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vlabodo [156]
3 years ago
11

Can someone help with this please? greatly appreciated!

Chemistry
1 answer:
maw [93]3 years ago
7 0

Answer:

Explanation:

a)  When the iron rod is heated, it expands (gets larger). That's the key to this whole procedure. It doesn't expand much -- depending on what temperature the iron rod is heated up to.

When the rod looks like it has expanded as much as it can, the rod is tightened as much as it can be tightened before damage is done. When the rod cools, it contracts (gets smaller). That brings the walls closer together or it stops the walls from bulging.

Very interesting question. I've never seen this. Thanks for asking.

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If one or more nucleotide pairs are deleted from a dna strand, this is known as a:_________
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If one or more nucleotide pairs are deleted from a DNA strand, this is known as a frameshift mutation

<h3>Define Frameshift Mutation</h3>

Insertions or deletions in the genome that are not multiples of three nucleotides are referred to as frameshift mutations. They are a particular class of insertion-deletion (indel) alterations that are present in polypeptides' coding sequences. Here, there are no multiples of three in the number of nucleotides that are added to or subtracted from the coding sequence. They may result from really basic alterations like the insertion or deletion of a single nucleotide.

<h3>Frameshift mutations' effects</h3>

One of the most harmful modifications to a protein's coding sequence is a frameshift mutation. They are quite prone to produce non-functional proteins that frequently interfere with a cell's metabolic processes and result in significant alterations to polypeptide length and chemical makeup. Frameshift mutations can cause the mRNA to stop translating too soon and create an extended polypeptide.

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4 0
1 year ago
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3 years ago
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