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kirza4 [7]
3 years ago
9

How do scientists decide to research specific topics and investigate specific locations related to plate tectonics?

Biology
1 answer:
nekit [7.7K]3 years ago
8 0

Answer:

gngngngnggngngngnngngggngngn

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What force causes the air to change directions in global circulation patterns ?
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pressure gradient force

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3 years ago
Please explain the difference between a frameshift mutation and a base substitution mutation.
harina [27]

Answer:

A frameshift changes every codon past it. A base substitution only changes one codon.

Explanation:

DNA is comprised of nucleotides (A, C, T, G) that make up amino acids. Every three bases is called a codon and represents an amino acid.

In a frameshift mutation, a nucleotide is either added or deleted from the sequence. This offsets the entire sequence after it because the reading frame shifts. Here's an example:

ACTGCTATCGTCATC

If another T is added in between the first and second codons, then every codon after will be changed.

ACT>T<GCTATCGTCATC

A substitution mutation is usually less severe, as it only alters one codon in the sequence. These occur when one nucleotide is replaced by another one. Here's an example:

ACTGCTATCGTCATC

Let's say the first G is replaced by a T.

ACT>T<CTATCGTCATC

As you can see, none of the other codons changed.

Typically, a frameshift mutation is considered worse than a substitution mutation.

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3 years ago
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What would the overall charge of the atom above be? How do you know?
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There are more electrons (negative charge) than there are protons (positive charge).

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