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Marta_Voda [28]
3 years ago
13

Why do you multiply the beats per second of your heart by four?

Biology
1 answer:
elena-14-01-66 [18.8K]3 years ago
5 0

So we can tell how many times a heart beats per second

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Decide what is meant by the statement “science is not limited to the laboratory “?
castortr0y [4]

<u>Answer</u>:

Science is not limited to the laboratory because it has done in a laboratory to study the physical, chemical and biological aspects of the natural system. It mean that science presents everywhere and happening at all times. It also mean that anyone can become a scientist and they can conduct the experiments with the data and a hypothesis.

<u>Explanation</u>:

Science is the study of the physical, chemical, biological, and mathematical study of nature. The science is studied in laboratory conditions to validate the various reaction and principles occurring in natural systems.

In a laboratory, small system or model is made to study the particular aspect of a large system. Thereby, science in the laboratory helps to find out the science of the actual world. Various principles, machines and designs are inspired by the natural systems.

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3 years ago
Can someone please help me?
Sav [38]
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4 years ago
Which of the following is not a macromolecule?
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The correct answer is a - Lipid

Lipids are not considered as macromolecules because unlike proteins, carbohydrates and nucleic acids which polymers, lipids are composed of a single unit made up a glycerol backbone to which two or three fatty acids are linked.

Lipids are not polymers made up of individual subunits called monomers. They contain only  one molecule and are not macromolecuels.

Examples of lipids include waxes, steroids, phospholipids and detergents. Lipids are generally hydrophobic and insoluble in water.



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