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Mamont248 [21]
3 years ago
15

All atoms of the same element must have the same number of

Biology
2 answers:
kherson [118]3 years ago
4 0

Answer:

protons..................

gayaneshka [121]3 years ago
4 0

Answer:

Protons

Explanation:

Got it right on Edge2020

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Prenatal medical procedure in which high frequency sound waves are directed into a pregnant woman's abdomen
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Prenatal medical procedure in which high frequency sound waves are directed into a pregnant woman's abdomen is called ultrasound sonography.

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7 0
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.

7 0
3 years ago
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Small bone fractures that develop in response to repetitive, cumulative trauma are known as __________ fractures.
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Small bone fractures that develop in response to repetitive, cumulative trauma are known as stress fractures. These are fractures where bones are injured by overuse, they are commonly found in the spine, vertebrae, leg bones, feet, and the pelvis. They result from the accumulated trauma from repeated submaximal loading, such as running or jumping 
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Name the stage or stages of the cell cycle represented by this image. What are three pieces of evidence in the image that suppor
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The difference in air pressure causes?
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winds also B. because winds change the air pressure meaning thats the answer

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