Explain why Atom molecules move at different speeds depending on whether they are in liquids or solids

Answers

Answer 1

Answer: atom molecules move at different speeds because it depends on how close they are to each other and free they can move around. atom molecules can move around freely in liquids, but atom molecules in solids have limited movement since there so close together.

hopefully my answer helps u

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What is inside an animal cellBesides, mitochondria,vacuole and nucleus
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Which of the following contains the greatest number of unipotent stem cells? A. 6-week-old embryo B. Blastocyst C. Adult D. 3-day-old embryo

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The correct answer is option C

Unipotent stem cells are those stem cells that can form cells of one lineage only. An adult would be having the maximum number of unipotent stem cell as it has gone through the process of cell differentiation and the cell have been differentiated into different kinds of cells. For example: skin stem cells

The stem cells of embryo are mainly pleuripotent and multipotent that can form cells of different lineages.

An adult, since they are fully grown, they possess the most unipotent cells.

All multicellular organisms benefit from the organization of __________ into tissues, organs, and organ systems.

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Allmulticellular organisms benefit from the organization of cells into tissues,organs, and organ systems.

There are five (5) levels of cellorganization recognized by biologists. They are cells, tissues, organs, organsystems and organisms. These are applicable to multicellular organisms thoughas they are needed for the cells to sustain their functions alone andeventually coordinating with one another. Cells are the basic unit of life, when grouped together, they aretissues. When tisuues are grouped together, they are organs and organ systemscomprises of two or more organs to function and overall, creating an organism.

a scientist plans to cut a segment of DNA so that it can be inserted into the DNA of a bacterium, a single celled organism. This scientist needs to use a special type of organic molecule to perform this cutting process. This molecule is

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The answer is an enzyme.

When cutting DNA, scientist uses enzymes called restriction enzymes. These enzymes are naturally produced in bacteria as a defense against phages. So, enzymes cut DNA of the phages and thus inactivate it. Also, these enzymes do not cat DNA randomly, but on specific sites. This characteristic of restriction enzymes is used for some molecular biology techniques. All species' DNA contains target sites of restriction enzymes, but most organisms do not have restriction enzymes. Therefore, restriction enzymes are suitable for different techniques.

What Kingdom is algae- plantae or protista?

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In the kingdom of protista ;-)
I hope I helped! =D

i thinking it is protista

Describe the stages of the cell cycle. In your description of mitosis, list the four parts in the correct order.

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Mitosis has 4 main parts:
1)Prophase - Chromosomes become visible, spindle fibres form, nuclear envelope dissolves.
2) Metaphase - Chromosomes line up in the middle of the cell.
3)Anaphase - Chromosome pairs separate to different sides of the cell by the spindle fibres.
4) Telophase - New nuclei are formed around each grouping of Chromosomes.
Cytokinesis then splits the cytoplasm into 2, forming 2 new daughter cells.

G1 phase - period of growth and activity. Also, the time where the cell performs its function (ex. liver cells producing insulin)

S phase- synthesis - stage where DNA replication occurs

G2 phase - continued growth, building of spindle fibres and centrioles, both structures needed for Mitosis phase.

Which of the following best describes the speed of an object? A) 15 miles B) 15mi/h C) 15mi/h East D) 15 miles East

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Answer:

B) 15mi/h

Explanation:

In general, you can just look at a road sign and see that usually, that's how the speed limits are provided.

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