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Lynna [10]
3 years ago
8

Revise this statement to make it true: Fires always burn without oxygen.

Biology
1 answer:
AlekseyPX3 years ago
5 0
Fire can not burn without oxygen
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Cell at metaphase of mitosis contains 20 sister chromatids, how many chromosomes will be present in a g1 cell? if a cell at meta
kumpel [21]

Answer:

The correct answer would be 10.

The cell cycle can be divided into four phases namely gap 1 (G₁) phase , synthesis (S) phase, gap 2 (G₂) phase, and  mitosis (M) phase.

DNA (deoxyribonuceic acid) content is only replicated and doubled in the S phase. However, the chromosome number remains the same. It can be explained as the number of chromosomes remains the same (2n) but number of chromatids doubles (4n) after S phase.

The number of chromatids restores to 2n in daughter cells after completion of mitosis.

Hence, if number of chromatids in metaphase was 20 i.e. 4n then the number of chromosomes (2n) would be 10.

Hence, 10 chromosomes or 5 pairs of chromosome would be present in the cell during its G₁ phase.

4 0
3 years ago
What are the characteristics of all living organisms
Komok [63]

Answer:

The characteristics of all living organisms:

  • Cellular organization.
  • Reproduction.
  • Metabolism.
  • Homeostasis.
  • Heredity.
  • Response to stimuli.
  • Growth and development.
  • Adaptation through evolution.

* Hopefully this helps:) Mark me the brainliest :)!!!

3 0
3 years ago
Select the correct answer from each drop-down menu. When a liquid is cooled, the kinetic energy of the particles. blank The forc
Tamiku [17]

Answer:

1.) Kinetic energy decreases

2.) The attraction increases

3.) Space between the particles decrease

Explanation:

That's what I think it is.

4 0
2 years ago
You find an undescribed plant. It has small, free-living gametophytes and large, longer-lived sporophytes. You also observe that
Naddika [18.5K]

Answer:

5bvgftrhjnuy67i8uj86cbdr5vgftt6dycbd5vgftrhy64ehvcbgfrdt5t5vcfdrbgcdervt45gfy6ycvfgdbvcbgf d

Explanation:

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3 0
3 years ago
A container is filled with 100mL of water and placed in a freezer. the water in the container freezes at 0°C.A second container
Deffense [45]
0. The freezing point for water is always 0 no matter the amount of mL
5 0
3 years ago
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