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vodomira [7]
2 years ago
14

The nitrogen cycle describes how nitrogen is converted between different forms. Describe the nitrogen cycle process by completin

g the sentences.
1.Atmospheric Nitrogen (N_2) is converted to NH3 in a process catalyzed by __________.
2. NH_4+ is _________ to NO_2- and then NO_3- in a process called ___________.
Atmospheric nitrogen is __________ to NH_4+ as a result of ____________.
Nitrate is converted to N_2 in a process called ______________.
Nitrite conversion to NH_4+ is catalyzed by ______________.
Biology
1 answer:
omeli [17]2 years ago
5 0

Answer:

1. Nitrogenase

2. converted, nitrification

3. Decayed, ammonification

4. Denitrification

5. nitrite reductase

Explanation:

The nitrogen cycle refers to the series of processes that adds and removes nitrogen from the soil or atmosphere. The series of processes involved in nitrogen cycle are being described in this question as follows:

- Atmospheric Nitrogen (N2) is converted to NH3 (ammonia) in a process catalyzed by the enzyme NITROGENASE in a process called nitrogen-fixation.

- NH4+ (ammonium ion) is converted to NO2- (nitrite) and then NO3- (nitrate) in a process called NITRIFICATION.

- Atmospheric nitrogen (N2) is decomposed or broken down to NH4+ (ammonium ions) as a result of a process called AMMONIFICATION.

- Nitrate is converted to atmospheric nitrogen (N2) in a process called DENITRIFICATION.

- Nitrite conversion to ammonium ion (NH4+) is catalyzed by an enzyme called NITRITE REDUCTASE

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Red and blue colored lights are most effective for plant growth.

Plant Growth is the dependent variable and light color is the independent variable. The rest are control variables.

A Control variable is the part of the experiment that we keep the same throughout all of the test subjects. An independent variable does not depend on other variables and a dependent variable does.

Allow me to explain. When we perform an experiment, many factors that can change the results, For this reason, it is common practice to keep many of them the same for all test subjects (In this case for all of the plants). This way we know that if changes are measured, they were not caused by these variables. These are what we call control variables.

An independent variable does not depend on other variables to remain the same. For example, the species of plant would be an independent variable, given that a plant cannot change its species because of other factors.

A dependent variable does change according to other variables and is often what we try to measure. For this example given, the dependent variable is how much the plant will grow with each colored light.

Knowing that plants rely on light to produce the energy needed to grow, we can <u>hypothesize</u> that applying different colors of light will have an effect on plant growth. To test this, we can create an experiment where we use:

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  • length of experiment

As control variables.

One group of plants will have blue light, another green, and another red. We can identify the color of light as an independent variable.

Since what we seek to measure is plant growth, we identify this as our dependent variable and measure it for each plant after a set amount of time, to compare results.

With this, you can confidently identify the control, dependent, and independent variables and how to use them in your experiment.

To learn more about experiments try: brainly.com/question/17314369?referrer=searchResults

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