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valentina_108 [34]
3 years ago
10

the nutrients in foods perform functions in the body, what are they and briefly describe the nutrients involved in these functio

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Biology
1 answer:
Ludmilka [50]3 years ago
7 0

Answer:

The human body needs a list of macromolecules and micromolecules for performing day to day functions.

The essential macronutrients that the body requires are:

Carbohydrates: Carbohydrates are required by the cells in the body to carry out normal day to day functions. Energy is provided in the form of calories by the carbohydrates.

Proteins: Proteins are essential nutrients which are required for growth as well as better functioning of the immune cells of the body.

Fats and oils: These are needed for providing insulation to the body and to store energy.

Fibres: These are a mixture of carbohydrates.

Water: Almost every activity of the body requires water.

The essential micronutrients that the body requires are:

Vitamins: Vitamins are a group of substances which are needed by the body to function normally.

Minerals: Mineral are needed to ensure that tissues are working correctly.

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A controlled experiment is when the experimenter can change one variable in the experiment and completely change the results.

Redi experiment involved a closed jar with rotting meat on the inside. He waited for a few days and found no new forms of life in the jar.
He then did the same experiment, but this time he took the lid off the jar. After those few days he found there were maggots in the rotting meat from flies.

This is a great example of a controlled experiment, because he only had to change one variable to completely change the results. In this case that variable was just removing the lid from the jar.

Redi was trying to prove spontaneous generation with his experiment. Although, it failed.

Spontaneous generation: When life forms from non-livings.

Redi disproved spontaneous generation, but proved biogenesis.

Biogenesis: When life comes from other living beings.

He proved biogenesis because the flies had reproduced when the jar was opened.
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3 years ago
Which of these is an example of an undesirable effect of friction?
Varvara68 [4.7K]

Answer:

b. energy loss in machines

Explanation:

It is an undesirable effect because it causes loss in energy in a machine which most likely requires a lot of energy to function. Therefore, it is undesirable as the machine will not function properly.

8 0
2 years ago
Which compounds are referred to as “the building blocks of proteins”? lipids fatty acids amino acids carbohydrates?
GarryVolchara [31]
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JulsSmile [24]

Answer:

They are co-dominance and incomplete dominance.

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Explanation:

Co-dominance occurs when both alleles in a heterozygous genotype for a trait are both equally expressed. An example is the human AB blood group, in which both the A and B alleles are equally expressed.

Incomplete dominance occurs when the heterozygous genotype for a trait is expressed as a blend. An example is blue feather color in chickens, in which a black allele and white allele together are expressed as blue feather color.

3 0
2 years ago
Most mammals have diploid body cells and haploid gametes. During __________, chromosomes from haploid gametes combine, and a ___
EastWind [94]

Answer:

During <u>fertilization</u>, chromosomes from haploid gametes combine, and a <u>diploid</u> zygote is formed.

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