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Dimas [21]
3 years ago
11

What are three functions of proteins?

Biology
1 answer:
velikii [3]3 years ago
3 0
1) To lower the activation energy needed to start a reaction - this is done through enzymes
2) Energy - this is done through storing sugar
3) Transportation - this is done through hemoglobin
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A communications satellite transmits a radio wave at a frequency of 9.4 x 10^9 Hz. What is the signal’s wavelength? Assume the w
sergejj [24]
To calculate this we will use the light equation:
c=λ*f

We have Frequency f=9.4* 10^{9}Hz.
We know that speed of light in vacuum is c =3.8* 10^{8} m/s.
Since a unit of speed of light is m/s, we can change the unit of frequency Hz to 1/s, since Hz means cycles per second (f=1/T).

So:
f=9.4* 10^{9}1/s
<span>c =3.8* 10^{8} m/s
</span>
<span>c=λ*f
</span>⇒ λ= \frac{c}{f}
⇒ λ= \frac{3.8* 10^{8}}{9.4* 10^{9}}
⇒ <span>λ</span>=0.04 m

5 0
4 years ago
Coloured layer of eye​
bonufazy [111]
<h2>Iris</h2>

Hi, I’m Lena and I’ll be here to answer your question with a good-quality answer. If there's something I can improve, let me know! ツ

♡ Let’s look at the main important things that will lead you in the correct path.

♥ For future reference, the iris is the portion of the eye that controls the amount of light that is let into the inner eye.

♥ Your eyes get color depending on how much pigment melanin you have inside your iris! Pretty cool, right?

So there you go. The iris is the coloured layer of the eye. Have a fantastic day and please do not hestitate to ask me any further questions!

3 0
3 years ago
Read 2 more answers
Why do cells need energy from food
fenix001 [56]

Answer: bc any living organism must take in energy via food, nutrients, or sunlight n order 2 carry out cellular processes.

Explanation: The transport, synthesis, n breakdown of nutrients n molecules n a cell require the use of energy.

hope it helps:))

4 0
4 years ago
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When levels of sodium in the blood are too low, which condition can occur?
nikdorinn [45]
Hyponatremia hope it helps
6 0
3 years ago
What is the term for a membrane-enclosed structure within a cell that performs a specific function?
shtirl [24]

Answer:

Nucleus

Explanation:

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4 years ago
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