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raketka [301]
3 years ago
6

Because structure is related to function, molecules with similar shapes have similar or different biological effects?

Biology
1 answer:
Yakvenalex [24]3 years ago
5 0
Molecules with similar shapes have similar biological effects, because shape (structure) dictates effects (functions).
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One cycle in a polymerase chain reaction (PCR) involves incubating the sample at three successive temperatures: 94° C., 50° C.,
miss Akunina [59]

Answer:

 Initial extension ( elongation)

Explanation:

in PCR cycle  , there is a third step called as extension (also called as elongation step) which is performed at 72  ° C. In this step taq polymerase will add nucleotides to the primers attached for the extension of template Strand.

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How can scientists determine whether a star or asteroid is moving toward earth
sergey [27]

Using the Doppler shift effect

If the celestial body is in the blue shift, then its moving towards earth and if it's in the red-shift then it's moving away from earth.

Explanation:

Doppler shift effect is a phenomenon that occurs in waves due to relativity. When an object is relatively moving toward an observer, it tends to  ‘compress’ the waves into a higher frequency/ shorter wavelength.  Visible light will be observed in blue shift because blue light is of higher frequency than red. If the object is relatively moving away from the observer, it tends to ‘stretch’ the waves. Remember ALWAYS this is relative to the observer. hence giving them the perception of viewing the object in longer wavelength. The object is observed in red shift because red light it has a longer wavelength/lower frequency than blue light.

This phenomenon is not limited to light waves, but happens even in mechanical waves like sound. When a wailing  ambulance is approaching you, you hear it in high pitch. However, when it passes you and moves away from you, you hear it in low pitch.

Learn More:

For more on Doppler shift effect;

brainly.com/question/6787528

brainly.com/question/3841958

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3 years ago
The arctic fox has adapted to its environment in a number of ways. Its fur turns white in winter and it does not begin to shiver
Lelu [443]
 I believe the answer is C.

7 0
3 years ago
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According to the Punnett square for this cross, what percentage of offspring is predicted to have blue feathers? 25 percent 50 p
yawa3891 [41]
What cross? there is no picture on here 
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3 years ago
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Can someone please help me on these? I would like a simple answer, as I'm waiting on someone to get back but they can't come for
scoray [572]
1. 186.6 g (C)

2. 24

3. Synthesis

4. Endothermic

5. Rate

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7 0
3 years ago
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