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emmasim [6.3K]
1 year ago
11

Question 4 (1 point) Why are nonsense mutations rare?

Biology
1 answer:
Lostsunrise [7]1 year ago
5 0

When a DNA sequence alteration results in a stop codon rather than a codon that specifies an amino acid, it is known as a nonsense mutation. This is rarely seen in 10% of patients with genetic disease.

<h3>What is nonsense mutation?</h3>

A nonsense mutation in a DNA sequence causes a premature stop codon, also known as a nonsense codon, in the transcribed mRNA as well as a shortened, ineffective, and typically nonfunctional protein product.

Because stop codons, also known as nonsense codons, signal the completion of protein synthesis rather than encoding for an amino acid, they are the source of the term "nonsense mutation."

Examples of illnesses for which nonsense mutations have been implicated as contributing factors include: Cystic fibrosis (produced by the G542X mutation in the cystic fibrosis transmembrane conductance regulator); (CFTR) Beta-globin (thalassemia) Hurler disease.

Learn more about nonsense mutation, here:

brainly.com/question/15870401

#SPJ1

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Why are ganymede and callisto geologically dead while the other two galilean moons of jupiter are active?
kvasek [131]

Ganymede & Callisto are low-density moons with a mixture of ice and rock. They are farther from Jupiter and are geologically dead.

The four largest moons of Jupiter, Io, Europa, Ganymede, and Callisto, are known as the Galilean moons or Galilean satellites. Galileo Galilei initially observed them in December 1609 or January 1610, and in March 1610, he identified them as Jupiter satellites. They were the first discovered extraterrestrial objects orbiting a planet other than the Earth.

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brainly.com/question/15207516

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5 0
2 years ago
On-center cells: A. are excited by light that falls in the periphery of their receptive field. B. are excited by light that fall
Elena L [17]

Answer: B) are excited by light that falls in the center of their receptive field.

Explanation:

There are two types of bipolar cells present in the retina which are differentiated on the way the centres of their receptive fields respond to light. The names of bipolar cells are ON-centre and OFF-centre.

If a light fall at the centre of the receptive field of a bipolar cell, it will experience an exciting effect on that cell, resulting in it being depolarized, it is an ON-center cell.

Hence, the correct option is B.

6 0
3 years ago
Which one would this be?
klasskru [66]

Answer:

B

Explanation:

Proteins are made up of smaller building blocks called amino acid.

8 0
3 years ago
In which region of the Sun does energy move through circulating currents of gases? photosphere corona core radiative zone chromo
Tresset [83]
Convective zone is the answer. If you need an explanation just ask.
Hope this helps :)
5 0
3 years ago
Read 2 more answers
What general surgical techniques are necessary for a live donor kidney transplant?
Bogdan [553]
Kidneys for transplant can come from a living or a cadaver. Nephrectomy is the surgical removal of one or both kidneys. It is done by removing a healthy kidney from what you call a donor.They are usually to treat kidney diseases and injuries.
5 0
3 years ago
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