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Rufina [12.5K]
3 years ago
14

Describe what is happening to the chromosomes during each sub-phase of Meiosis I and Meiosis II.

Biology
1 answer:
stiv31 [10]3 years ago
4 0

The spindle gradually lenghtens during prophase.Towards the end of the prophase stage,the nuclear envelopes break down,and each of the microtubules reach from each cell pole to the cell's equator an

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Epinephrine has to cross the cell membrane to bind to its receptor in the cytoplasm. True or False
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Answer:

The statement is false.

Explanation:

Epinephrine (also known as adrenaline) is a hormone and a neurotransmitter produced by the adrenal glands, it helps to regulate cellular energy metabolism and increases the heart rate.

Epinephrine adheres to certain receptors that are exposed on the surface of a large number of body cells. This receptor, called beta-adrenergic, is a receptor that is embedded in the plasma membranes of these cells. Adrenaline does not penetrate the cell, instead, joining for a short period of time to its receptor, induces it to release biochemical signals to the cytoplasm of cells. This steric change, affects the configuration of the cytoplasmic domain of the protein, this is the "link" of the receptor that protrudes in the cytoplasm.

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Vesna [10]
Here’s one! Huge farming companies genetically modified foods to withstand round up. You might know round up as a weed killer. It’s marketed safe with no harming chemicals to humans. That is completely wrong and have been proven to cause many chronic illnesses including cancer. These foods are modified to not react with round up and only to kill the weeds all around the plants. Even though the food looks ok it’s really not. The round up is all over the food. Then we eat it and well bad chemicals get absorbed into are body.

I hope this is some of what you were looking for. If not I hope you enjoyed my fun fact ;) good luck.
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