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NNADVOKAT [17]
3 years ago
10

Cosa sono i celenterati?

Biology
1 answer:
Verdich [7]3 years ago
5 0

Answer:

celenterato è un animale invertebrato acquatico di un phylum che comprende meduse, coralli e anemoni di mare. Di solito hanno un corpo a forma di tubo o di coppa con una sola apertura circondata da tentacoli che recano cellule pungenti.

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if there is a high concentration of substances inside of thecell and a low concentration of substance ousdieof the cell wich dir
inna [77]

The concentration gradient will be in the direction from the cell to the outside of the cell .

<h3>What is concentration gradient and how the direction is from inside to the outside ?</h3>
  1. Concentration gradient will be from inside of the cell to the outside of the cell that is from high concentration to the low concentration.
  2. The concentration of substances inside the cell if given to be more than the concentration of the substance inside the cell.
  3. We have always studied that the direction of concentration gradient is from high to low.
  4. Since the concentration inside is high so the direction will start from the higher concentration.
  5. To the place where concentration is low that is outside of the cell.

To know more about concentration gradient visit:

brainly.com/question/13050811

#SPJ13

7 0
1 year ago
8)
kotykmax [81]
D) Photosynthesis

Explanation:
Plants use Carbon dioxide in the process that turns sunlight, carbon dioxide and water into glucose and oxygen
6 0
3 years ago
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When a calcium ion binds to troponin:
guapka [62]

Answer:

Option (A).

Explanation:

Muscle contraction may be defined as the physiological process of the activation of tension generating sites that occur within the muscle fibers. Actin, myosin, troponin and other proteins are important for muscle contraction.

The calcium ion is important for the muscle contraction. The binding of calcium with troponin causes the movement of tropomyosin out of the grooves between the actin molecules during muscle contraction.

Thus, the correct answer is option (A).

6 0
4 years ago
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The chromosome number in animals is kept the same from one generation to the next because of _____. binary fission multiple fiss
inna [77]
<span>Mitosis 

Mitosis and meiosis are simply cell division processes that occurs differently, they're characteristically divergent from each other according to their function and structure. Mitosis is the cell division that happens in all cells in the human body except sperm and egg cells. They produce diploid cells. Meiosis on the other hand is responsible for the cell division of the gametes, spermatogenesis (sperm cells) and oogenesis (egg cells), such haploid cells. </span>
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3 years ago
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What are two ways a population can decrease in size?
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By the people and by the community
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3 years ago
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