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Ksju [112]
3 years ago
7

#14 & #15 Multiple choice

Biology
1 answer:
natka813 [3]3 years ago
5 0
14 should be B if I can remember correctly, 15 is C
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What is the unique structural modification in lymphatic capillaries that increases their permeability?
KonstantinChe [14]

Answer:

Minivalves

Explanation:

Lymphatic capillaries are so much permeable that some researchers thought that they are open from one side but scientists found that this permeability is due to some structural modification.

The endothelial cell that forms the lymphatic capillaries wall are not packed tightly and overlap each other very loosely which makes easy openings in the structure called mini valves.

When the pressure of fluid in interstitial space is high then the mini valves become open and allow the fluid to enter the lymphatic capillary. So mini valves are the unique structural modification that increases permeability in lymphatic capillaries.

7 0
3 years ago
At the cellular level, membranes; for the whole organism, the skin is what
Katen [24]

Answer:

Reproduction.

Explanation:

At the cellular level indicate that the living organisms are made up of the smallest building blocks called cell. It refer to unicellular organisms i.e organism with one cell.

At the cellular level, membranes; for the whole organism, the skin is Reproduction because a single parent cell divides into two cells (offsprings), two divides into four cells and so on. It is called cell division and cell reproduction because a single cell skin divides to produce many cells.

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3 years ago
a star's brightness if it were a standard distance from earth is its apparent brightness true or false
stepladder [879]

This is false. Absolute brightness is the term used to describe how bright a star would look if it were a standard distance from Earth. Apparent brightness is how bright it would look as far as it currently is from Earth. Hope this was helpful!

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3 years ago
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Which is most likely to get hot fastest when touching a warm surface?
earnstyle [38]
Answer to this is copper wire 
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How do plants benefit from nitrogen fixing bacteria?
myrzilka [38]

Nitrogen Fixation: Root and Bacteria Interactions. Nitrogen is an important macronutrient because it is part of nucleic acids and proteins. ... The most important source of BNF is the symbiotic interaction between soil bacteria and legume plants, including many crops important to humans.

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