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3 years ago

_______ are slender projections on the tips of some taste bud cells that extend into the taste pore.

1 answer:

7 0

The microvillus are tiny hair- like membrane that greatly increase the amount of surface area of the cells for better reception. It plays a major role in the tongue that are responsible for sending signals to the brain which then decides the taste of the food particle that is on the tongue.

The long and slender structure gives greater space for absorbing the data and then convert them into signals. Hence the microvillus are the slender projections on the tips of some taste bud cells that extend into the taste pores

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3 years ago

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A molecule that can be used as a molecular clock has a neutral mutation rate of one mutation per 5 million years. How many years

zubka84 [21]

Answer:

20 million years

Explanation:

If we have a neutral mutation rate of one mutation per 5 million years, then the total of eight mutation between the two different species would be 20 million years. This is because both species will have 4 mutations in those 20 million years, so combined, both by 4, will have 8 mutations between them. So few mutations on so much time will result in two species that are very similar to each other even after 20 million years of evolution, even making them hardly distinguishable, especially if it comes to defining fossil records from them both. A nice example of this are the members of the felidae (cat) family, which are all very closely related, and are almost identical, thus making it extremely hard to distinguish two species of the same or similar size by their fossils.

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4 years ago

3. Imagine that you are a drop of blood. What path would you follow through a

blondinia [14]

Answer:

a. Heart...

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e. heart

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Explanation:

First I will go from the heart to the lungs through pulmonary artery in order to purification from carbondioxide and loaded oxygen. After that, I return to the heart through pulmonary vein and the heart pump this blood to the aorta which is a big blood vessel that branched into small arteries that reaches to every cell of the body and through these arteries I reach the big toe of the foot.

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3 years ago

Which of the following statements does NOT accurately describe difference between mitosis & meiosis? A.mitosis is used to pr

yanalaym [24]

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You spot a sea snake while you are in a boat on the Atlantic Ocean and remark about how similar it looks to a snake that lives i

lukranit [14]

Answer:

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3 years ago