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What phase does DNA is all spread out as chromatin and nuclear membrane is visible?
PROPHASE
In a gel electrophoresis's why are the lines closer together when the DNA strands are heavier?
Because the DNA cannot travel very long and spread apart when the strands are heavy. As a result, the DNA strands will all travel a relatively short distance and be closer together.
What function does the nucleolus perform?
It synthesize ribosomes in cell. It produces compartments of ribosomes
What checks DNA for error?
DNA fingerprinting
Principle enzyme involved in DNA replication?
DNA Polymerase.
When the DNA is spread out and the nuclear membrane and chromatin is visible?
Metaphase
Why do two identical strands form after the DNA molecules spread apart?
Because they are splitting to make more dna
What phase does DNA is all spread out as chromatin and nuclear membrane is visible?
PROPHASE
How does a biological virus spread?
Viruses spread by infecting its host. It penetrates the host and incorporates its genetic material into the host's DNA. Thus they use host as a viral production unit and spread vigorously.
DNA Spread out all over the nucleus is known as?
I'm pretty sure it's chromatin.
DNA that is spread out in a non dividing cell is called?
Chromatin Chromatin
In a gel electrophoresis's why are the lines closer together when the DNA strands are heavier?
Because the DNA cannot travel very long and spread apart when the strands are heavy. As a result, the DNA strands will all travel a relatively short distance and be closer together.
What function does the nucleolus perform?
It synthesize ribosomes in cell. It produces compartments of ribosomes
When the DNA in a cell is uncoiled and spread throughout the nucleus it is called?
The most tightly-coiled form of DNA is a chromosome.
How can the length of a bacterium's DNA be 1000 times the length of the cell within in which it is contained?
The bacterial DNA is highly coiled. To visualize how DNA coils, take a look at this image of a small portion of human DNA: http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/L/Laemmli.gif
Are there any health risks to spray tanning?
There are many risks to spray tanning, not the least of which affect the hormonal balance of women and the eventual damage of DNA. Damaged DNA may mutate after time, causing tumors to spread.
What does it mean to say we are all African?
It means exactly what it says. DNA research has shown that humans originated in Africa, and spread out over the world from there.
