BIOLOGY MIDDLE SCHOOL

I need help with this
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Answers

Answer 1
Answer: 1. gamete
2. Genes, DNA, Chromosomes, Nucleus
3. Chromosomes are found in many places in the cell 

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How does the presence of starch show that photosynthesis has taken place

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Glucose is a product of photosynthesis. Glucose is also a type of starch.

The distance of a wave crest from its resting. position is its. out of A. Wavelength
B. Amplitude
C. Height

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Assuming its "resting" is the place in the middle of the wave crest and trough, the distance between the crest and the middle line would be considered its amplitude. The height of a wave is the distance between the crest and the trough, and wavelength is the distance between two crests.

What is the difference between pluripotent cells and totipotent cells?

Answers

The difference between the two cells is that the totipotent cells, as opposed to ghe pluritotent cells, can give the rise to both the placenta and embryo.

Both pluripotent and totipotent cells are part of the stem cells. The stem cells have an ability to transform themselves into many type of cells that makes up the body.

During the mitosis of the zygote, 2 identical cells are formed. Those cells will form other cells and finally develop an organism. Those are the totipotent cells. Now to become a foetus, the baby undergoes a stage in which he's called an embryo and other cells develop: the pluripotent cells, which are able to become any cell that forms the body and help the embryo become a foetus.

So the difference between totipotent and pluripotent cells is that totipotent cells can only develop the organism, forming the embryo and the protective placenta, while the pluripotent cells can become any cell present in the body and help the embryo to become a foetus.

Hope this helps! :)

Please Explain two ways nitrogen gas in the atmosphere is changed into nitrogen compounds that plants can use. -Thank you all in advance! I do need this by 9:20 Am Eastern Time tomorrow

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By rhizome bacteria present in the roots of leguminous plants

What is the main difference between shelf fungi, puffballs, and mushrooms?​

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Answer:

they are all non-green plants

An organism that has the same genes as the organism from which it was produced is called

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The answer is a clone.
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Which summary best explains the mechanisms that control the cell cycle in multicellularorganisms?The type of DNA in each cell controls the rate of the cell cycle and the specific type of cellsformedThe size of the cell determines the number of cells that will be produced from each cycle.Internal and external signals regulate the progression of the cell cycle at various criticalcheckpointsHormones signal the start of the cell cycle, and DNA determines how the cell differentiates.
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