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Fudgin [204]
3 years ago
5

Explain why increased ecosystem diversity contributes to increased biodiversity in the biosphere answer

Biology
1 answer:
Alisiya [41]3 years ago
3 0
A diverse set of ecosystems means that there will be a wide variety of selection pressures exerted on the organisms. Therefore, natural selection will act to bring out the best suited traits for that particular ecosystem. The more the ecosystems are diverse, the more will be the difference between the traits between the organisms that will survive. This means that the biodiversity will increase.
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Clathrin coated vesicles bud from eukaryotic plasma membrane fragments when adaptor proteins, clathrin and dynamin-GTP are added
KonstantinChe [14]

Answer: Clathrin cages assemble, vesicles form but cannot be pinched of but no disassembly occurs so the vesicles remain coated in clathrin.

Explanation:

Endocytosis is a cellular mechanism that allows the introduction of extracellular material into the cell. Clathrin-coated vesicles act to incorporate different molecules that are recognized by specific proteins located in the clathrin-coated pits. Upon invagination of a portion of the plasma membrane, the material is transported to its final intracellular destination.

<u>Clathrin is a protein that forms the lining of cell membrane microcavities where various receptors are located. Once a particle is recognized by the receptors, invagination of the plasma membrane occurs, which then fuses to form an endocellular vesicle.</u> When vesicle budding occurs, the vesicle is detached from its attachment to the membrane with the help of a GTPase protein called dynamin. Then, the vesicle is freed from clathrin by the action of a type of ATP-ase called Hsp70-ATP and docks to late endosomes that are immediate precursors of lysosomes, fusing the membranes of both. The fission of the clathrin-coated vesicle is controlled by the GTPase dynamin and it has been proposed that dynamin acts by generating the necessary force to strangle the "neck" and cleave the vesicles from the membrane. So they are mainly involved in the cleavage of newly formed vesicles from the membrane of one cell compartment, their orientation, and their fusion with another compartment. Also, without the dynamin, vesicles are not freed from clathrin.

<u>In the absence of dynamin, vesicles are formed but the membrane fusion or pinching off will not occur. Then, invaginated coated pits will be found.</u>

7 0
3 years ago
Which type of immune system cell engulfs pathogens and other foreign particles?
FromTheMoon [43]

A macrophage is a large phagocytic cell that engulfs foreign particles and pathogens. So Macrophage.

Hope this help! :)

6 0
2 years ago
Why do plants have a cell wall and animals cells don’t?
algol [13]
Cell walls are supporting structures that help the plant to have a fixed shape and protect it from injury. Other than that, it helps to keep the plant turgid so that it can stay firm and upright. Because when it enters a high water potential solution, as water moves in, the water exerts turgor pressure on the cell wall and the cell wall thus exerts an opposing pressure to keep water out. Hence cell wall is needed for the plant.

On the other hand, animal cells do not need to keep the structures, as they have the skeletal system to protect the organs and cushion them against any
external injuries.

I hope that helped
5 0
3 years ago
Read 2 more answers
Is it possible to switch blood types
vesna_86 [32]

I do not believe so because it is genetic, just you can't forever change a feature without plastic surgery or an accident, etc.

7 0
3 years ago
Read 2 more answers
PLEASE HELP
Doss [256]

Explanation:

I'm not an expert or sum, but with using logic I would choose: DNA plays a role in the growth and reproduction of organisms, DNA guides the formation of an organism's structures.

3 0
3 years ago
Read 2 more answers
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