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LekaFEV [45]
3 years ago
6

When you use toothpaste, part of a protist is helping to smooth and clean your teeth. Which part of the protist and type of prot

ist are most likely responsible for this benefit to humans?

Biology
2 answers:
djyliett [7]3 years ago
7 0

The protest that is present in toothpaste belongs to the phylum Chrysophytes species Diatoms. It has a flexible cell membrane which is made of silica. This will help them keep their cells shape, provides protection and helps keep water in its body.

Stolb23 [73]3 years ago
7 0

The answer is below.

Good luck!

-<em>RxL</em>

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FinnZ [79.3K]

Answer:

  • <u>Medullary hormones</u>: the epineprhin and the norepineprhin. <u>Five different effects that these hormones produce are:</u> increase heart rate, produce cardiac muscle contraction, elevate blood preasure, increase breathing, dicrease digestive activity, increase metabolic rate.
  • <u>The most important mineralocorticoid secreted by the adrenal cortex: </u>aldosterone.
  • <u>Actions of the aldosterone: 1. </u>Conserves sodioum ions and water in kidneys. 2. Excrete potasium ions 3. Conserves H2O.

Explanation:

The epineprhin and norepineprhin are the most important medullary hormons. They are so important because of the functions that they have. They are responsable for the increase of heart rate and if it´s movement, along with digestive and metabolic activity.

Thanks to the aldosterone which is the most important secreted minaralocoricoid, kidneys conserve water and sodium and eliminate posatium.

6 0
3 years ago
A number of marine reptiles and birds have salt glands, which have a remarkable ability to concentrate salt solutions for excret
Lemur [1.5K]

Answer:

A)100mL  B)50mL  C)The second option  D)Hypoosmotic Environment

Explanation:

The average Na concentration in the seas and oceans of the world is around 3,5% which mean that in 100 ml of sea water, there is around 3,5 grams of Na.

The weight of one mol of NaCl is 58,44 grams. For 3,5 grams of NaCl, we get 3,5/58,44 = 0,060 mol of NaCl which is 0,060x1000 = 60 mmol/100ml. According to this and the information given in the question about the secretion of the salt glands', if the average sodium concentration is 600mmol/L, we have 60*10 = 600mmol/L so it would take 100 mililiters of water to excrete.

If the average Na concentration of the salt gland's secretion were 300 mmol/L, only 50 mililiters of water would be needed to excrete the same sodium load.

The second option of secretion is hyperosmotic to seawater because the concentration is higher.

Osmoregulation is the process of balancing the amount of water and salt between the body of the organism and its surrounding environment. For salt glands to be advantageous for osmoregulation, they need to be in a hypoosmotic environment.

I hope this answer helps.

3 0
3 years ago
Can someone help plz <br><br>will mark brainliest for the correct answer!
Gnom [1K]

Answer:

B) ATP is not produced during fermentation

Explanation:

Fermentation does not involve an electron transport system, and no ATP is made by the fermentation process directly.

8 0
3 years ago
The coexistence of eight species of woodpeckers in oregon forests is an example of
Natalka [10]
The coexistence of eight species of woodpeckers in Oregon forests is an example of

Resource partitioning

3 0
3 years ago
1. Gametes are formed by.. (1 point)
777dan777 [17]
Hello

Gametes are formed after the cell reproduction process mitosis.

Hope this helps
Plz mark me as Brainliest
7 0
3 years ago
Read 2 more answers
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