1. What is the basic structure of a DNA nucleotide? What is the basic structure of a molecule of DNA?
Include: How are the carbons on the deoxyribose numbered? What do these numbers have to do with the 5â and 3â designations on a DNA strand?
2. If the sequence of one strand of a DNA molecule is: 5â â TATGC â 3â
Write out the sequence of bases on the complementary strand and indicate which end is 5â vs 3â?
3. DNA is a very stable molecule. What characteristics of its structure make it stable?
4. If 20% of the nitrogenous bases in the DNA of a guinea pig cell is adenine, what percentage is cytosine? Explain your answer. Which experiment/scientist led to this understanding?
1. What is the basic structure of a DNA nucleotide? What is the basic structure of a molecule of DNA?
Include: How are the carbons on the deoxyribose numbered? What do these numbers have to do with the 5â and 3â designations on a DNA strand?
2. If the sequence of one strand of a DNA molecule is: 5â â TATGC â 3â
Write out the sequence of bases on the complementary strand and indicate which end is 5â vs 3â?
3. DNA is a very stable molecule. What characteristics of its structure make it stable?
4. If 20% of the nitrogenous bases in the DNA of a guinea pig cell is adenine, what percentage is cytosine? Explain your answer. Which experiment/scientist led to this understanding?
Related textbook solutions
Related questions
DNA Structure and Function Lab Report
Summary Questions
- Name the three major components of DNA.
- Which nitrogen bases pair within DNA?
- What is the difference between replication, transcription, andtranslation?
- Describe an advantage of genetic engineering.
- List three differences between DNA & RNA.
DNA | RNA |
- If the base sequence on one DNA strand is 3â CCTAGTTAG 5â, whatwill the sequence be on the other strand of the helix duringreplication?
DNA | 3â | C | C | T | A | G | T | T | A | G | 5â |
DNA | 5â | 3â |
- If 3â TGACCCATC 5â serves as the template for transcription,what will be the sequence of nitrogen bases on the newly formed RNAstrand?
DNA | 3â | T | G | A | C | C | C | A | T | C | 5â |
mRNA | 5â | 3â |
- If a mRNA sequence is 3â UAA 5â, give the amino acid coded forduring translation. Refer to the chart in Exercise 5 of theLab.
DNA Structure and Function LabReport
- DNA Structure
- Which two scientists are credited with discovering DNA?
- Name the nitrogen bases that are purines.
- Which nitrogen base pairs with thymine?
- List the three components of a nucleotide.
- DNA Replication
- What is the purpose of DNA replication?
- How many times does replication occur in the life of acell?
- In the Lab, Exercise 2, the original strand on the left had thebases shown below. Input the new bases that correctly pair with theoriginal strand.
Original | New |
C | |
A | |
G | |
T |
- RNA Structure
- Describe the structure and function of RNA.
- Refer to Exercise 3 and record the bases of the RNA strandproduced from the replicated DNA strand.
DNA | RNA |
C | |
A | |
G | |
T |
- Record the differences between DNA and RNA in the tablebelow.
DNA | RNA | |
Sugars | ||
Bases | ||
Strands |
- RNA Synthesis
- The process of assembling RNA is called _________.
- How is replication different from transcription?
- Refer to Exercise 4. Write the letters for the base sequence ofmRNA in the spaces below DNA. Note that the order is reversed;start with the 3â end of the DNA strand and the 5â end of the mRNAstrand. Transcription is DNA to mRNA. Note RNA contains Uracilinstead of Thymine; There is no thymine in RNA.
DNA | 3â | C | G | T | C | G | T | C | C | A | A | T | T | 5â |
mRNA | 5â | 3â |
- Protein Synthesis
- What type of RNA provides amino acids to build polypeptidechains?
- If a mRNA strand has the bases 5â CUC 3â, what amino acid willbe translated? Refer to the printable chart in Exercise 5.
- Where in the cell does translation occur?
- Genes
- What could be the problem if there is a change in the basesequence of a gene as it is passed down to the offspring?
- Give an example of a disorder that results from changes in theamino acid sequence.
- What causes sickle cell anemia?
- Gene Cloning
- What is the function of a plasmid?
- Print the document from Lab, Exercise 6. Complete the activityalong with the video demonstration. Sign, date, and take an imageof your final product and include with this lab report.
