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Romashka [77]
4 years ago
14

the DNA sequence reads ACGTTCATT before a mutation occurs. after the mutation, the DNA sequence reads ATCGTTCATT. which type of

mutation occurred
Biology
2 answers:
Bumek [7]4 years ago
8 0

Answer : The correct answer is -

Insertion mutation.

An insertion mutation can be described as a permanent change in the genetic material (DNA sequence) due to the addition of one or more nucleotides. It can result in alteration of protein (due to the change in the reading frame of DNA) , which may cause diseased condition.

In the given question, there is addition/insertion of T (thymine) at the second place in the original DNA sequence-

Original DNA sequence -

ACGTTCATT

Mutated DNA sequence - ATCGTTCATT

Thus, it is an insertion mutation.

11Alexandr11 [23.1K]4 years ago
5 0
Addition, you added an extra T between the first A and C
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Which of the following conclusions is best supported by the cladogram?
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3. What are 6 things the ocean provides for humans?
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What are 6 things the ocean provides for humans?

The Ocean produces more oxygen than the Amazones.

The Ocean regulates the Earth climate.

It is an important source of food.

The best holidays are close to the water.

Many jobs are related to sea activities.

The Ocean has therapeutic properties.

Explanation:

It is often thought that rainforests are the primary source of oxygen on the planet, but the truth is that rainforests are only responsible for 28% of the oxygen on earth while oceans are responsible for the 70%. It does not matter how far we live from the sea, from every ten breaths you take seven come from the ocean

In many ways, the sea regulates our climate. It soaks up the heat and transports warm water from the equator to the poles, and cold water from the poles to the tropics.

The ocean is the number one source of protein for more than a billion people. Fish accounts for about 15.7% of the animal protein consumed globally (2).  Although, not everything is fish and seafood.

The ocean is not just home to us ocean lovers, but it is home to the greatest abundance of life on our planet. When you sail across an ocean, you will see dolphins, whales or a turtle popping up to take a breath.

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Match the following items. 1. insertion inner, light-sensitive layer of the eye 2. sympathetic system point where a muscle is at
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Answer:

1. Inner, light-sensitive layer of the eye. Retina

2. Point where a muscle is attached to the more movable part. Insertion

3. Outer, fibrous layer of the eye. Sclera  

4. Translates sound vibrations into nervous impulse. Cochlea

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6. Sense of balance. Semicircular canals

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8. Point where the muscle is attached to the less movable bone. Origin

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10. In the brain stem, controls the activity of internal organs. Medulla oblongata

Explanation:

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  • The sclera is the outer layer of the eye. It protects the eye and keeps the eye's shape.
  • A muscle has an origin and an insertion. The first one is the part attached to the less movable bone and the second one to the more movable part. These two parts can be in different bones. When the muscle contracts, the bone attached to the insertion moves towards the origin of the muscle.
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  • The medulla oblongata is part of the brainstem. It controls involuntary actions such as heart rate, respiration, and vasoconstriction. As it controls these functions, it affects internal organs like the heart, lungs, arteries, etc.

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