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Sloan [31]
3 years ago
7

Can someone help me with these 3 questions ASAP please!!

Biology
1 answer:
Alekssandra [29.7K]3 years ago
8 0
18. Enzymes bind with chemical reactants called substrates. In some reactions, a single-reactant substrate is broken down into multiple products.

20. stored evergy is released whenever these chemical bonds are broken in metabolic processes such as cellular respiration. Cellular respiration is the process by which the chemical energy of food molecules is released and partially captured in the form of ATP.
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At the start of the lab, you will test known samples in order to see what positive and negative test results look
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Answer:

I feel it's to easily differentiate the positive from the negative...... like in gram staining of bacteria, the colour tell us which bacteria is gram positive or gram negative...... I just feel that this is science and it is advisable to know what the opposite result of an experiment should look like.

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2 years ago
Which Diagram Can Be Used To Show The Population Of Producers, Primary Consumers, And Secondary Consumers In A System
LiRa [457]

The diagram that would be used would be an energy pyramid.

4 0
3 years ago
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What is the greatest advantage of using different methods that result in the same outcome?
viva [34]

The advantages of using mixed method are, the pros and cons can be identified and compared for each method. Thus option B is correct.

<h3>What are advantages of using mixed method?</h3>

Mixed methods in research is an advanced form which is basically a combination of quantitative research and qualitative research.

It can help the researcher to gain a more clear and complete picture as it integrates benefits of both methods.

Mixed methods research is used in the behavioral, health, and social sciences, societal research.

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Mixing methods allowed to get findings in detail to the conclusion.

Using mixed methods from different data on same subject can give more credible results.  

Thus option B is correct.

Learn more about mixed method, here:

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5 0
1 year ago
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n terms of brain size and overall intelligence, which of these best describes hominid evolution over the last few million years?
ANTONII [103]
Brain size has increased nearly 3x in 4 million years.
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3 years ago
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Pyruvate is an intermediate for 2 pathways. Comment on why one reaction pathway is preferred over the other. Include the specifi
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