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scoray [572]
2 years ago
8

Which term refers to similar structures that related species have inherited from a common ancestor?

Biology
1 answer:
blondinia [14]2 years ago
6 0

Answer:

homologous structures.

Explanation:

If two organisms look very similar during their early stages of development, this is evidence that the organisms. evolved from a common ancestor.

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Typically, acetylation of histone tails leads to ________. Typically, acetylation of histone tails leads to ________. relaxed pa
ololo11 [35]

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.

6 0
3 years ago
Can you answer these all right? About: cell facts.
Karo-lina-s [1.5K]

Answer:

1. True

2. True

3. True

4. False

5. False

6. True

7. False

8. False

7 0
2 years ago
What is a global climate model?
marusya05 [52]

Answer:

What is a Global Climate Model? A global climate model (GCM) is a complex mathematical representation of the major climate system components (atmosphere, land surface, ocean, and sea ice), and their interactions. Earth's energy balance between the four components is the key to long-term climate prediction.

Explanation: do you want a model?

3 0
2 years ago
In an animal, a muscle cell requires more energy than other cells. Because of this, which type of organelles would you expect to
Paul [167]

Explanation:

The answer is mitochondria because this is the super producer of cell systems. while an active animal, (squirrel, rodents, horses, deer etc.) are all prey items for preditors, they possess more energy to survive & escape danger...

8 0
2 years ago
Chapter 12 and 13 assessment
Sveta_85 [38]
Answer:
Sea levels will rise to flood some coastal areas

Explanation:
With the global temperature rising, glaciers will start to melt and that will cause a rise in sea levels
8 0
3 years ago
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