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ratelena [41]
3 years ago
15

Explain the difference between each of the following substitution mutations:

Biology
1 answer:
pentagon [3]3 years ago
5 0

Answer: silent mutation: a nucleotide base in a codon is replaced with a different base BUT the resulting amino acid isn’t affected.

Missense mutation: similar to a silent mutation, the only difference is that the switch of the nucleotide DOES result in a DIFFERENT amino acid

Nonsense mutation: a nucleotide base is changed, but that change results in a premature stop of translation

(Remember that after transcription, you are left with a strand of mRNA that Is then translated into a protein. The mRNA is read in increments of three nucleotide bases (A,U,G, or C) which is called a codon. That codon makes a single amino acid, and a strand of amino acids makes a protein)

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Describe how the flow of matter and energy is a biology theme
Stells [14]
Sun provides energy to plants, which use it to make food from soil nutrients, which is eaten by animal, which is eaten by another animal, that produces waste and die, that decomposes and adds nutrients to the soil, which plants use with sunlight to make food from soil
7 0
3 years ago
Among the tasks in coping with life-threatening illness described by kenneth doka, which phase is characterized by "living with
Triss [41]

Among the tasks in coping with life-threatening illness described by Kenneth Doka, the chronic phase is characterized by "living with the disease".

Kenneth Doka (1995–96) divides the process of dying into three phases, namely the acute, the chronic, and the terminal phases of dying, during which the individual initially is given the diagnosis, then lives with the disease and ultimately surrenders to death.

This phase can be quite long and the supporters may become comfortable in their caregiving role and adjust to the notion of death. This is an important adaptation since a great deal of the care for the terminally ill is given by the family members.

Doka (1998) notes that this phase "is often a period of continued stress, punctuated by points of crisis".

To learn more about Kenneth Doka here

brainly.com/question/14298713

#SPJ4

8 0
1 year ago
Which of the following tools should a scientist use to measure an object in meters.
Mekhanik [1.2K]

Answer:

C. Tape Measure

Explanation:

Thats the best of the options.

6 0
3 years ago
Any property that describes how a substance reacts with another substance when forming a new substance. The behavior of a substa
forsale [732]

Any property that describes how a substance reacts with another substance when forming a new substance is the Property of Reactivity .

Explanation:

The ability of substance to readily react with other substance to produce new product is called as reactivity.

It describes about different methods used by the reactants to form new product.

Sometimes one single reactant gives rise to two different products as in splitting of water during which the following reaction takes place:

H_2 O →2H_2 + O

On contrary, two substance combines together to give rise to one single product as:

2 Mg + O_2  →2MgO

8 0
3 years ago
Plant structure that absorbs water/nutrients and anchors the plant in the soil ?
earnstyle [38]

Answer:

Plants absorb nutrients and water and and is anchored through their roots

Explanation:

The roots absorb water and minerals from the soil and anchor the plant in the ground. The stem supports the plant above ground, and carries the water and minerals to the leaves. The leaves collect energy from the Sun and make food for the plant, using an amazing process called photosynthesis.

6 0
3 years ago
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