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3 years ago

The non-coding portions of DNA that are separated from the

Biology

1 answer:

lukranit [14]3 years ago

5 0

Answer:

Hope it helps...plss mark as brainlist

Explanation:

The non-coding portions of DNA that are separated from the portions of DNA actually used during transcription are called. -exons. -introns.

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A muscle fiber will respond to a stimulus when that stimulus reaches the _____ level.

Hatshy [7]

A muscle fiber will respond to a stimulus when that stimulus reaches the threshold level. These local classified potentials which are mainly related with external stimuli extent the axon preliminary segment and construct up to they manage to extent the threshold value. The bigger the stimulus the larger the depolarization or try to reach threshold.

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3 years ago

Silent or missense mutations are small-scale mutations that occur when

Andrei [34K]

Answer:

c. a single nucleotide is substituted with no effect

on the amino acid sequence.

Explanation:

silent mutations occur when the change of the dna

sequence within protein - coding portion of a gene

does not affect the sequence of amino acids that

make up the protein. this change typically takes

place at the third position of the codon also known

as the wobble position.

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2 years ago

Oxygen must dissolve into fluid lining alveoli prior to diffusing into our pulmonary capillaries but we cannot breathe water. Ex

tamaranim1 [39]

Answer:

The strong hydrogen bonds in water made water stable and difficult to breakdown into constituent oxygen and hydrogen atoms. at a temprature less than 100 degree..

Oxygen is a strong electronegative atom than the two hydrogen atoms it is attached to in water. It pulls more electrons to itself than the hydrogen atoms.. This strengthened hydrogen bonds in water .

Consequently, it will be difficult for the needed oxygen atoms to simply diffuse into the alveoli to reach the blood,Compare to its molecular form where its atoms awere held by relatively week covalent bonds.

Besides the porosity of the thin alveolar endothelial walls of 0.2 micrometer is too small for the larger water molecules to pass through.

Explanation:

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2 years ago

Three types of organisms are listed below. Which of these organisms is made up of one or more cells that carry out functions to

kirill [66]

There are none listed

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3 years ago

Explain the process of Digestion in our body

xxTIMURxx [149]

Answer:

The digestive system ingests and digests food, absorbs released nutrients, and excretes food components that are indigestible. The six activities involved in this process are ingestion, motility, mechanical digestion, chemical digestion, absorption, and defecation.

Explanation:

hope this helps

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3 years ago