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Ierofanga [76]
3 years ago
15

Define Eukaryote in your own words

Biology
1 answer:
ozzi3 years ago
6 0

Answer:

a eukaryote is DNA(genetic material)in the form of chromosomes within the nucleus and it contains all living organisms

Explanation:

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Help me please i need to pass
yanalaym [24]

Answer:

proteins; codons

Explanation:

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2 years ago
What do you think selectively permeable means?
enot [183]

Answer:

B. The membrane lets certain substances move across it freely, while others must move through a “gate”.

Explanation:

Selective permeability is a property of cellular membranes that only allows certain molecules to enter or exit the cell. This is important for the cell to maintain its internal order irrespective of the changes to the environment. For example, water, ions, glucose and carbon dioxide may need to be imported or exported from the cell depending on its metabolic activity. Similarly, signaling molecules may need to enter the cell and proteins may need to be released into the extracellular matrix. The presence of a selectively permeable membrane allows the cell to exercise control over the quantum, timing and rate of movement of these molecules.

3 0
3 years ago
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Why do you think watering is not necessary in this bottled ecosystem
yulyashka [42]

Answer:

You can buy tiny sealed marine ecosystems enclosed in glass. ... like the one in your bottle, you will need to establish an ecological balance in order for all of ... if you have too many animals consuming oxygen and not enough plants ... Water is consumed by both plants and animals, but is also excreted, purified, and reused.

Explanation:

4 0
3 years ago
Where do prions come from?
Musya8 [376]

Answer:

There are prion-like particles in the brain normally, and when these become abnormal they can cause disease. (Ans. A)

Explanation:

Prions are proteins which can trigger normal proteins to fold abnormally, and they are present in the brain. They are causing many types of neurodegenerative diseases in both humans and animals. Which are known as transmissible spongiform encephalopathies.

Prions can enter the brain with the help of infection, also can arise from the gene mutation that encodes the proteins, and sometimes this affects humans by infected meat.

If a person infected from prion disease, it affects central nervous system tissues like brain, eye tissues and spinal cord.

6 0
3 years ago
In some parts of the world, rain forests are being cut down to make land available for homes, businesses, and farms. How does th
zloy xaker [14]

Well the more that get cut down, the less oxygen we get, aswell as more carbon in the atmosphere because there is less trees to absorb it.

7 0
3 years ago
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