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VashaNatasha [74]
3 years ago
6

The _____ sits below the stage and varies the field for viewing the specimen.

Biology
1 answer:
Sophie [7]3 years ago
4 0

Answer:

Diaphragm

Explanation:

This is also referred to as the iris.it is located under the stage of the microscope. It's main role is to control the quantity of light that gets to the specimen. The diaphragm is adjustable. Each if the 5 holes in the disc have varying diameter. And it is helpful for adjusting contrast and resolution as regarding the specimen

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Plants that produce seeds within a cone are called _____.
Sedbober [7]

Answer:

Gymnosperm

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4 years ago
Could someone plz help me with this!!! with thorough answers!!! One who answers with the best answer gets the crown!
creativ13 [48]

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Melanin helps the mouse survive because of the fur color. Its color helps it to blend into its surroundings, making it a lot harder for predators to kill it, as the predators have a harder time seeing the mouse.

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6 0
3 years ago
Hyperpolarization means that the ________. Group of answer choices membrane potential becomes more negative than the resting pot
gladu [14]

Answer:

Hyperpolarization means that the membrane potential becomes more negative than the resting potential.

Explanation:

The voltage across the membrane of a neuron that is at rest and not sending out signals is called the resting membrane potential, or just the resting potential. The concentration gradients of ions across the membrane and the amount of each type of ion that can pass through the membrane determine the resting potential. When a neuron is at rest, there are different levels of sodium and potassium on both sides of the cell membrane. Ions move down their gradients through channels. This creates a difference in charge, which gives rise to the resting potential.

When the membrane potential at a particular location on the neuron's membrane gets more negative, this phenomenon is known as hyperpolarization. Depolarization, on the other hand, occurs when the membrane potential becomes less negative (more positive). Both depolarization and hyperpolarization can take place as a result of the opening and closing of ion channels in the membrane, which changes the rate at which certain types of ions can enter or leave the cell.

<em />

<em>Your question is incomplete, but most probably your full question was </em><em>Hyperpolarization means that the membrane potential becomes  Group of answer choices </em>

<em>more negative than the resting potential </em>

<em>more positive than the resting potential</em>

Learn more abour hyperpolarization here:

brainly.com/question/12982897

#SPJ4

3 0
2 years ago
Dalton’s theory was identified using
Likurg_2 [28]

Answer:

Explanation:

Actually it was the experimental results of other scientists. The main stems of the theory was the indivisibility of small spheres (his image) that represented the elements he knew which reacted with other elements.

They seemed to give the same ratios in reactions (definite proportions) and multiple whole number ratios. Look up Lavoisier.

7 0
3 years ago
The frog population in the amazon basin varied. Every 500 years, there was a mutational change leading to speciation. In between
Ratling [72]
Punctuated Equilibrium
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3 years ago
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