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Stolb23 [73]
2 years ago
13

Define "Diffusion"..

Biology
2 answers:
anzhelika [568]2 years ago
7 0

Answer:

Below! ;)

Explanation:

The spreading of something more widely.

In my explanation:

Diffusion is for example when there is like a snowball, you throw it at a person/wall and it breaks into tiny particles, that was diffusion of the snowball.

Hope this helps!

Have a nice day!

If you find my answer helpful

<em>Pls consider marking my answer as </em><em>Brainliest</em><em>! It would mean a lot!</em>

taurus [48]2 years ago
3 0

Answer:

the spreading of something more widely.

Explanation:

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In mice, the allele for black fur is dominant to the allele for brown fur. a male homozygous black mouse is crossed with a femal
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B- black allele;
b- brown allele;

The parental cross is true-breeding because both the male and the female are homo zygotes, so: BBx bb

The F1 generation will be all black heterozygote: Bb
The F2 generation will be between mice of the F1 generation and they all have the same genotype:Bb xBb
In this cross it would result in:
 1/4 of the plants being black homozygote-BB 25%
2/4 of the plants being black heterozygote- Bb- 50%
1/4 of the plants being  brown homozygote- bb- 25%
answer: 25%+25%=50%  are homozygotes
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2 years ago
An action potential in one segment of axon causes adjacent sections of axon membrane to reach threshold through what mechanism?
Furkat [3]
<h3>Answer:</h3>

The generation of local currents.

<h3>Explanation:</h3>

An action potential at the axon hillock generates local currents that depolarize nearby sections of axon to threshold. This change in membrane potential causes voltage-gated Na+ channels to open in the adjacent axon segment. This generates/regenerates the action potential in the adjacent segment, causing the action potential to propagate away from the axon hillock.

5 0
3 years ago
The molecular clock has limited usefulness for estimating divergence times among species in part due to the saturation of DNA se
Greeley [361]

<u>Answer:</u>

<em>In highly diverged lineages, the substitutions process will occur at sites that have been substituted previously</em>.

<u>Explanation:</u>

Molecular clock uses the mutation rate to reduce the time in prehistory when the life forms are diverged. <em>The molecular clock uses the sequence of amino acids and nucleotide sequence for the DNA.</em>  

This clock does not measure any time but the number of mutations, and other changes over certain time.  <em>Sometimes its useful property might be limited due to the highly diverged lineages.</em>

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3 years ago
(PLEASE ANSWER) (I JUST WANNA BE ON FALL BRAKE) What characteristic makes osmosis different from diffusion? Answer choices:
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I guess the answer is option C.

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2 years ago
The cichlid is a colorful fish found in freshwater lakes. There are over a thousand species of cichlid fish today. If a species
Andrej [43]

The idea behind an available niche after extinction leading to speciation is: the fact that those species can grow distinct and then in other to survive develop new traits.

<h3>Meaning of speciation</h3>

Speciation can be defined as a process that births new species with different traits while they evolve.

Speciation occurs when extinction is eminent and most time in other to preserve that race they evolve into something new with new traits.

In conclusion, The idea behind an available niche after extinction leading to speciation is: the fact that those species can grow distinct and then in other to survive develop new traits.

Learn more about Speciation: brainly.com/question/2113835

#SPJ1

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1 year ago
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