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3 years ago

Mutations in DNA include deletions and insertions. These types of mutations:

Biology

1 answer:

pantera1 [17]3 years ago

6 0

Answer:

(A). Result in different amino acids to be read due to frame shifts

Explanation:

Insertion or deletion mutations (or Indel mutations) can be defined as mutations in DNA due to insertion (addition) or deletion of nucleotide bases in DNA.

These mutations lead to change in reading frames (sequence of codons), which leads to formation of protein having completely different amino acid sequence. Hence, these mutations are also cause frameshift mutations.

This is due due to triplet nature of genetic codes as insertion or deletion of one or more bases (but not three) would change change in codon sequence and mutated sequence can form a non-functional or truncated protein.

Thus, the correct answer is option (A).

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Answer:

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1. In addition to mechanical and chemical digestion of food, the stomach's other major function is: carbohydrate and nucleic aci

Alenkasestr [34]

Answer: Food storage

Explanation:

Stomach is a small pouch like structure which has the ability to store food temporarily.The storage of the food temporarily takes place in the stomach. The food that we eat reaches to the stomach by the help of food pipe.

Here, the food is stored until it is completely broken down into simpler form and enzymes act on them.

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What helps a plant retain water

gizmo_the_mogwai [7]

Answer:

the root

Explanation:

they hold water n they transport food

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All of the chemical reactions within an organism is known as

Usimov [2.4K]

Chemical reactions that take place inside living things are called biochemical reactions. The sum of all the biochemical reactions in an organism is called metabolism.Metabolism includes both exothermic (energy-releasing) chemical reactions and endothermic (energy-absorbing) chemical reactions.

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3 years ago

Word bank: (Thermosphere) (Aurora boreal is) ( Large-scale air turbulence and mixing at this layer) ( Stratosphere) (The coldest

Lyrx [107]

Thermosphere - Fourth layer of Earth's atmosphere.
Aurora Borealis - Ionosphere layer of thermosphere.
Large-scale air turbulence and mixing at this layer - Troposphere
Stratosphere - Second lowest layer of Earth's atmosphere. No Air turbulence so airplanes fly in this layer.
The coldest temperatures in the atmosphere occur at the junction- of Stratosphere and mesosphere
Maximum ozone - Ozone layer in Stratosphere

Explanation:

Atmosphere is formed by mixing of gases. The layers of atmosphere is given below.

1. Troposphere -

The first layer of the atmosphere.
Weather occurs in this layer.

2.Stratosphere -

The second layer of Earth's atmosphere.
Contains Ozone layer.

3. Mesosphere -

The third layer above the stratosphere.
Coldest layer.

4. Thermosphere -

The fourth layer of the atmosphere.
Warmest layer.
Ionosphere - lowest level of thermosphere above mesosphere.
Aurora Borealis, Northern and Southern lights are seen in this layer.
Exosphere - outermost layer of thermosphere.
Satellites are in this layer.
Outer space with no gravity.

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3 years ago