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Luba_88 [7]
3 years ago
9

Research has demonstrated that neural stem cells have an impaired ability to differentiate into functional neurons when subjecte

d to:
Biology
1 answer:
klio [65]3 years ago
8 0
Research has demonstrated that neural stem cells have an impaired ability to differentiate into functional neurons when subjected to ethanol. They found out that treating cultured neural system impairs their ability to differentiate in functioning neurons. With this impairment it seems to be united with aberrant, dense methylation and loci which are active in normal tissue.
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A 2-day-old infant who weighs 6 lb (2722 g) is fed formula every 4 hours. newborns require about 73 ml of fluid per pound (454 g
Tcecarenko [31]
The answer would be 72.94 ml/times

In this problem, the infant is fed for every 4 hours. Then, the frequency of feeding for a day would be: (24hours/day) / 4 (hours/times)= 6 times/ day.
The volume of feeding for a day that the infant need would be: 2722 g/(<span>454 g/73ml)= 473.68ml
The number of milk for every fed would be: (</span>473.68ml/day)/ (6 times/day)=  72.94 ml/times
5 0
3 years ago
which type of transport would be required for the solute molecules to move against the concetration gradient?
larisa [96]

Answer:

<u><em>Active Transport</em></u>

Explanation:

<u><em>active transport </em></u>

During <u><em>active transport</em></u>, substances move against the concentration gradient, from an area of low concentration to an area of high concentration. This process is “active” because it requires the use of energy (usually in the form of ATP). It is the opposite of passive transport.

7 0
3 years ago
A phylogeny of some land plants is shown above. Which statement correlates accurately with the tree shown above?
mezya [45]

Answer:

D - Flowering plants and ferns have a more recent common ancestor than they do with spike mosses

Explanation:

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3 years ago
Cells require lipids to
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Cell membranes are important because they protect the cell and control the materials that flow in and out of it. Lipids are needed in order to create the membranes in the cell.

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Why Do We Have Different Seasons
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The earth rotates on a spinning tilted axis which causes the sun to face different sides of the earth, thus causing season changes.
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