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Anna11 [10]
2 years ago
11

The image below represent a phase of mitosis which phase represented by the image

Biology
1 answer:
Norma-Jean [14]2 years ago
5 0
Idek I’m just tryna get some points
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Earth is the only planet that is known to support life. Almost two-thirds of Earth's surface is covered with water. It has a roc
Schach [20]

Answer:

My guess would be an energy source, water, and an atmosphere.

Explanation:

Whatever lives there is going to need energy and water to survive. The atmospheric layer will protect the planet like ours protects Earth. Hope this helps! :)

6 0
3 years ago
How are nails formed
Damm [24]
Nails start in the nail root, hidden under the cuticle. When cells at the root of the nail grow, the new nail cells push out the old nail cells. These old cells flatten and harden, thanks to keratin, a protein made by these cells. The newly fromed nail then slides along the nail bed, the flat surface under your nails.

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3 years ago
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The lowest layer of the atmosphere, where weather occurs and where we live, is called the ________________.
Paha777 [63]

Answer:

Troposphere

Explanation:

The troposphere is the lowest layer of the atmosphere.

3 0
3 years ago
Answer choices
enyata [817]
I think it’s
C, decreased sources diversity
5 0
2 years ago
Drag each label to the correct location on the diagram.
algol13

Diagram found elsewhere attached

Answer:

Clockwise from bottom

3. formation of mRNA in the nucleus

6. secretion of hormone  by tissue

4. initiation of DNA  replication because  of a signal given  by the hormone

2. synthesis of protein  molecule by mRNA  and tRNA

1. secretion of protein  by the cell

5. binding of the  hormone molecule  with its receptor  of the cell

Explanation:

The tissue in the top left releases a hormone. For example, a steroid hormone such as estrogen, which can impact gene expression at the level of transcription. This hormone then travels to a different cell to carry out its function. The hormone is able to enter the cell and binds receptors which recognise it. In this case, these receptors are present in the nuclear envelope. When the hormone has bound the receptor, it initiates a signalling cascade that the cell responds to.

In this case, the effect of the signal from the hormone is to initiate DNA replication. This is a common effect of hormones such as growth factors that signal the cells to proliferate.

The initiation of the signalling can  also affect how genes are expressed. In this case, an mRNA is produced in the nucleus, which is created as a result of transcription. This mRNA molecule then moves to the cytoplasm, where it becomes translated into a polypeptide sequence at a ribosome, with the help from transfer RNAs (tRNAs).

This polypeptide forms a mature protein by progressive folding and potential modifications, and is released by the cell to perform its functions.

7 0
3 years ago
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