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Papessa [141]
3 years ago
9

What stimulates cell division?

Biology
2 answers:
algol [13]3 years ago
8 0
C I think I'm not 100% sure
aleksley [76]3 years ago
8 0
<h3><u>Answer;</u></h3>

A.) Stimuli and regulating protein agents stimulate cell division.

<h3>Explanation;</h3>
  • <em><u>Cell division is the process that occurs in organisms where a individual cell divides into two or more daughter cells. </u></em>
  • <em><u>There are two major types of cell division, mitosis that takes place in the somatic cells and meiosis that takes place in the germ line cells.Cell division is regulated  by both external factors and internal factors. </u></em>
  • External factors include physical and chemical signals from metabolic pathways. <em><u>Stimulation of cell division is by proteins called growth factors, which are most important in embryonic development and cell repair and wound healing.</u></em>
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An enhancer may increase the frequency of transcription initiation for its associated gene when… (indicate true or false for eac
Olenka [21]

Answer:

it is located 1000 nucleotides upstream of the gene’s core promoter - true

it is located 1000 nucleotides downstream of the gene’s core promoter- true

it is in the gene’s coding region - False

Explanation:

These enhancers are located 50 or more kilobases from the promoter they controlled upstream from a promoter, downstream from a promoter within an intron, or even downstream from the <u>final exon</u> of a gene which can be thousands of bp away from the gene's core promoter and can also occur thousands of nucleotides away from the gene's core promoter needing the activity of a DNA -bending protein that binds to the enhancer changing the shape of the DNA and allow interactions between the activators and transcription factors.

4 0
3 years ago
The endosymbiotic theory proposes that eukaryotic cells arose as a result of large cells engulfing smaller, aerobic bacteria. th
lina2011 [118]

The organelle that provides evidence for this theory is the mitochondria and the chloroplast.

<h3>What is the endosymbiotic theory?</h3>

The endosymbiotic theory is the theory which describes how the eukaryotic cells arose from simple prokaryotic cells.

In the endosymbiotic theory states that when two prokaryotic cells with several abilities came together, one engulfed the other and existed in a symbiotic relationship that enabled  the cells to meet their needs for survival an growth.

The mitochondria and the chloroplast provides evidence for the endosymbiotic theory.

In conclusion the endosymbiotic theory describes  how eukaryotic cells arose from simple prokaryotic cells.

Learn more about endosymbiotic theory at: brainly.com/question/1698852

#SPJ1

8 0
2 years ago
.Which has more thermal energy, 500mL of boiling water or 250mL of boiling water?
kirill [66]
250ml cuz there’s less molecules that need to be heated w each unit of heat
7 0
3 years ago
What is a small structure within the cell that builds proteins called?<br> ...?
Nesterboy [21]
<span>Ribosomes are the protein builders or the protein synthesizers of the cell. They are like construction guys who connect one amino acid at a time and build long chains. Ribosomes are special because they are found in both prokaryotes and eukaryotes.</span>
4 0
3 years ago
Read 2 more answers
1. There are two birds that live in the same type of tree, same climate, and eat the same type of fruit. However, one is nocturn
matrenka [14]

Answer: different species

Explanation: They live in the same community like a Gouldian finch and a Double-Barred finch but are different species

6 0
3 years ago
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