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.

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Related Questions

help 4-6 pls!!??!!!!!!!!!!!!!!!

Answers

Answer:

Hopefully this is correct!! Not sure...

Explanation:

4) D

5) A

6) C

D, A, C are the right answers, I think

Pocket gophers change the nitrogen cycle in prairies because they:

Answers

Sheeeeeeeeeeeeeeeeeeeeeeeeeeeeesh

How is the Calvin Cycle different from the light dependent reactions?
A. It requires light
B. It takes place in chloroplasts
C. It takes place in the Stroma
D. It takes place in the thylakoid membrane

Answers

I believe it’s c. It takes place in the stroma
The Calvin cycle takes place in the stroma so the answer is C

which part of the flower or needed to make seeds?​

Answers

Answer:

Ovary is the part of the flower which is needed to make seeds

The world population has surpassed 7 billion and is continuing to increase dramatically. Select the factor that has demonstrated an
inverse relationship to population growth.
es )
A)
deforestation
B)
violent political conflict
spread of communicable diseases
D)
biodiversity of plant and animal species

Answers

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.

The population's starting age profile (whether it is relatively young or old to begin with), migration, and fertility rates (death rates; life expectancy).

Depending on particular environmental factors, two different patterns of population expansion may manifest: In a perfect, limitless environment, an exponential growth pattern (J curve) manifests itself.

The development of a logistic growth pattern (S curve) occurs when external forces reduce the pace of growth.

Therefore, The gap between the growth rates of income and population is roughly equivalent to the growth rate of per capita income.

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#SPJ2

What is the measure of dissolved solids in the water?

Answers

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

How long is the interval between high tides in Boston?

Answers

Answer:

High tides occur 12 hours and 25 minutes apart.

Explanation:

help pls pls pls pls​

Answers

Answer:

2) =b

Explanation:

I don't know others unu

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.

Killing of specific cells.

I think this is what you want but i'm only 14 and in 10th so sry if its not

What tissue is this

Answers

Answer:

smooth muscle tissue

Explanation:

im almost positive it is smooth muscle tissue

Answer:

smooth tissue agree with the other answer

Explanation:

Where is the light energy from sunlight stored in photosynthesis?

Answers

The answer is chloroplasts
Is where green plant make their own food

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

Answers

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.

How is the gametophyte stage in gymnosperms different from the gametophyte stage of mosses


Will give brain list

Answers

The multicellular diploid plant structure is called the sporophyte, which produces spores through meiotic (asexual) division. The multicellular haploid plant structure is called the gametophyte, which is formed from the spore and give rise to the haploid gametes.

Is the circled karyotype a male or female?


female


male

Answers

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

Explanation:

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


Explanation:

what organelle do both plant and animal cells have that control all of the activities that take place inside of a cell?

Answers

Answer:

the nucleus

Explanation:

__________ encompasses any unwanted or nonconsensual sexual contact.

Answers

Answer:

sexual assault

Explanation:

The production of orchids by cutting is an example of.

Answers

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

There are two methods of growing orchid trees i.e. through seed as well as from vegetative part. Most of the farmers grow orchids plants through vegetative propagation because it takes less time to reach maturity while on the other hand, growing orchids through seed takes more time.

So that's why the farmer prefers vegetative propagation as compared to seed so we can conclude that 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​

Answers

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).

Explanation:

How much atp is produced in cellular respiration.

Answers

Biology textbooks often state that 38 ATP molecules can be made per oxidized glucose molecule during cellular respiration (2 from glycolysis, 2 from the Krebs cycle, and about 34 from the electron transport system).

Explain how a father with brown eyes and a mother with blue eyes can have children
with either brown or blue eyes. Remember to use complete sentences and correct
grammar.

Answers

Answer:

Brown eyes are a dominant trait.

Explanation:

Brown eyes are a dominant trait, and blue eyes are a recessive trait. If the father has brown eyes, they can have either a BB or Bb genotype; the mother must have a bb genotype in order for her eyes to be blue.

Refer to the Punnett Square below to see how it's possible for this mother and father to produce children with both colored eyes.

gas exchange occurs between the tissue cells and the blood in the

Answers

Answer:

alveoli

Gas Exchange with Tissues

Gas exchange occurs in the alveoli so that oxygen is loaded into the bloodstream and carbon dioxide is unloaded from the bloodstream. Afterwards, oxygen is brought to the left side of the heart via the pulmonary vein, which pumps it into systemic circulation.

Explanation:

hope this helps

It is difficult to observe chromosomes during interphase because?

Answers

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

The mitochondria are defective and do not produce sufficient protein to synthesize microtubules in the cilia and flagella.

Answers

Answer:

The mitochondria are defective and do not produce sufficient protein to synthesize microtubules in the cilia and flagella. The plasma membrane of the alveoli is not permeable to carbon dioxide during respiration because it is too hydrophobic. The cells do not produce functional motor proteins in flagella and cilia.

Someone help please 20 points

Answers

Answer:

2

neutral

hydroxide

a) hydronium

hydroxide

b) Hydroxide

hydronium

3

pH

14

a) neutral

acidic

basic

b) pH

tenfold

C

1) indicator

2)indicator

solution

pH

3) meter

..............BRAINLIST. ........... :)

when they find these similarities they conclude that these organisms have a common

Answers

Answer:

Every living creature has DNA

Explanation: hope this helps

True or False: Cardiac muscle is also known as smooth muscle.

Answers

Answer:

FALSE

Explanation: post protected

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

Explanation:

took test

PLEASE HELP !!!!
What are their chances of having a child that has A+ blood?

Answers

Answer:

I think it must be 25%

Explanation:

Not sure how to explain

Answer:

3 in 8 people

Explanation:

If you have type A blood, your parents had one of the following possible combinations of blood types: AB and AB. AB and B. AB and A.

What is the structure of the forebrain that connects the two hemispheres of cerebrum?

Answers

Answer:

c. Corpus callosum

Explanation: is correct

Answer:

corpus callosum

Explanation:

right on test

Although the human colon may be one of the most diverse microbial communities on Earth, the majority of the bacteria are classified as __________.

Answers

Answer:

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

Although the human colon may be one of the most diverse microbial communities on Earth, the majority of the bacteria are classified as anaerobes.

What are anaerobic organisms?

Anaerobic organisms are life forms that generate ATP in hypoxia conditions (absence of oxygen).

ATP is the energy con of the cell to carry out different cellular metabolic functions.

Anaerobic bacteria form part of the intestinal microflora in humans.

In conclusion, although the human colon may be one of the most diverse microbial communities on Earth, the majority of the bacteria are classified as anaerobes.

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