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Over [174]
3 years ago
7

What is a cell wall and what are its functions ​

Biology
1 answer:
defon3 years ago
8 0

Answer:

a rigid layer of polysaccharides lying outside the plasma membrane of the cells of plants, fungi, and bacteria. In the algae and higher plants it consists mainly of cellulose.

Explanation:

i hope this helps!

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Polar climates are characterized by
baherus [9]

Answer:

Low rates of evaporation

Polar climate is found in regions around the north and south poles. They include the Arctic and Antarctica regions.

Explanation:

The regions are mainly cold, dry and windy. This is mainly due to their positionon earth relative to sun causing them to receive very little annual sunlight energy compared to other latitudes of the earth. Therefore most of the moisture is locked up in ice hence the dryness of the region. This is not helped by the thin atmosphere in these regions. This means they cannot retain heat because infrared (the electromagnetic waves responsible for heat transfer) boucing up from the earth's surface easily escapes back to space from this region of earth. The heat needed to spur precipitation, therefore, lacks and hence the dryness.  Temperatures in these regions range at averages of 10 degrees centigrade on the warmest summer months.

Learn More:

To learn more about climatic regions check out;

brainly.com/question/8407720

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3 years ago
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CaHeK987 [17]

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6 0
3 years ago
The "crossing over" of maternal and paternal genetic information in chromatids to form new combinations of genetic information o
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As we know chromosomes carry genetic information. This crossing over process happens in eukaryotic cells and occurs during the mitosis phases of cell division.


Hopefully this helped.
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Which of the following is the secondary principle of proportion?
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