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coldgirl [10]
3 years ago
9

Why can humans not see ultraviolet (UV) light?

Biology
1 answer:
SVEN [57.7K]3 years ago
4 0

Answer:

Most humans cannot see ultraviolet light because it has a smaller wavelength than violet light, putting it outside of the visible spectrum.

hopethishelpsyou

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Let's consider a scenario in which the resting membrane potential changes from −70 mv to +70 mv, but the concentrations of all i
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<span>Let's consider a scenario in which the resting membrane potential changes from −70 mV to +70 mV, but the concentrations of all ions in the intracellular and extracellular fluids are unchanged. Predict how this change in membrane potential affects the movement of Na+. The electrical gradient for Na+ would tend to move Na+ Outside the cell (extracellular) while the chemical gradient for Na+ would tend to move Na+ Inside the cell (intracellular).

The electrical gradient is defined as the + goes to the - and the - goes to the +
Na + has a positive charge, but there's more positive charge inside the cell than outside (due to potassium), therefore, Na+ goes extracellular (out)
The concentration gradient considers that the ion will go from the most concentrated to at least concentrated by passive diffusion so no trans-membrane proteins in the game attention.Na + is very concentrated in extracellular and few intracellular, therefore, it tends to go intracellular (in).</span>
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3 years ago
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3 years ago
Describe the stretch shortening cycle (sac) <br> and explain how it relates to exercise
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4. A frog has been brought into the rehabilitation clinic and seems to have reddened
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Explanation:

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The answer is A.

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