried by RNA which is transcripted into a specific protein that determines a phenotype.
The genetic information carried by DNA is transcribed into code that is carried by RNA which is transcripted into a specific protein that determines a genotype.
The genetic information carried by RNA is transcribed into code that is carried by DNA which is transcripted into a specific protein that determines a phenotype.
The genetic information carried by RNA is transcribed into code that is carried by DNA which is transcripted into a specific protein that determines a genotype.
Describe the process shown at step 1
4 new MRNA is produced during transcription
4 new DNA is produced during transcription
4 new RNA is produced during transcription
4 new TRNA is produced during transcription
How is the genetic code universal in all organisms?
A DNA sequence codes for the same proteins in different species
A MRNA sequence codes for the same proteins in different species
A RNA sequence codes for the same proteins in different species
A TRNA sequence codes for the same proteins in different species
What carries the amino acids to the side of protein synthesis?
TRNA
RNA
MRNA
DNA
A scientist puts a nucleotide chain of UUUUUU in a test tube under conditions that allow for protein synthesis. Soon the tube is full of polypeptide chains of ONLY ONE amino acid, phenylalanine. What does this experiment
UUUUUU codes for amino acids phenylalanine.
UUUUUU codes for amino acids polypeptide.
UUUUUU codes for nitrogen bases phenylalanine.
UUUUUU codes for nitrogen bases polypeptide.
How many amino acids are coded for in the following DNA
DNA sequence? 5' ATCAGCGCTGGC 3'
4
5
3
2
What process is shown at point Z?
Translation
Transcription
Mitosis
Meiosis
Which DNA segment contains an error?
Segment 1 Segment 2
T-A-G-G-C G-A-T-T-A
A-T-C-C-G C-C-A-A-T
Segment 1
Segment 2
When changing DNA to RNA, the segment is read how many letters at a time?
3 bases at a time in the same direction
1 bases at a time in the same direction
2 bases at a time in the same direction
4 bases at a time in the same direction
What is the sequence for the transfer of information in most organisms?
DNA to RNA to Proteins
RNA to DNA to Proteins
DNA to MRNA to Proteins
MRNA to DNA to Proteins
What happens during translation?
The cell uses a messenger RNA code to make proteins
The cell uses a messenger DNA code to make proteins
The cell uses a messenger TRNA code to make proteins
The cell uses a messenger MRNA code to make proteins
From what molecule is mRNA transcribed?
DNA
MRNA
TRNA
RNA
Which type of RNA brings the information in the genetic code from the nucleus to other parts of the cell?
mRNA
tRNA
DNA
RNA
Considering the base pairs, what do DNA and RNA each have that is different?
DNA- Thymine
RNA- Uracil
DNA- Uracil
RNA- Thymine
DNA- Adenine
RNA- Thymine
DNA- Thymine
RNA- Adenine
Where does transcription and translation take place in eukaryotes?
Transcription- nucleus
Translation- cytoplasm
Transcription- cytoplasm
Translation- nucleus
Transcription- cytoplasm
Translation- cytoplasm
Transcription- nucleus
Translation- nucleus
During translation, the type of amino acid that is added to the growing polypeptide depends on….
Codon on the mRNA and anticodon on the tRNA
Codon on the RNA and anticodon on the RNA
Codon on the DNA and anticodon on the RNA
Codon on the DNA and anticodon on the tRNA
True or False: If there are 64 codons and 20 amino acids, can several different codons specify the same amino acid?
True
False
During eukaryotic transcription, the molecule that is formed is…
Complementary to part of one strand of DNA
Complementary to part of one strand of RNA
Complementary to part of one strand of tRNA
Complementary to part of one strand of mRNA
What is produced during transcription?
RNA Molecule
DNA Molecule
tRNA Molecule
mRNA Molecule
You can determine a molecule is RNA if it contains what?
Uracil
Cytosine
Adenine
Guanine
What is found in both DNA and RNA?
Phosphate group, guanine, cytosine and adenine
Phosphate group, thymine, cytosine and adenine
Phosphate group, uracil, cytosine and adenine
Guanine, cytosine and adenine
During DNA replication, a DNA strand has the bases CTAGGT, what will be produced?
GATCCA
CTAGGT
CATCCA
GATCGA
Based on this graph, Chargaff’s rule, the percentage of guanine bases in the chickens DNA should be?
Around 21.5%
Around 19.9%
Around 29.4%
Around 28.8%
Around 13.4%
What is a nucleotide in DNA made of?
Deoxyribose, phosphate group and either A, T, C, G
Deoxyribose, phosphate group and either A, T, C, U
Deoxyribose, phosphate group and either A, T, C, G, U
Deoxyribose & phosphate group
What happens when a piece of DNA is missing?
Genetic information is lost
Genetic information is gained
Genetic information dies
At what point in the cell cycle does DNA replication occur and why?
Before a cell divides, to provide each of the two resulting cells with a complete set of DNA instructions
After a cell divides, to provide each of the two resulting cells with a complete set of DNA instructions
Before a cell divides, to provide each of the two resulting cells with a complete set of RNA instructions
After a cell divides, to provide each of the two resulting cells with a complete set of RNA instructions
What is adding base pairs to the strand?
DNA Polymerase
RNA Polymerase
mRNA Polymerase
tRNA Polymerase
DNA replication results in two DNA molecules that contain..
One new strand and one original strand
One new strand and 2 original strand
2 new strand and 1 original strand
2 new strand and 2 original strand
Because of DNA base paring, the percentage of
Thymine and adenine are equal
Guanine and adenine are equal
Cytosine and adenine are equal
Uracil and adenine are equal
