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Ludmilka [50]
3 years ago
6

What is a plant nucleus

Biology
1 answer:
LenKa [72]3 years ago
7 0

Answer:

All plant cells contain a nucleus, a structure that stores DNA and acts as a cell's command center. It is surrounded by the nuclear envelope and is filled with nucleoplasm. ... DNA is copied during DNA replication for new cells, as well as copied to RNA to make proteins in the nucleus.

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Cell theory states that all living things contain one or more cells. Why do you think cell theory meets the definition of
ziro4ka [17]

Answer:

Cell theory meets the definition of a scientific theory  because it can be proven, it has been tested for a long period of time and therefore there are many evidences that support the theory but not enough to become a law. Well scientific laws are statements based on repeated experiments or observation, but also, a law is something that always applies under the same conditions. Evolution occurs in the characteristics of living things within a species overtime. . A theory is much more complex: it explains why something happens. A law only describes what happens.

The cell theory meets the definition of a scientific theory but i do not think it should be a scientific law.

Explanation:

4 0
3 years ago
Which is true about wool?
Bad White [126]
Its the third answer 

4 0
3 years ago
What is the relief in an area where the highest point is 1200 m above sea level and the lowest point is 200m above sea level?
dimulka [17.4K]
The area where the highest and the lowest point is 100
6 0
3 years ago
When working with radioactive materials you must use radiation detection instruments. Which of the following instruments require
vampirchik [111]

Geiger-Muller tube is instruments requires you test three times the background of the work area.

<u>Explanation</u>:

These detectors are gas filled detectors and hence requires time for responding to the value. This time is taken because during this period it collects the electric charges and features of the electric circuit. It also gets stabilized during this period. This device has thumb rule i.e one must wait or hold for at the least 3 times the time constant before getting the precise and accurate reading. The time constant order is 10 seconds for the ionization chamber but for the Geiger counter it can vary from seconds to greater than 20 seconds

6 0
3 years ago
Explain the difference between renewable and nonrenewable resources and give an example of each.
Lelu [443]

Answer:

Nonrenewable Resources take longer to be replenished, reneweable resources are easily replenished and easily accessible.

Explanation:

If something is Nonrenewable; for example fossil fuels like coal, oil, and natural gas, then that means that the organic matter is limited and not going to grow or be created easily on Earth.

Renewable Resources are usually classified into five categories; Hydro, Solar, Wind, Biomass, and Geothermal. All of these resources are easily accesible and can be used as a natural energy source.

Hope this helped :)

6 0
3 years ago
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