Biology, 03.02.2020 11:58 iliketurtures

What is the dna in the g1 stage called. what does it's look like?

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Answer from: tonio638

When the cell has reached an appropriate size and is in a supportive environment for DNA replication, it will exit either G1 or G0 and enter the next phase of interphase called S phase. S phase, or synthesis, is the phase of the cell cycle when DNA packaged into chromosomes is replicated.
What is the dna in the g1 stage called. what does it's look like?

What is the dna in the g1 stage called. what does it's look like?

Answer from: lexybellx3

During G1, the DNA molecule is called CHROMATIN. This molecule (DNA) looks like tangled strands of spaghetti.

The cell cycle has two main phases: interphase and M (mitosis) phase.The interphase can in turn be divided into three phases: Growth 1 (G1) phase, Synthesis (S) phase and Growth 2 (G2) phase.During interphase, DNA is wrapped as chromatin fibers, which are composed of both DNA and associated proteins called histones.During this phase (interphase), chromatin looks like spaghetti because there is no obvious pattern of organization.The nucleosome is the functional unit of chromatin. A nucleosome consists of 147 base pairs of DNA wrapped around an octamer of histones.During the M phase, chromatin condenses to form chromosomes.

In conclusion, during G1, the DNA molecule is called CHROMATIN. This molecule (DNA) looks like tangled strands of spaghetti.

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Answer from: Quest

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Answer from: Quest

ans.

dna fingerprinting is defined as a process that determines the dna characteristics of an individual. these dna characteristics are unique among individuals as their fingerprints, so it is known as dna fingerprinting.

steps of dna fingerprinting includes extraction of dna from sample, amplification of dna, restriction digestion of amplified dna, and then analysis of dna by gel electrophoresis, respectively.

thus, the next step performed by the scientist is 'to cut the amplified dna (obtained by polymerase chain reaction) by restriction enzymes that cleave the dna into fragments and their analysis.'

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