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maw [93]
3 years ago
8

How do you think the change in

Biology
1 answer:
uysha [10]3 years ago
5 0

Answer:

Explanation:

Since the sun is out for less time when the days shorten the chlorophyll levels drop, which is why the leaves turn brown or other colors then fall.

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Which of the following information could be included in the description of a grasshopper’s niche, but not in a description of it
Ivan

The niche of grasshopper would include the plant species it eats.

Explanation:

The niche of an organism is different to that of a habitat. A niche includes the interaction between organisms and the food that they eat, whereas, a habitat is a place where organisms are provided with food, protection and shelter.

Habitat is a place of ecosystem that involves other environmental factors like- rain, sunlight, humidity etc. So, food type eaten by grasshopper would be the description of a niche and not a habitat.

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Active transport and facilitied diffusion relation
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Answer:

Both facilitated diffusion and active transport are selective processes. Only selective molecules are allowed to cross the membrane. They utilize carrier proteins to move across the membrane.

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Molecules migrate from a region of higher concentration to a lower concentration in case of diffusion. It can be classified into simple diffusion and facilitated diffusion. These are examples of <em>passive transport</em>.

In facilitated diffusion molecules move across the concentration gradient with the help of <em>carrier proteins or channel proteins</em>. The carrier proteins bind to the molecule which has to be transported and change conformation to allow it to cross the membrane. For example glucose molecule is carried across through <em>GLUT transporter</em>. <em>Channel proteins</em> open a channel inside the membrane and molecules get transported across the gradient.

Active transport carries molecules against the concentration gradient with the assist of energy. ATP hydrolysis is utilized to generate energy. As a result of active transport, the molecules are aggregated on one side of the membrane.

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If a parent cell has 54 chromosomes how many will the daughter cell have after meiosis
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54÷2=27 chromosomes .
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