Explain why DNA has a leading strand and a lagging strand and how they are replicated. How are the 3' and 5' of a DNA molecule different and which end grow during replication? Explain the process of replication. Why does this process produce identical DNA strands? During DNA replicati...
How are the 3' and 5' of a DNA molecule different and which end grow during replication? Explain step-by-step how DNA replication happens. How does DNA replicate? Describe how DNA replication is initiated, including how the DNA is made accessible for replication, and the molecules that are...
DNA Replication Essential Question: How do enzymes help ensure DNA is copied correctly? Why does DNA replicate? Cells copy genetic information before cell division so that each new cell has a complete set of DNA DNA replication occurs in the nucleus…WHY?? DNA Template How does DNA replicate 1...
Integration: The newly created DNA is carried into the cell's nucleus by the enzyme, viral integrase, and it binds with cell's DNA. HIV DNA is called a provirus. Transcription: The viral DNA in the nucleus separates and creates messenger RNA (mRNA), using the cell's own enzymes. The ...
Adenosine triphosphate, or ATP, is a molecule produced during the healthy cellular function that provides energy to power the activity of living cells. ATP measurement is another type of metabolic analysis that tracks the generation of ATP or the presence of byproducts of A...
M. Type II DNA topoisomerases: enzymes that can unknot a topologically knotted DNA molecule via a reversible double-strand break. Cell 19, 697–707 (1980). Article CAS PubMed Google Scholar Brown, P. O. & Cozzarelli, N. R. A sign inversion mechanism for enzymatic supercoiling of DNA....
A DNA molecule can be linear – as in the case of humanchromosomes– or circular. Examples of circular DNA molecules include bacterial chromosomes and human mitochondrial DNA. If the DNA molecule is circular, then cellular processes such as replication maytie DNA into knotsorlinks, like rings in...
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Explain the mechanism by which DNA is replicated. How do DNA and RNA store genetic information? How did RNA and DNA end up together in living things? Describe the steps for DNA processing. How are genes transcribed in eukaryotes? How do cells use the base sequence of a DNA molecule to pr...
How does the structure of DNA explain its ability to pass genetic information on to offspring? Be specific. What is the role of DNA? Be specific. What is the significance of mitochondrial DNA? Discuss how the shape of a DNA molecule impacts specific functions of DNA. ...