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FrozenT [24]
2 years ago
14

How are surface area of lungs important for gaseous exchange

Biology
1 answer:
Rzqust [24]2 years ago
6 0

Answer:

Larger surface area to volume ratio increases the amount of area in contact with air in the lungs to allow for uptake of oxygen and release of carbon dioxide. Basically with a larger surface area, carbon dioxide in the blood capillaries are easily released and oxygen is easily taken up, increasing efficiency of gaseous exchange.

Explanation:

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3 years ago
Which statement about DNA replication is true?
Talja [164]

Answer:

D. Prokaryotes only have one origin of replication to initiate replication.

Explanation:

The DNA of prokaryotes is smaller than that of eukaryotes. So, prokaryotes have only one origin of replication. Origin of replication is the region of DNA where the process of DNA replication starts. The helicases recognize and bind to the origin of replication to start the melting of DNA double helix for replication.

DNA replication starts at the single origin of replication and stops at termination in prokaryotes.  

3 0
3 years ago
4. What factors might affect bone strength?
sattari [20]

Answer:

Bone strength is influenced by changes in the structure (size and shape) and composition [cortical (compact) bone, trabecular (sponge-like) bone, amount of cartilage] of the bone. 6 A high peak mass at a young age and the decrease of bone loss at a later age are two ways to reduce osteoporosis risk.

Explanation:

7 0
2 years ago
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It's called an Epinions.

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4 0
3 years ago
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vovikov84 [41]

Answer:

the fourth one

Explanation:

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