Which 2 molecules form the sides of the DNA ladder?
deoxyribose and adenine
deoxyribose and a hydrogen bond
sugar and the nucleus
deoxyribose (sugar) and phosphate
3. Multiple Choice
30 seconds
1 pt
Which of the following is a nucleotide found in DNA?
ribose + phosphate group + uracil
deoxyribose + phosphate group + uracil
deoxyribose + phosphate group + cytosine
ribose + phosphate group + thymine
4. Multiple Choice
30 seconds
1 pt
Because of base pairing in DNA, the amount of
adenine molecules in DNA is about equal to the amount of guanine molecules.
purines in DNA is much greater than the percentage of pyrimidines.
cytosine molecules in DNA is much greater than the amount of guanine molecules.
pyrimidines in DNA is about equal to the percentage of purines.
5. Multiple Choice
30 seconds
1 pt
During DNA replication, a DNA strand that has the bases CTAGGT produces a strand with the bases
GAUCCA.
AGCTTG.
GATCCA.
TCGAAC.
6. Multiple Choice
30 seconds
1 pt
What happens during the process of translation?
The cell uses information from messenger RNA to produce proteins.
Transfer RNA is made from messenger RNA.
Copies of DNA molecules are made.
Messenger RNA is made from DNA.
7. Multiple Choice
30 seconds
1 pt
What type of macromolecules are DNA and RNA?
Protein
Carbohydrate
Nucleic Acid
Lipid
8. Multiple Choice
30 seconds
1 pt
In eukaryotes, DNA is located in the
cytoplasm
nucleus
cell membrane
ribosome
9. Multiple Choice
30 seconds
1 pt
Which of the following would complement the mRNA strand for CAG (DNA)
CAG
AUG
GUC
UAC
10. Multiple Choice
30 seconds
1 pt
An RNA molecule is
double helix
always double stranded
usually double stranded
single stranded
11. Multiple Choice
30 seconds
1 pt
An mRNA molecule is produced in the step of protein synthesis:
replication
transcription
duplication
translation
12. Multiple Choice
1 minute
1 pt
In mRNA, each codon specifies a particular
nucleotide
amino acid
purine
pyrimidine
13. Multiple Choice
30 seconds
1 pt
All macromolecules are made of building blocks called monomers. What are the building blocks of nucleic acids, like DNA and RNA, called?
nucleotides
nitrogen bases
sugar-phosphate
A-T-C-G
14. Multiple Choice
30 seconds
1 pt
Cells secrete proteins, often as enzymes, that have been directed to be made by the DNA in the nucleus. Which answer shows the path to make a protein?
transfer to RNA, then to amino acids
transcription into RNA, then to amino acids
replication of DNA, then transcription into enzymes
translation into RNA, then replication into DNA
15. Multiple Choice
30 seconds
1 pt
Protein synthesis is a process that uses DNA, RNA and ribosomes to build proteins, The protein are built from their building blocks. What are the building blocks of proteins called?
nucleotides
proteins
amino acids
carbohydrates
16. Multiple Choice
30 seconds
1 pt
Which of the following statements best summarizes the first step of protein synthesis?
mRNA to protein
ribosomes to nucleus
protien to DNA
DNA to mRNA
17. Multiple Choice
30 seconds
1 pt
What is the name given to the first step of protein synthesis?
transcription
translation
translocation
protein synthesis
18. Multiple Choice
30 seconds
1 pt
What is the name of the second step of protein synthesis?
transcription
translation
transportation
protein synthesis
19. Multiple Choice
30 seconds
1 pt
If an mRNA codon is AGU, which of the following would be the appropriate tRNA anticodon or compliment?
TCA
UGA
AGU
UCA
20. Multiple Choice
30 seconds
1 pt
What step in protein synthesis comes before translation?
mRNA is used to make a protein
mRNA is made from DNA
Ribosome makes protein
tRNA connects to mRNA
21. Multiple Choice
30 seconds
1 pt
Which of the following is the complementary mRNA strand for this strand of DNA? ATT-GCG-AGT
UAA-CGC-TCA
UAA-GCG-UCA
UAA-CGC-AGT
UAA-CGC-UCA
22. Multiple Choice
30 seconds
1 pt
Using the codon identify the amino acid sequence: AUG-GGC-ACC-UCA-UGA
MET-GLU-VAL-TYR-STOP
MET-GLY-THR-SER-STOP
MET-SER-THR-GLY-STOP
MET-LYS-ASN-STOP
23. Multiple Choice
1 minute
1 pt
Which of the following can base pair to the following strand? AAG
TTA
CCG
TTC
UUC
24. Multiple Choice
1 minute
1 pt
The process in which DNA is copies itself before a cell divides is called
transcrition
replication
translation
base pairing
25. Multiple Choice
1 minute
1 pt
Which base is normally used in the synthesis of RNA but not in the synthesis of DNA
adenine
cytosine
uracil
guanine
26. Multiple Choice
1 minute
1 pt
A stand of messenger RNA is transcribed from an original DNA. The original bases on the DNA strand were TAC. What is the base sequence on the RNA strand produced from this?
UAG
TAG
CGA
AUG
27. Multiple Choice
1 minute
1 pt
Which of the following is incorrect in comparing DNA to RNA
both molecules are composed of nucleotides
DNA contains deoxyribose while RNA contains ribose
DNA is single stranded while RNA is double stranded
RNA has uracil while DNA has thymine
28. Multiple Choice
2 minutes
1 pt
Use the information provided in the chart below and your knowledge of biology to answer questions which follow. The diagram represents molecular structures involved in protein synthesis. Structure 1 represents
part of a polypeptide chain
a portion of an RNA molecule
a portion of a DNA molecule
the building blocks of proteins
29. Multiple Choice
2 minutes
1 pt
Use the information provided in the chart below and your knowledge of biology to answer questions which follow. The diagram represents molecular structures involved in protein synthesis. The DNA code of aspartic acid is?
CTG
CCT
CCU
CUG
30. Multiple Choice
2 minutes
1 pt
Use the information provided in the chart below and your knowledge of biology to answer questions which follow. The diagram represents molecular structures involved in protein synthesis. Molecule 2 is which type of molecule
DNA
RNA
a polypeptide/protein
a fatty acid
31. Multiple Choice
30 seconds
1 pt
The structure of DNA
Double Helix
SingleHelix
Double Ladder
Single Ladder
32. Multiple Choice
30 seconds
1 pt
Guanine always hydrogen bonds with Cytosine. This is an example of:
Contemplation Proclamation Perspiration
Confusatory Base Maturation
Compligatory Nitrogenase
Complementary Base Pairing
33. Multiple Choice
30 seconds
1 pt
Which of the following best represents the “Central Dogma of Molecular Biology