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ASHA 777 [7]
2 years ago
10

Which statement contains inaccurate information about stem cells?

Biology
1 answer:
REY [17]2 years ago
7 0

Answer:

The incorrect statement is stem cells are specialized.

Explanation:

By their nature stems cells are unspecialized because they are undifferentiated. This means that they have not yet been assigned a specific role in the body.

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Typically, acetylation of histone tails leads to ________. Typically, acetylation of histone tails leads to ________. relaxed pa
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Answer:

relaxed packaging of the chromatin and increased transcription.

Explanation:

Genetics can be defined as the scientific study of hereditary in living organisms such as humans, animals and plants.

A nucleotide can be defined as an organic molecule which forms the building block of nucleic acid such as deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).

Basically, nucleotide comprises of the following parts;

1. Nitrogenous base: this includes adenine (A), thymine (T), guanine (G), and cytosine (C) which are mainly found in the DNA while adenine (A), guanine (G), uracil (U) and cytosine (C) are found in the RNA.

2. A phosphate group.

3. A penrose sugar: it is either deoxyribose in DNA or ribose in RNA.

The two parts or chemical components of a nucleotide which do not change throughout the structure of DNA are;

I. Five-Carbon Sugar also known as deoxyribose and it has hydrogen on its second carbon.

II. Phosphate: this is the structural backbone that provides support to DNA.

Histones are a group of highly basic proteins that are mainly associated with deoxyribonucleic acid (DNA) in the nucleus of a living organism and are responsible for condensing it to chromatin.

Typically, acetylation of histone tails leads to relaxed packaging of the chromatin and increased transcription.

Transcription can be defined as a process which typically involves re-writing the informations contained within a Deoxyribonucleic Acid (DNA) into a Ribonucleic Acid (RNA) by enzyme RNA polymerase.

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3 years ago
An insulin receptor is a protein structure with multiple functional areas. what are these areas also known as and how do they af
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<span>An insulin receptor is a neurotransmitter that is activated by the presence of insulin. This receptor is usually represented by the abbreviation (IR),</span>
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Answer:

The circulatory system circulates the blood to the whole body.

The respiratory system brings oxygen to the blood, and the circulatory system circulates the oxygenated blood to the cells.

Explanation:

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