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Sever21 [200]
3 years ago
9

The atomic number of Re is 75. The atomic mass of one of its isotopes is 186. How many electrons are in this particular isotope.

Biology
1 answer:
nordsb [41]3 years ago
6 0

Answer:

75 electrons

Explanation:

Since there is no charge, electrons and protons are the same number. Atomic numbers indicate the amount of protons.

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Explanation:

HIV attacks a specific type of immune system cell in the body. It's known as the CD4 helper cell or T cell. When HIV destroys this cell, it becomes harder for the body to fight off other infections. When HIV is left untreated, even a minor infection such as a cold can be much more severe.

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3 years ago
Need all the answers will give 5 stars.
bulgar [2K]

Answer:

1. "a, O, and J"

2. "R and C"

3. I'm not entirely sure about #3, but I believe the answer is "d and R"

4."J, K, I, M, N"

5. "d"

6. "I" explain why: "It is at the bottom, so it is therefore the oldest."

7. "Q" explain why: "It is at the top, so it is therefore the youngest."

8. The folding occured before the faulting. Why? Because the folding is evident in the second half of the fault.

<u><em>DISCLAIMER: any of these answers could be wrong. I did my best but I am still human.</em></u>

7 0
3 years ago
How are species introduced to new ecosystems? Check all that apply. carried in on cargo crates transported in or on ships result
Bumek [7]
Ever one but the third and last option on edgenuit
5 0
3 years ago
Read 2 more answers
Please help me solve these questions​
Monica [59]

Answer:  7:A

8:C

9:D

10:B

Mendels First Law: The law of segregation. During gamete formation each member of the allelic pair seperates from the other member to form the gentic consittution og the gamete.

Transcription: Is the process by which the information in a strand of DNA is copied into a new molecule of RNA.

Explanation: I checked most of them online. Im not too sure if 9 is D but it is my best guess.

4 0
2 years ago
"Cells in the lining of the stomach produce a protein called pepsinogen. When this protein is released into the chamber of the s
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This is an example of Precursor gene regulation (protein translation) type of eukaryotic gene regulation.

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Once food is consumed, the hormone gastrine and the vagus nerve cause the secretion of both pepsinogen and HCl from the stomach lining. Hydrochloric acid induces an acidic environment that allows pepsinogen to unfold in an autocatalytic manner and thus generates pepsin the active form.

4 0
3 years ago
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