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d1i1m1o1n [39]
3 years ago
5

In an analysis of a new bacterial species, a microbiologist finds that the bacteria has an outer layer comprised primarily of pr

oteins. This layer of proteins is known as a glycocalyx.
Biology
2 answers:
pentagon [3]3 years ago
4 0

Answer:

False

Explanation:

The glycocalyx is the layer surrounding the plasma membrane of the eukaryotic and prokaryotic cells.

The glycocalyx is composed of the carbohydrates and the protein molecules like the proteoglycans, glycosaminoglycans and the other glycoproteins.

The glycocalyx has been identified in the bacterial cells as a protective layer from the host bu in eukaryotes the glycocalyx helps in the cell to cell interaction and communication.

Since the glycocalyx is not composed primarily of the proteins but of the carbohydrates and the proteins therefore false is the correct answer.

GrogVix [38]3 years ago
3 0

Answer: False. It is not glycocalyx.

Explanation:

Glycocalyx is a carbohydrate enriched membrane bound layer that surrounds the cell plasma of eukaryotic cells and prokaryotic cells, especially bacteria. It act as a barrier between the cells and its environments. In bacterial cell, it act as protective coat from host factors.

Glycocalyx help in cell to cell interaction or communication in eukaryotic cell. It is involved in diseases development and progression.

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Explanation:

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5 0
3 years ago
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A paleontologist has recovered a bit of tissue from the 400-year-old preserved skin of an extinct dodo bird. The researcher woul
slava [35]

Answer:

c)polymerase chain reaction (PCR).

Explanation:

Because the paleontologist recovered only a bit of tissue  and it is very old, it is very likely that the DNA in the sample is very small and part of it is degraded. Anyway, the paleontologist must first amplify the DNA sample to obtain many identical copies of the specific region of the DNA they want to compare. the above is done through a polymerase chain reaction (PCR).

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4 years ago
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dmitriy555 [2]
If this follows the normal format for genetic trees, its neither, as a circle is a female, not a male. If it is a female, then it would be a female with one recessive gene. 
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4 years ago
Explain How sunlight is the primary source of energy for you life
Daniel [21]
It radiates light and heat, or solar energy, which makes it possible for life to exist on Earth. Plants need sunlight to grow. Animals, including humans, need plants for food and the oxygen they produce. Without heat from the sun, Earth would freeze.
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