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Advocard [28]
3 years ago
15

Plants take in nitrogen by absorbing:

Biology
1 answer:
Vinil7 [7]3 years ago
4 0

Answer:

D

Explanation:

Plants take their nitrogen from the soil which would have been converted by bacteria ...not straight from the atmosphere

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If you develop a particular flower which cannot be reproduced from seeds, it could be preserved by grafting.
RideAnS [48]
True is the correct answer to your answer.
5 0
3 years ago
A receptor site that a molecule can bind to that changes the shape of the active site is called a(n)
shusha [124]

Answer:

a) allosteric site

Explanation:

An allosteric site is a site on an enzyme other than the active site where a molecule that is not a substrate binds. This changes the shape of the enzyme, making it harder for the substrate to bind and inhibits enzyme activity.

Hope that helps.

8 0
3 years ago
One mineral element that forms the Central atom of chlorophyll​
MA_775_DIABLO [31]

Answer:  magnesium atom

Explanation:

magnesium atom

The chlorophyll molecule consists of a central magnesium atom surrounded by a nitrogen-containing structure called a porphyrin ring; attached to the ring is a long carbon–hydrogen side chain, known as a phytol chain.

3 0
2 years ago
Why is less force needed to keep an object moving than to start the object in motion?
Neporo4naja [7]

An object in motion needs less force to continue moving because the inertia or the resistance to change in motion was already overcome and the sliding friction that opposes a moving object is also lesser. Therefore, <span>it is easier to move an object at constant velocity as you only need to overcome the resisting forces of the object.</span>

5 0
3 years ago
A plate moves 200 m in 10,000 years. What is its rate in cm/year?
FromTheMoon [43]

Answer:

2cm/year

Explanation:

10,000 years = 200m

The question asks, what is its rate in cm per year?

So first we have to make sure the units are the same, i.e by changing the metres(m) to centimetres(cm)

1m = 100cm

200m = (200x100) <em>20,000 cm</em>

10,000 years = 20,000 cm

Now we divide the latter by the former. (cm/year) i.e, years by centimetres

20,000 ÷ 10,000 = 2

8 0
3 years ago
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