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777dan777 [17]
3 years ago
11

What makes one appliance more efficient than another model of the same appliance?

Biology
1 answer:
My name is Ann [436]3 years ago
4 0

Answer:

He makes it efficient

HIGH EFFICIENCY

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How do you calculate magnification on a light microscope?
aniked [119]

Answer:

In order to ascertain the total magnification when viewing an image with a compound light microscope, take the power of the objective lens which is at 4x, 10x or 40x and multiply it by the power of the eyepiece which is typically 10x.

5 0
3 years ago
Which of the following does NOT characterize proteins?
8090 [49]

Answer:

The answer is C) They appear to be the molecular carriers of coded hereditary information.

Explanation:

Why NOT C) They appear to be the molecular carriers of coded hereditary information?

This is the job of the nucleic acids. It is composed of nucleotides which are the basic units of DNA and RNA. They carry genetic information about a certain organism.

<h3 /><h3>True of proteins:</h3>

A) They may be denatured or coagulated by heat or acidity.

<u>Denaturation</u> is the <u>destruction of the protein's secondary and/or tertiary structures</u>. The <u>primary structure is not disrupted due to the tough peptide bonds</u> and can only be broken down by acid. For heat denaturation, hydrogen bonds are destroyed, as in cooking of egg whites and medical equipment sterilization.

B) They have both functional and structural roles in the body.

There are many kinds of proteins that have functional and structural roles like hormones <u>(FSH, LH)</u>, antibodies <u>(IgA, IgM),</u> enzymes <u>(lipase, amylase),</u> for storage/transport <u>(hemoglobin, ferritin)</u>, and locomotion <u>(actin, troponin).</u>

D) Their function depends on their three-dimensional shape.

Just like <u>hemoglobin</u>, it's <u>quaternary structure</u> can carry <u>4 molecules of iron</u> in one go. <u>Enzymes</u> are shaped accordingly to fit a<u> specific substrate</u> <em>(lock-and-key model)</em>

6 0
3 years ago
Why is nonpoint surface pollution is a greater threat and hazard than point source pollution
Natasha_Volkova [10]
Nonpoint source pollution is a greater hazard, because scientists are not able to identify a single location the pollution came from. It is harder to find a solution if they are unable to find the source.

Hope this helps!
have a great day.
6 0
3 years ago
A person who gets nervous often breathes faster. What does this show about organ systems?
Ronch [10]

The organ systems work together to regulate body processes. The correct option is B.

<h3>What is an organ system?</h3>

An organ system is a biological system made up of a collection of organs that collaborate to perform one or more functions.

Each organ in a plant or animal body serves a specific function and is made up of distinct tissues.

Every organ in the organ systems work in coordination to perform all the bodily functions. The organ systems work together to regulate body processes.

Thus, the correct option is B.

For more details regarding organ system, visit:

brainly.com/question/13278945

#SPJ1

6 0
2 years ago
So I have to do a biology assignment and all you have to do is answer questions about some pictures of cells and etc.I really ca
aalyn [17]

Answer:

k but where is the question

4 0
3 years ago
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