How do DNA and RNA differ?
Answer: DNA is double stranded, has thymine, has sugar deoxyribose, and can not leave the nucleus. RNA is single stranded, has uracil instead of thymine, has sugar ribose, and can leave the nucleus.
DNA
- How is the correct DNA strand chosen for the template for the process of transcription?
- What is transcription, and where does it take place?
- Why do retroviruses not follow the central dogma?
- How does single stranded RNA replicate?
- Ribosomes are a collection of ___ that are needed for ___.
- What does the central dogma say?
- Describe the different types of RNA.
- What is PCR (polymerase chain reaction)?
- What are telomeres?
- The ___ function of DNA polymerase reduces the number of mistakes by the square of the frequency of the error rate.
- What is the enzyme found in 90% of human cancers and may be responsible for the continuous division of cancer cells?
- What makes the first repair of mistakes during DNA replication?
- Why don't cells last the entire lifetime of an organism?
- How does DNA replication differ between bacteria and eukaryotes?
- What is the order of synthesis of the lagging strand in replication?
- In what direction is the new DNA strand synthesized during replication?
- Why is RNA incorporated into the DNA molecule during DNA replication?
- From where does the energy necessary for making a DNA molecule come?
- At the end of DNA replication, two DNA molecules are produced, each one consisting of a parental strand and a new strand. What type of replication is this?
- What are mutations?
- What characteristic of DNA allows it to replicate and to do transcription?
- The two strands of DNA are antiparallel. What does this mean?
- What accounts for the uniform diameter of DNA?
- Describe the molecular architecture of DNA.