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arlik [135]
3 years ago
13

The unique properties of water enable life to exist on Earth. Which of these

Biology
1 answer:
12345 [234]3 years ago
3 0

Answer:

A

Please mark brainliest if correct. Have a blessed day. :)

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Describe the differnt phrases and changes of female reproductive system during a menstruation cycle
GenaCL600 [577]
Basically we can divide the whole cycle into 6 phrase. menstruation, repair phrase, ovulation, receptive phrase, and pre menstrual phrase, all in this order.
usually a cycle takes around 28 days, but it can sometimes be longer or shorter depending on different women.
for around the first 5 days (again, it's not exact days) it's menstruation, uterus lining is shed out from the vagina. this only occurs if fertilisation and implantation does not take place.
then for the next few days, it's the repair phrase, oestrogen helps repair the lining of uterus, to thicken it up, to prepare for fertilisation and implantation, a place for the fetus to develope.
next 3 days will be ovulation, where the ovary will release one mature egg (but sometimes 2 or none) into the oviduct, the egg can only survive for a few days so if fertilisation doesn't occur during this phrase, menstruation will occur that cycle.
next will be receptive phrase, where the lining keeps on thickening, and the thickness is maintained by progesterone, another female hormone.
at last it's the pre menstrual phrase, lining will start to degenerate unless implantation ocured.
hope this helps
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3 years ago
Which of the following should be included in an effective emergency kit?
Dominik [7]
Non perishable food is the answer to this 

7 0
3 years ago
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What is one transition word in my life with chimpanzees
bazaltina [42]

Answer:

the tranistion word is with beacuse its transitioning into the suprise

Explanation:

6 0
2 years ago
A class of lipids used as chemical messengers, to signal cells to undergo changes, is called triglycerides. phospholipids. polys
max2010maxim [7]

A class of lipids used as chemical messengers, to signal cells to undergo changes, is called Monoglycerides. Its a class of glycerides which are composed of molecules of glycerol linked to fatty acid by easter bond.

Monoglycerides are the type of glyceride and that made up of glycerol and one fatty acid chain. Triglycerides are very similar expect they have three fatty acid chains. Mono and diglycerides may be manufactured through the reaction of plant or animal derived fatty acids with glycerol which breakdown plant or animals which derived fats and oils.

Lipids such as steroid hormones that serve as chemical messengers between cells , tissues and organs and other communicate signals between biochemical system within a single cell.

To learn more about Monoglycerides here

brainly.com/question/7156210

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2 years ago
A plant that reproduces sexually has flowers that contain both male pollen and a female ovary. The plant cross-pollinates and fo
Aneli [31]
The correction option is B. The plants that belong to phyllum anthophyta are heterosporous, that is, they produce both male and female reproductive organs separately. Fruits grow when the male gamete fertilizes the female ovary. Their fruits are always fleshy with seeds inside them. A good example of a plant that belong to this phylum is pawpaw.
4 0
3 years ago
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