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klemol [59]
2 years ago
11

How the structure of organs is designed to aid diffusion of substances

Biology
1 answer:
uysha [10]2 years ago
6 0

Answer:

The trachea branches into two tubes called bronchi (one to each lung). The bronchi split into smaller and smaller tubes called bronchioles, which then end in microscopic alveoli (air sacs). ... The layer of moisture in the alveoli allows gases to dissolve so that they can diffuse quickly.

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A gas storage tank at a large industrial plant is designed to provide fuel under constant pressure. When the plant is shut down
Alex

Answer: Temperature on monday morning is 319,5K

Explanation: This is an example of Gay Lussac law on gases which states that at constant volume, pressure and temperature are directly related, so if one raises the other one does as well.

The equation that follow the law is :

P1 / T1 = P2/T2 where 1 is the initial pressure and temperature and 2 is the final state.

In this equation, values have to be expressed in atm  for pressure and Kelvin for temperature.

P1 = 115 kPa .\frac{1 atm}{101,3kPa} = 1,135 atm

P2 = 108,75 kPa .  \frac{1atm}{101,3kPa} =  1,073 atm

The missing value is T2 (monday temperature), so we have to clear it from the equation

T2 =P2.T1/P1

Replacing values:

T2 = 1,073 atm . 338K /1,135 atm

T2 = 319,5 K

7 0
3 years ago
Need help on checking my answers! The ones circled in yellow are the ones that I believe the answers are. Please and thank you (
Nana76 [90]

Answer:

I believe it is the chloroplast

3 0
3 years ago
Can i find dna in a dog or tree
jolli1 [7]

Answer:

A dog

Explanation:

8 0
3 years ago
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An individual with the disorder Xeroderma pigmentosum is hypersensitive to sunlight succumbs to DNA damage caused by light expos
qwelly [4]

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b. A defect in a DNA repair enzyme</span>

<span /><span>Xeroderma pigmentosum is a genetic condition where the person can't repair DNA damage caused by UV rays.</span>

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4 0
2 years ago
In 1909, cytologist Frans Janssens described microscopic chromosomal structures that were viewed during prophase I of __________
gayaneshka [121]

Answer:

meiosis; chiasmata

Explanation:

The linkage between two non-sister chromatids of homologous chromosomes can be seen in the diplotene stage of prophase I of meiosis which is called chiasmata.

This phenomenon is discovered in 1909 by a  Frans Janssens who called the structure chaismata. Chaismata allows the exchange of genes between two homologous chromosomes which came from two parents.

In the pachytene stage crossing over between non-sister chromatids takes place. This crossing over helps in increasing the genetic variability in the gametes and offspring.  

3 0
2 years ago
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