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anyanavicka [17]
3 years ago
7

Scientific investigations are done by following which process?

Biology
1 answer:
DiKsa [7]3 years ago
8 0

Answer:

scientific theory

STEP BY STEP EXPLANATION

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In meiosis, each centromere has a spindle fiber attached only to one side. In mitosis, each centromere has a spindle attached to
Zielflug [23.3K]

Answer:

In mitosis, each centromere has a spindle attached on both side of centromere

Explanation:

In mitosis, each centromere has a spindle attached on both side of centromere because Spindle fibers move chromosomes during cell division by attaching to chromosome arms and centromeres. A centromere is the specific region of a chromosome where replicates are linked together.

Spindle fibers are active in mitosis and also meiosis and they move throughout the cells and also direct chromosomes to move to where they need to move to.

Spindle fibers function in centromere in mitosis and meiosis by pulling homologous chromosomes apart after they might have been replicated to prepare for division.

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3 years ago
18. Aerobic respiration produces more cellular energy than respiration in an anaerobic environment.
Ahat [919]
I’m pretty sure the answer is true
5 0
2 years ago
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Some simple columnar and pseudostratified columnar epithelia have ________ cells, which produce a protective mucous coating over
vagabundo [1.1K]

Goblet cells are those secretory cells or unicellular glands, which make and expel mucus can be found in simple columnar and pseudostratified columnar epithelia.

<h3>What are goblet cells? </h3>

They are goblet-shaped cells that have a basal nucleus and a cytoplasm loaded with mucins (the main component of mucus).

<h3>Characteristics of goblet cells</h3>

  • It is present in the epithelia of the respiratory and digestive systems.

  • Its main function is to secrete mucus, which protects and lubricates the inner surface of simple columnar and pseudostratified columnar epithelia.

Therefore, we can conclude that goblet cells are mucus-secreting cells present in epithelial linings.

Learn more about goblet cells here: brainly.com/question/24688127

7 0
2 years ago
Amoebas are unicellular. The single cell splits in half to form two new cells. A student claims amoebas are
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Answer:

If you watch carefully how the amoebas move, you're likely to find legs squirming and wiggling around trying to cover space. So this proves amoebas are alive.

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Amoebas are living organisms belonging to the kingdom Protista. They are single-cellular organisms that move by extending and moving pseudopodia, extensions of their cellular membrane.

6 0
3 years ago
50 points brainliest to whoever answers all
vivado [14]

Answer:

Explanation:

1: it left rich black soil

2:The rosetta stone

3: not 100% on this one but i think it's they had planned grid-like streets

4:The began near the yellow and yangtze rivers

I did this last year. im pretty sure they are correct but am really sorry if they aren't. hope it helps

6 0
4 years ago
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