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Mnenie [13.5K]
4 years ago
13

Cells lining the alveoli secrete a soapy substance known as:

Biology
1 answer:
ki77a [65]4 years ago
5 0
Answer: Alveolar surfactant

Surfactant Alveolar is a type of substance secreted by pneumocytes II (one type of cell that forms the epithelium in the alveolar membrane). This substance  is known as an tensioactive agent, decreasing the surface tension within the alveoli.


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What are organelles and what do they do?
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4 0
4 years ago
6−2(4+5)+6<br><br><br>what are the steps to getting the amswer -6
gregori [183]

6-2(4+5)+6

First, you go off of PEMDAS, (parentheses, exponients, mutiply, divide, add, subract), and you will mutiply -2 to the numbers in the parentheses, -2x4 and -2x5. Which will then give you -8 and -10.

Then you set up your equation as normal, except without parentheses, which will make the equation 6-8+-10+6.

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Then you will combine both the positive numbers, and that'll give you 12.

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4 0
3 years ago
During anaphase 1 chromosomes in the homologous pair
lora16 [44]

During anaphase 1 chromosomes in the homologous pair moves to the opposite poles.

<h3><u>Explanation:</u></h3>

The chromosomes that are having their pairs with similar length, position of centromere and staining pattern refers to the homologous chromosomes. These chromosomes have genes with the corresponding loci. One of these chromosomes will be inherited from the father and the other will be inherited from the mother.

The chromosomes in the pair gets attached to the fibers from the opposite poles. The chromatids that are sister will get attached to the fiber from the same poles. The centromere will not get divided during the anaphase 1 and thus the homologous chromosomes will move to the opposite poles. This causes the homologous chromosomes to get separated.

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Now does a rubber rod become negatively charged through friction
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Yes it does because how it looks 
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3 years ago
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