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SCORPION-xisa [38]
3 years ago
7

Which order of events is correct?

Biology
1 answer:
Radda [10]3 years ago
3 0

Answer:

mitosis -> cell differentiation -> stem cells

Explanation:

Zygote Definition: a diploid cell resulting from the fusion of two haploid gametes; a fertilized ovum.

Mitosis: a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.

Cell Differentiation Definition: Cellular differentiation, or simply cell differentiation, is the process through which a cell undergoes changes in gene expression to become a more specific type of cell.

Stem Cell Definition: an undifferentiated cell of a multicellular organism which is capable of giving rise to indefinitely more cells of the same type, and from which certain other kinds of cell arise by differentiation.

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Since cell differentiation can not come before mitosis so the 2nd option is wrong. Stem cells can not turn into zygote cell option 1 is wrong. Cell differentiation would come before stem cells since stem cells are a final product, the 4th option is wrong. So I think option 3 is correct.

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Humans are dependent on a functioning biosphere and other ecological systems for survival. true or false.
kvv77 [185]

The statement is - True.

The humans, as advanced and developed they may be, can not function and survive without the proper functioning of the biosphere, hydrosphere, atmosphere, geosphere, cryosphere. All of those spheres are crucial in defining the life conditions on our planet, and the human kind, as all other living organisms, is heavily dependent upon them.

Unfortunately, the humans have been interfering a lot in the functioning of this systems, and make it harder and harder for them to function properly, and the interfering with the ecological systems is extremely dangerous as it can have a catastrophic consequences.

6 0
3 years ago
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What law of motion states that if no Force acts on an object at rest it will remain at restbb​
Korvikt [17]
Hey there!

The answer is

Newtons first law of inertia. "An object with no net forces acting on it which is initially at rest will remain at rest. If it is moving, it will continue to move in a straight line with constant velocity"

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4 0
3 years ago
Which product molecule of photosynthesis is released as waste ?
SVEN [57.7K]

Answer:

Carbon dioxide is the waste released

5 0
2 years ago
When you run around a track which type of energy are you demonstrating
Elina [12.6K]

Answer: The question is incomplete therefore, the options are gotten from another websites.

demonstrating?

A. mechanical energy

B. potential energy

C. kinetic energy

D. two of the above

The correct option is C.

Kinetic energy.

Explanation:

It is kinetic energy because the chemical energy stores in food is converted to kinetic energy and this is because kinetic energy is the energy in motion.

When a person is running, the energy the person is using is kinetic energy because is the energy the person possess by virtue of his body in motion and it is the energy required to accelerate a body with mass from rest.

8 0
3 years ago
Sakura tested the pH of several solutions. Which substance are acidic?
stealth61 [152]

Answer: cola-flavored soda: 2.6

cranberry juice: 2.9

pickle juice: 5.5

Explanation:

The substances given are:

cola-flavored soda: 2.6

cranberry juice: 2.9

dish soap: 7.3

pickle juice: 5.5

seawater: 8.0

lye soap: 13.0

Based on a pH scale, an acidic solution is one that has a pH that is below 7, a solution is neutral if the pH is 7 while a basic solution has a pH of above 7.

Therefore, the acidic substance will be:

cola-flavored soda: 2.6

cranberry juice: 2.9

pickle juice: 5.5

4 0
3 years ago
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