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ololo11 [35]
2 years ago
15

Label all 18 phases of mitosis of an onion root cell

Biology
1 answer:
kupik [55]2 years ago
7 0

Answer:

sorry wish I could help I just don't understand it ??

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Explain what it means for a section of DNA to be considered a molecular clock. Be sure to discuss the importance of neutral muta
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  <span>Neutral mutations are neither harmful nor beneficial. 

Therefore, they are invisible to natural selection. (Since they neither improve nor worsen one individual's chances of survival and reproduction over another.) 

However neutral mutations can still spread into the population by just random replications and matings. This is called genetic drift. 

In other words, they are 'silent'. They are mutations that exist and propagate in populations, but seem to have no effect at all. 

The reason they can become important to evolution is that a day can come when they *do* have an effect. In other words, even though an individual mutation may have no immediate effect on survival or reproduction, a *combination* of neutral mutations may provide some new benefit or harm ... at which point natural selection *will* act on that combination. 
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I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
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2 years ago
Which of the following is the correct sequence of blood flow in birds and mammals? a. pulmonary vein → left atrium → left ventri
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The correct answer is C. The right side of the heart delivers deoxygenated blood (from vena cava) to the lungs (via pulmonary artery)
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3 years ago
A nerve cell can replace itself after injury.
Soloha48 [4]

Explanation:

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Most familiar non-vascular plants that contain simple conducting cells are
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The most familiar non-vascular plants that contain simple conducting cells are Mosses. Most non vascular are bryophytes and are small in size, they lack vascular tissues and also lack true leaves, seeds, and flowers. Instead of roots, the have hair-like rhizoids that functions to anchor them to the ground and to absorb water and mineral salts from the soil. They are three types, mosses, hornworts and liverworts.
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