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Pani-rosa [81]
3 years ago
7

How does the tar from cigarette smoking disrupt oxygen distribution to the cells?

Biology
1 answer:
elena-14-01-66 [18.8K]3 years ago
4 0
By tar, I think you mean nicotine. (I Hope). It affects the nerve signals that regulate breathing.
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A cell biologist compared the properties of rough endoplasmic reticulum (ER) and smooth ER. She found that one type of ER is use
EastWind [94]

Answer:

Explanation:

The structure of the two endoplasmic reticulum makes the difference.

Endoplasmic reticulum (ER) is located in the cytoplasm membrane in the eukaryotes and its divided into two the rough and smooth endoplasmic reticulum.

Rough ER has ribosomes which gives it the name rough because of its appearance. The ribosomes on rough ER helps it to specialize in the synthesis of proteins. proteins in a cell, are synthesize by it. The smooth endoplasmic reticulum lacks ribosome in its structure and cannot synthesize protein but lipids.

8 0
3 years ago
How and why might the R0 value change over time during an outbreak? pls help
Stolb23 [73]

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Vaccinations

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For example, if a disease has an R0 of 18, a person who has the disease will transmit it to an average of 18 other people. That replication will continue if no one has been vaccinated against the disease or is already immune to it in their community. So if you have (for example) a vaccination then you're less likely to get it, resulting in a lower R0

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3 years ago
What happen to Peter Parker?
lesantik [10]

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1:the spiders venom.

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3:yes

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7 0
3 years ago
Which type of geologic event has to occur to create an angular conformity?
slega [8]

folding or tilting of rock layers, followed by renewed deposition.


5 0
4 years ago
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Help me I dunno at all
Dafna1 [17]

Answer: C.

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4 0
4 years ago
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