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tiny-mole [99]
3 years ago
13

Can the change in cyclin concentration during mitosis be explained by the fact that the cell divides in two and thus divides the

material in the cell into two smaller volumes
Biology
1 answer:
Sphinxa [80]3 years ago
4 0

Answer:

No, because cell division is expected to decrease not only the net amount of cyclin molecules in daughter cells but also the volume of these daughter cells compared to the original parent cell, and therefore the concentration should be nearly equal.

Explanation:

When a cell divides to produce two daughter cells, the cell components including its previously duplicated genetic material (DNA), organelles, signaling molecules, fatty acids (lipids), proteins, etc., are distributed into daughter cells. These daughter cells have a smaller volume compared to the original parent cell. In consequence, the concentration of cellular components (including cyclin proteins) should be similar between parent cell and daughter cells.

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3. How do floods affect the environment? Select all that apply.
Tcecarenko [31]

Floods affect the environment by destroying building, creating areas of more fertile soil and speeding up the weathering of rock.

Answer: Option A,B & C

<u>Explanation:</u>

Floods obviously destroy every building on its way ruining the whole place taking away the lives of people and stock. But the flood also carries many nutrients along it’s way which creates areas of more fertile soil.

Unexpected floods enter into the holes of the rock and during winter it transforms into ice and causes crack in the rock. The flood water gushing fast normally breaks down the corners of the rock hence causing weathering of rock.

4 0
3 years ago
What other features of annelids appear in other phyla?
olga_2 [115]

Answer:

Characteristics of Annelida: Plesiomorphies and Other Features

Symmetry and Size. Annelids are all bilaterally symmetrical animals. ...

Coelom. Nearly all annelids have a fluid-filled cavity between the outer body wall and the gut, and this is referred to as a coelom (Figure 1). ...

Body wall. ...

Parapodia. ...

Nervous system. ...

Sense organs. ...

Circulation and respiratory structures. ...

Segmental organs.

Explanation:

hope this helped!

7 0
3 years ago
What might the shape of the skull and the supraorbital height tell us about each species?
Sladkaya [172]

Answer: The shape of the skull and the supraorbital height tell us the following about each species-

  • It can tell us about the intelligence of species and what all senses they were dependent upon for their survival
  • Most of the species possess similar skulls as mostly their structures are  oval shaped, sloped or round shaped.
  • Species have different food habits that is determined by the teeth, which vary from long and dull to short and dull.
  • Variation in teeth and face shapes could also be due to different geological locations.
  • In particular, the foramen magnum be located where the spine connects can be attributed to how the species gathered food through hunting and what kind of food they sought after.
  • Overall, the shape and the supraorbital height of each skull informs us the advantages and disadvantages each species had in its ecosystem.
  • It also tells what probable causes of death would be when the species died.
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3 years ago
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Explanation:

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