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Kisachek [45]
3 years ago
7

The steps commonly used by scientists in gathering information to test hypothesis and solve a problem are called___?

Biology
2 answers:
Luba_88 [7]3 years ago
6 0
<span>The steps commonly used by scientists in gathering information to test a hypothesis and solve a problem is called c) scientific method
</span>
anastassius [24]3 years ago
5 0
C) the scientific method because if we look at the scientific method in detail, this is what we get:

<span>Step 1: Make an Observation.
Step 2: <span>Form a Question.
Step 3: </span><span>Form a Hypothesis.
</span><span>Step 4: Conduct an Experiment.
Step 5: </span><span>Analyse the Data and Draw a Conclusion.</span></span>
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This type of membrane transport moves substances against the concentration gradient from an area of low concentration to an area
sashaice [31]

<u>Answer</u>:- Active transport

<u>Explanation</u>:-

There are two types of membrane transports

1. Passive transport - this type of transport occurs without the input of any energy and the molecules move along the concentration gradients that is from <em>high concetration to low concentration.</em>

2. Active transport- this type of transport takes place to move the molecules against the concentration gradient that is from <em>low concentration to high concentration.</em>

<em>The active transport is of two types:</em>

1. <em>Primary active transport-</em> in this type of transport <em>ATP</em> is used as an energy source to move the substances against the concentration gradient.

2.<em>Secondary active transport</em> - in this type of transport the gradient formed by the active transport is utilized and it involves the movement of 2 substances at a time aross the membrane. That is the movement of one molecule is coupled to another.


  • The membrane proteins that are associated with active transport are called as <em>carrier proteins</em>. These proteins have a binding site for the molecules that they transport. Once they bind to the specific molecules, a conformation change is induced and this leads to the transport of the molecule across the membrane.

So, the <em>active transport is basically responsible for utilizing the energy from ATP and carrier proteins to move the substances across the membrane against their concentration gradient i.e. from low concentration to high concentration.</em>

5 0
2 years ago
DNA, the genetic material of living organisms, is damaged by light in the
insens350 [35]

Answer:

The correct option is <em>B) ultraviolet region, especially below a wavelength of 320 nm.</em>

Explanation:

Ultraviolet light carries an enormous amount of energy in it. It is invisible to the human eye. When UV light with enormous energy and wavelength lesser than 320nm, hits the DNA, it causes changes in the structure of the DNA. Mostly, it affects the thymine nitrogenous base regions and forms pyrimidine dimers. The structure of the DNA changes on all the sites where dimers form and hence, they cannot be properly transcribed.

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2 years ago
Which best summarizes the peppered moths in england after the industrial revolution?
Amiraneli [1.4K]
Thank you for posting your question here. Below are the choices that can be found elsewhere:

a. a new mutation allowed moths to survive 
<span>b. the light moths had an advantage </span>
<span>c. the phenotype frequency changed </span>
<span>d. moths learned to adapt to their environment
</span>
The answer is C
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Answer:

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