DNA or RNA Structure
DNA Replication
Transcription
Translation
Mutations/ Mix
100
What scientist (s) discovered the DNA is genetic material?
Hershey and Chase
100
What is true about the elongation of the lagging strand during replication?
A. does not require a template strand
B. produces Okazaki fragments
C. is created continuously
D. uses RNA ligase
B. produces Okazaki fragments
100
What would be the DNA strand of the following mRNA molecule?
CUCAAGUGCUUC
GAGTTCACGAAG
100
What is the central dogma of Biology?
DNA --> RNA --> proteins
100
Which is NOT a type of mutation?
A. insertion
B. deletion
C. substitution
D. RNA interfence
D. RNA interfence
200
Does DNA or RNA contain the base uracil and the sugar ribose?
RNA
200
What enzyme is responsible for unwinding the DNA strand to begin replication?
helicase
200
T or F: During transcription, the information on a DNA molecule is used to create an mRNA molecule.
True
200
What is a nucleotide triplet (3) in mRNA that specifies an amino acid?
A. mutagin
B. anticodon
C. Codon
D. exon
C. codon
200
What are the substances the cause mutations called?
A. mutagens
B. codons
C. carcinogens
D. things
mutagens
300
What is labeled E?
deoxyribose sugar
300
What enzyme bonds nucleotides to the new DNA strand during replication?
A. helicase
B. DNA polymerase
C. ligase
D. primase
DNA polymerase
300
What is transcription?
A. when mRNA attaches to a ribosome and produces a protein
B. when DNA is replicated
C. when mRNA is synthesized from DNA
D. when mRNA is packaged and sent outside the nucleus
C. when mRNA is synthesized from DNA
300
T or F: Transfer RNA is the type of RNA that associates with proteins to form ribosomes while ribosomal RNA is the type of RNA that transports amino acids to the ribosome.
False
300
Which is a deletion of the following strand of DNA?
5' AGGATCACCG 3'
A. 3' TCCTAGTGGC 5'
B. 3' AGGATCCCCCCACCG 5'
C. 3' AGGATCACCG 5'
D. 3' ACCACCG 5'
D. 3' ACCACCG 5'
400
What are the three parts of a nucleotide?
a sugar, a phosphate, and a base
400
When DNA is replicated the new strand consists of one parent DNA strand and one new strand. What is this type of replication called?
semi conservative
400
What is RNA?
A. ribonucleic acid; it guides protein synthesis
B. ribosomal nucleolic acid; it guides protein synthesis
C. ribonucleic acid; it guides DNA synthesis
D. ribosomal nucleolic acid; it guides DNA synthesis
A. ribonucleic acid; it guides protein synthesis
400
What is translation?
A. when mRNA is synthesized from a template DNA
B. when mRNA is packaged and processed in the nucleus
C. when mRNA attaches to a ribosome and a protein is produced
D. when DNA is replicated
C. when mRNA attaches to a ribosome and a protein is produced
400
The effects of a mutation can be _________
A. harmful
B. helpful
C. neutral
D. all of the above
D. all of the above
500
What bases are purines and what bases are pyrimidines?
A and G= purines
T and C= pyrimidines
500
What does the synthesis of a new strand of DNA begin with during replication?
a RNA primer
500
Describe the functions of the three types of RNA.
mRNA is a copy of the DNA, rRNA makes up ribosomes where protein synthesis takes place and tRNA carries the amino acids into the ribosomes during translation.
500
5’ ATG CCC GGG CAT TTA GCA TCA ACT
Give the 3' base sequence of the DNA strand from the sequence above.
Give base sequence of the mRNA from the DNA 3’ side of the DNA molecule.
Give the amino acid sequence from the mRNA strand.
Look at the mRNA strand and give the strand of anticodons on the tRNA.
TAC GGG CCC GTA CGT AGT TGA
AUG CCC GGG CAU GCA UCA ACU
MET PRO GLY HIS ALA SER THR
UAC GGG CCC GUA GCU AGU UGA
500
If a section of DNA has 27% thymine, how much guanine will it have?
23%