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Ostrovityanka [42]
3 years ago
10

Define crop rotation.

Biology
2 answers:
Juli2301 [7.4K]3 years ago
8 0

Answer:

Crop rotation is the method of growing a series of different types of crops in the same area across a sequence of growing seasons (China does this). It reduces dependence on just one type of nutrients, it also helps control pests and weeds by the plants developing a resistance all at once.

Lesechka [4]3 years ago
5 0

Answer:

it is a system of farming in which different types of crops are cultivated in a different plot of land on the same farm in a definite order or sequence.

Explanation:

(that is ,the farm is divided into plots and different crops are grown on each plot of land in definite order) this also helps to preserve the fertility of the soil .

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One function of the carbohydrate macromolecule is to store energy. Which other macromolecule also functions in storing energy?
taurus [48]

<u>Answer: </u>

<h2>Lipids </h2>

<u> Explanation: </u>

Lipids are the macro-molecules used to store energy in our body. They have the ability to store energy more efficiently and are called long-term energy storage.  

They can store twice as much energy as other molecules. They contain nine Kcal of energy per gram a compared to proteins and carbohydrates which only produce four kcal per gram. They are present in our body in the form of fat and are insoluble in water.

6 0
3 years ago
What takes place when you inhale?
bezimeni [28]

Explanation:

When you breathe in, or inhale, your diaphragm contracts and moves downward. This increases the space in your chest cavity, and your lungs expand into it. The muscles between your ribs also help enlarge the chest cavity. They contract to pull your rib cage both upward and outward when you inhale

5 0
3 years ago
If phosphofructokinase experienced a mutation that interfered with substrate binding, then what other enzyme is going to be most
frozen [14]

Answer: Aldolase

Explanation:

In the metabolism of glucose( glycolysis) phosphofructokinase is an enzyme that catalyzes the conversation of fructose-6-phosphate into fructose-1,6-bisphosphate. This in turn is converted to pyruvate after various steps of enzymatic activity in the glycolytic pathway.

If phosphofructokinase experienced a mutation that interfered with substrate binding, the enzyme that is going to be most immediately impacted in terms of accessing substrate is the ALDOLASE.

Aldolase enzymes cleave fructose-1,6-bisphosphate to triose phosphates( glyceraldehyde 3-phosphate and dihydroxy-acetone phosphate) facilitating an increase in anaerobic production of ATP in muscle.

Therefore, the substrate for binding of aldolase, which is fructose-1,6-bisphosphate is lacking due to mutation of phosphofructokinase enzyme.

7 0
3 years ago
How do genetics (genetic predisposition) and the environment work together to cause substance abuse in individuals? What is the
vampirchik [111]

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Explanation:

The genetic make up of the person is decides, which genes will be expressed and develop a trait in an individual. But this genetic expression can be influenced by the environmental factors like food, exposure to sunlight, and others. This study which relate environment with the genetic make up is called epigenetics. No person is drug addict by birth but the consumption of drug can influence the genetic make up and traits in a abuser. So here, the environment is influencing the genetic basis of a abuser.

6 0
3 years ago
Which best describes the purpose of a controlled experiment?
leva [86]
I think the correct answer from the choices listed above is option C. The purpose of a controlled experiment is to  examine whether one variable causes a change in another. A<span>n independent variable is the only factor that is allowed to be adjusted, with the dependent variable as the factor that the independent variable will affect.</span>
5 0
3 years ago
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