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sveticcg [70]
3 years ago
7

"gas exchange between blood and tissue cells is an example of"

Biology
1 answer:
krok68 [10]3 years ago
4 0
External Respiration, which is the exchange of gasses between the air sacs or alveoli of the lungs and the blood
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All of the following are transmembrane pumps that facilitate active transport except?
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The channels are the transmembrane proteins that serve in the passive transport of substances down the concentration gradient. The channels can be gated or non-gated. The gated channels are opened and closed in response to certain stimuli such as electrical change.

For example, aquaporins are the gated water channels that transport the water across the plasma membrane. The process is driven by the osmotic gradient and does not use the energy of ATP.  

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Alexus [3.1K]

Topographic maps and satellite images

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A topographic map represents earth's surface features like land forms and structures, rivers and lakes, mountains and hills, elevations and other natural features along with man-made artificial features like cities, buildings, monuments, roads, bridges etc. These are formed by contour lines.

Topographic maps are printed with revision dates to observe the changes happening on the Earth's surface. Various land forms keeps changing due to natural and man-made causes and these needs to be updated accordingly to provide accurate details.

A satellite image provides details of the earth aerially from space. These provides details of a land form or any earth structure currently.

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