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Mumz [18]
3 years ago
15

The mitotic spindles arise from which cell structure?

Biology
1 answer:
Lapatulllka [165]3 years ago
5 0

Answer:

The correct option is : b. centrosome

Explanation:

Centrosome is a cell organelle, which acts as the microbule organizing center and also regulates the cell cycle progression in an eukaryotic cell.

During the prophase stage of the cell cycle, the centrosomes are associated with the membrane of the nucleus. The nuclear membrane ruptures during the mitosis and the interaction of the centrosome nucleated microtubules with the chromosomes leads to the formation of the mitotic spindle.

<u>Therefore, mitotic spindles arise from the centrosome.</u>

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How do we represent Dominant and recessive traits in a Punnett square?
aev [14]

Answer:

Dominant traits are an Uppercase letter. Recessive traits are a lowercase letter.

Explanation:

<h3>Example:</h3><h3 />

               Recessive = r

               Dominant = R

6 0
3 years ago
Mitosis and meiosis are similar processes, but they have some very important differences. Explain how mitosis and meiosis are al
solmaris [256]
Similarities: Mitosis and meiosis both involve cell replication. They both involve prophase, metaphase, anaphase, and telophase.
Differences: Meiosis creates gametes while mitosis creates somatic cells. Mitosis creates two daughter cells, while meiosis creates four sperm cells in men and one egg cell and three polar bodies in women. Mitosis involves one round of cell division, while meiosis involves two. Mitosis creates cells that have the same number of chromosomes as the original cell, while meiosis creates cells that have half the number of chromosomes as the original cell.
Hope that helped you. 
P.S. There are more similarities and differences, challenge yourself and see if you can find them! Good luck.
4 0
3 years ago
Nontlowerng plants that disperse the feds 'n ones are called. A gymnosperms. B ANGIOSPERMS C. CARBONIFEROUS. D. SUBCUTANEOUS
WARRIOR [948]

Answer:

A gymnosperms

Explanation:

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6 0
4 years ago
Name the three types of population distribution, describe each, and explain the conditions that govern each.
kakasveta [241]

Answer:

Three types of population distribution:

Clumped.

Random.

Uniform.

Explanation:

1. Clumped:

This is the most common pattern of population dispersion.

organisms are clustered together in a group.

This may reflect the patchy distribution of resources in the environment.

2. Random:

This is a typical distribution where individuals do not interact strongly.

The organism has unpredictable distribution.

3. Uniform:

This is the typical environment where individuals compete with each other for scarce resources like water in the desert.

organisms are evenly spaced over the area they occupied.

This was previously answered by "Anshults", https://brainly.in/profile/Anshults-4402044

So all credit to them :)

7 0
3 years ago
Read 2 more answers
Which of the following is a possible cost of using renewable resources? a. loss of animal species b. land degradation c. lower a
Eva8 [605]

Answer: d. all of the above

Renewable resources are those which can  be replenished or reproduced at a faster rate. But heavily decrease in the volume of these resources sometimes cannot be compensated.

a. Loss of animal species: Hunting and poaching of animal species has limited the population of endangered species to derive valuables like horns, skins from these animals for human use.

b. Land degradation: Landmass occupied by natural forests and other natural biomes are cleared for human use like agriculture, mining, urban development. These lands are loosing their natural potential and are treated as waste lands.

c. Lower availability of fresh water: Water from water bodies like lakes, rivers, groundwater, ponds are polluted by industrial, agricultural wastes making water unfit for human use. Groundwater are pumped out to maximum amount but the same level cannot be maintained by natural sources of water such as rain, agricultural field irrigation, river or any other means therefore, limiting the level of water in grounds.

6 0
4 years ago
Read 2 more answers
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