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ziro4ka [17]
3 years ago
14

Pick out the characteristics that make the pulmonary alveoli a place for gaseous exchange​

Biology
1 answer:
Vladimir79 [104]3 years ago
7 0

Answer:

Moist walls - gases dissolve in the moisture helping them to pass across the gas exchange surface. Permeable walls - allow gases to pass through. Extensive blood supply - ensuring oxygen rich blood is taken away from the lungs and carbon dioxide rich blood is taken to the lungs.

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RNA molecules have 4 nucleotides but unlike DNA, RNA lacks<br><br> and<br><br> instead has
andrey2020 [161]

Answer:

Deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) are perhaps the most important molecules in cell biology, responsible for the storage and reading of genetic information that underpins all life. They are both linear polymers, consisting of sugars, phosphates and bases, but there are some key differences which separate the two1. These distinctions enable the two molecules to work together and fulfil their essential roles. Here, we look at 5 key differences between DNA and RNA. Before we delve into the differences, we take a look at these two nucleic acids side-by-side.

Explanation:

4 0
3 years ago
What is the mean of the data set [3,2,2,12,6,5,14,4]?<br><br>A.2<br>B.4<br>C.6<br>D.7
zysi [14]

Answer:

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Explanation:

To find the mean of a data set, add all the values in the set together, and then divide the result by the number of values in the set.

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8 0
4 years ago
How do cellular respiration and photosynthesis work together?
Igoryamba
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hope that helped!
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A person who studies the universe and the objects in it is called al(an)
ycow [4]

Answer:

C

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3 0
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Read 2 more answers
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Four critters that are pollinators are
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Hope this helps!
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