Please, someone, help me with this asap!

Observe the cut ends of the flatworms using the hand lens or the dissection microscope immediately after cutting.
What do you see?
Are there distinct differences between the two ends?
Observe the cut ends of the flatworms over a period of several days. Do the flatworm halves continue to exhibit the same degree of difference that was seen right after they were cut in two?
What kinds of changes occur in the flatworms as they recover from having been cut in two?

Answers

Answer 1

The above question requires a personal answer about your experience with cutting flatworms. I can't tell you what you saw in this cut, but I'll show you what happens when it occurs.

First of all, you must understand that flatworms are worms with a great capacity for cell regeneration even if several pieces have been cut.

In this case, when a flatworm is cut in half, we can see the following events happen:

At the moment of cutting, the two ends of the flatworm body are equally shaped and are straight ends, without deformations.The ends will not be different if the cut is done accurately, but it may differ slightly.After several days, the ends will present some deformations and will lose the straight shape caused by the blade.Deformations are extremely similar and change similarly.When recovering from the cuts, each side of the flatworm body formed a new flatworm and they are no different, they are the same and they are completely recovered.

This is because the cellular regeneration of flatworms is very fast and allows any part of the flatworm's body to create exactly the same beings, as they have the same genetic makeup.

You can have more information about flatworms on the link below:

https://brainly.com/question/1538101?referrer=searchResults


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Answer:

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the nucleus

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FALSE

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Answer:

alveoli

Gas Exchange with Tissues

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High tides occur 12 hours and 25 minutes apart.

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I think it must be 25%

Explanation:

Not sure how to explain

Answer:

3 in 8 people

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Researchers wanted to prove that breast feeding caused higher IQ scores. In order to control other relevant factors besides breast feeding, what procedure must researchers use

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They must compare a child getting breast feeding and another child that isn’t. Then, they should compare the results of the two children that were being tested on.

The children should both have the same gender so the researchers can be certain and it would be best if they were the same age.

What tissue is this

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Answer:

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Explanation:

im almost positive it is smooth muscle tissue

Answer:

smooth tissue agree with the other answer

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Every living creature has DNA

Explanation: hope this helps

Item 5
What molecule that is created during photosynthesis provides energy for cellular processes?

ATP

chlorophyll

glucose

oxygen

Answers

Answer:

Glucose is the answer because it is one of the end products of photosynthesis which is used to generate ATP for the cell through the first process of cellular respiration glycolysis

Answer:

glucose

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TDS, Total dissolved solids (TDS) is measured as a volume of water with the unit milligrams per liter

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Answer:

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Answer:

Hopefully this is correct!! Not sure...

Explanation:

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HELP NEEDED ASAP! 30 POINTS AND BRAINLYEST TO WHOEVER ANSWERS WITH THE BEST ANSWER! What are 3 examples of gene therapies that are used to treat diseases?

Answers

Answer:

Viruses used in gene therapy are retroviruses, adenoviruses, adeno-associated virus, herpes simplex, and vaccinia. Retroviruses are most commonly used because they can incorporate their genetic material into the host cell’s DNA, thus changing the genetic component of that cell.

Explanation:

Gene therapy is a medical field which focuses on the genetic modification of cells to produce a therapeutic effect or the treatment of disease by repairing or reconstructing defective genetic material. The first attempt at modifying human DNA was performed in 1980 by Martin Cline, but the first successful nuclear gene transfer in humans, approved by the National Institutes of Health, was performed in May 1989. The first therapeutic use of gene transfer as well as the first direct insertion of human DNA into the nuclear genome was performed by French Anderson in a trial starting in September 1990. It is thought to be able to cure many genetic disorders or treat them over time.

Gene augmentation therapy.

Gene inhibition therapy.

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Answer:

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It is difficult to observe chromosomes during interphase because?

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Answer:

The stages through which a cell passes in order to give rise to daughter cells is called the cell cycle. The cell cycle has mainly two phases - Interphase, wherein the cell prepares for cell division, and M phases, which is the actual phase of cell division

Pocket gophers change the nitrogen cycle in prairies because they:

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The world population has surpassed 7 billion and is continuing to increase dramatically. Select the factor that has demonstrated an
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es )
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spread of communicable diseases
D)
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Answer:

D

Explanation:

As population grows all the above factors increase expect the biodiversity of animal and plant species.

On a basic level, it is obvious that population increase and per capita income growth are related. Per capita income is simply total income divided by the population.  Thus, option D is correct.

What inverse relationship to population growth?

When attempting to forecast changes in population size, demographers frequently focus on four essential criteria.

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Answer:

prokaryotic bacteria/cells are found to be the most common type of single organisms.

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Answer:

2) =b

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The production of orchids by cutting is an example of vegetative propagation.

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which parts of the monomers involved in the dimer formation​

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Answer:

A dimer (/ˈdaɪmər/) (di-, "two" + -mer, "parts") is an oligomer consisting of two monomers joined by bonds that can be either strong or weak, covalent or intermolecular. The term homodimer is used when the two molecules are identical (e.g. A–A) and heterodimer when they are not (e.g. A–B).

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Explanation:

A normal female karyotype is written 46, XX, and a normal male karyotype is written 46, XY.


Explanation:

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I believe it’s c. It takes place in the stroma
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Ovary is the part of the flower which is needed to make seeds

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Answer:

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