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luda_lava [24]
1 year ago
7

when diffusion has reached equilibrium, we say that the net movement of the molecules is zero. Does this mean these molecules be

low would stop moving? Explain using the image below
Biology
1 answer:
ki77a [65]1 year ago
7 0

When diffusion has reached equilibrium, the movement of molecules will not stop.

<h3>What is diffusion?</h3>

Diffusion is defined as the movement of solute molecules from the region of higher solute concentration to the region of lower solute concentration.

Diffusion is useful in the processes below:

  • Diffusion of chemicals and gases in and out of cells.

  • Diffusion of oxygen and carbon dioxide gas which occurs in the lungs.

  • Diffusion of water, salts, and waste products which occurs in the kidneys.

  • Diffusion of calcium from food into cells which occurs in the intestines.

During the process of diffusion, equilibrium of movement between the solute molecules are said to be reached when the concentration between the two medium becomes the same.

Even when equilibrium is reached, particles of a solution will continue to move across the membrane in both directions.

Therefore, when diffusion has reached equilibrium, the movement of molecules will not stop.

Learn more about diffusion here:

brainly.com/question/94094

#SPJ1

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What does the term allele frequency refer to in population genetics?
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Answer:

Allele frequencies refer to a decimal, a percentage, or a fraction, because allele frequencies is the total number of copies of all the alleles at the particular genetic locus in the population.

Explanation:

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Tariq watches a hummingbird hover around a petunia flower. He remembers that when two species interact with each other closely,
ch4aika [34]

Answer:

C.

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In the context of evolutionary biology, coevolution refers to the evolution of at least two species, which occurs in a mutually dependent manner. ... An example is the coevolution of flowering plants and associated pollinators (e.g., bees, birds, and other insect species)

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3 years ago
What would be the effect on DNA replication of mutations that destroyed each of the following activities of DNA polymerase I?a.
lbvjy [14]

Answer:

a. 3′→5′ exonuclease activity = No proof reading

b. 5′→3′ exonuclease activity = No primer removal

c. 5′→3′ polymerase activity = No gap filling

Explanation:

<u>a) 3′→5′ exonuclease activity = No proof reading</u>

3′→5′ exonuclease activity of DNA polymerase I is responsible for proof reading so that if a wrong nucleotide is inserted during replication, it could be removed. So if a mutation will occur in the domain which is responsible for 3′→5′ exonuclease activity error prone DNA replication will occur.

<u>b. 5′→3′ exonuclease activity = No primer removal</u>

5′→3′ exonuclease activity is useful in removing primers so that appropriate nucleotides could be inserted in the lagging strand. But if mutation will occur in this part of DNA polymerase I then primer will not be removed and replication of lagging strand will be at halt.

<u>c. 5′→3′ polymerase activity = No gap filling</u>

5′→3′ polymerase activity of DNA polymerase I, joins the nucleotides in the lagging strand where the gaps have been created after removal of primer. So the gaps created after removal of primer in the lagging strand will not be filled if there will be a mutation in this segment of DNA polymerase I.

3 0
3 years ago
1. This scene is in British Columbia's Mount Robson Provincial Park.
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There are four environments on Earth that are called spheres: hydrosphere, lithosphere, atmosphere, and biosphere.

<h3>Features associated with each of Earth's four spheres.</h3>

<h3>Hydrosphere </h3>

It is the set of all the water on the planet, including those that form clouds.

<h3>Lithosphere</h3>

The continuous part of our planet, made up of rocks and soil. The most superficial part is called the earth's crust.

<h3>Atmosphere</h3>

It is the gaseous sphere that surrounds our planet, composed mainly of gas oxygen and gas.

<h3>Biosphere </h3>

It is the part of our planet that can support life

<h3>Internal processes</h3>

The atmosphere and hydrosphere are the main regulators of the planet's climate. Without both, the temperature changes would be very sudden: at night it would drop to minus 150°C and during the day above 100°C, making life on Earth difficult.

With this information, we can conclude that the spheres of the earth, support life, and make the planet earth unique.

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