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2 years ago

What is the first step in the scientific process?

Chemistry

1 answer:

maxonik [38]2 years ago

4 0

$\quad \huge \quad \quad \boxed{ \tt \:Answer }$

$\qquad \texttt {Observe a natural phenomenon}$

____________________________________

$\large \tt Explanation \: :$

At first scientists/researchers observe a natural phenomenon. after enough observation, they make predictions why that phenomenon is happening and the reasons that lead to that particular phenomenon. then they generate scientific hypothesis to explain that phenomenon and after getting enough data they develop tests and perform experiments. And check the results they get and at last based on the results they conclude what actually is happening.

Answered by : ❝ AǫᴜᴀWɪᴢ ❞

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What protein molecules does DNA wrap around to form a nucleosome

Delvig [45]

Answer:

Histone proteins.

Explanation:

Histones are known as the special type of proteins which are +ve charged and low molecular in weight. They are highly basic proteins and containing basic amino acids such as arginine and lysine. Histones are +ve charged proteins and DNA is -ve charged in nature, due to the presence of phosphate groups in DNA backbone, histones bind with DNA very tightly and form a complex known as Nucleosome.

The Nucleosome is known as the fundamental unit of DNA packaging which is composed of an Octameric core of histone proteins (two each of histones H2A, H2B, H3, and H4) around which the double helix of DNA is wrapped.

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3 years ago

All compounds of carbon are made by _____.

Andrew [12]

Answer:

Covalent bonding

Explanation:

Covalent bonding is the bond that holds all compound that are formed by carbon.

It is a very strong intermolecular bond that holds the structure of carbon compounds in place.

Principally, covalent compounds are formed by sharing of electrons between contributing atoms.

Covalent bonds are the strongest bond types. A reason for this conclusion can be see in case of diamond. Here, there is a covalent linkage between the atoms present and the strength of these bonds is responsible for how strong the diamond crystal is

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3 years ago

What is one way in which sound and light are alike? PLEASE HELP IF YOU WANT BRAINLEIST AND TO HAVE YOUR COMMENT LIKED!!

Citrus2011 [14]

B. They are both types of energy

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3 years ago

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Why is burning is not a recommended method of disposing plastics

creativ13 [48]

Because on burning plastic produce toxic gases which is harmful for our earth

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4 years ago

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If I use 4 N of force to push an object 3 m, how much work have I done? A)3J B)4N C)12J

artcher [175]

Work done by me for using force of 4 N to push an object 3 m away is 12 J.

<u>Explanation:</u>

Work done on any object is defined as the force required to displace that object from its original position. In other terms, the work done is the measure of force utilized for moving an object. So mathematically it is represented as the product of force with the displacement of the object due to that force.

$Work Done = Force \times Displacement$

Then, here it is given that force of about 4 N is used to displace the object to 3m. Thus,

$\text { Work Done }=4 \times 3=12 \mathrm{J}$

So, 12 J of work is done by me to push an object 3 m away with the force of 4 N.

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3 years ago