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likoan [24]
3 years ago
9

What would occur if the muscle tissue failed within a damaged blood vessel?

Biology
2 answers:
Vlad [161]3 years ago
6 0
Due to situation given above I think the most suitable answer is the first one "<span>Vascular spasm would not occur, resulting in excessive blood loss." But I think that also could be another one that wasn't mentioned here.</span>
anyanavicka [17]3 years ago
3 0

Answer:

Vascular spasm would not occur, resulting in excessive blood loss.

Explanation:

The walls of blood vessels have smooth muscles to perform involuntary contraction to support the pumping of blood. Any damage or injury to blood vessels lead to sudden contraction of smooth muscles which is called as vascular spasm. The vascular spasm serves to constrict the blood flow so as to prevent blood loss. If smooth muscles do not work, vascular spasm would not occur leading to excessive blood loss.

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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
2 years ago
Which leaf is most likely from a gymnosperm?<br> W<br> X<br> Y<br> Z
pogonyaev
Y i think is the asnwer
4 0
3 years ago
Read 2 more answers
What is the order of the distinct divisions of the plant kingdom?
wariber [46]

Answer;

Kingdom, Division, Class, Order, Family, Genus and Species

Explanation;

-The plant kingdom is divided into three divisions namely Bryophyta, Pteridophyta and Spermatphyta.

-Division Bryophyta includes mosses and liverworts. Division Pteridophyta includes the ferns and horsetails. They show a greater variety and a greater ability than bryophyte.

-Division Spermatophyta comprises all the seed bearing plants. They are familiar green plants which produce seeds through flowers or cones. The division spermatophyte consists of two main subdivisions: Gymnospermatophyta and Angiospermatophyta, which are the divided into classes and so forth,.

4 0
2 years ago
What are 2 food making processes
Oksana_A [137]
Photosynthesis and chemosynthesis
3 0
3 years ago
Fill in the blanks
BabaBlast [244]
The central nervous system (CNS), which is made up of the brain and the spinal cord, and the peripheral nervous system (PNS), which is comprised of nerves and ganglia (small concentrations of grey matter).

The brain sends messages to the peripheral nerves in the body via the spinal cord, these have control of muscles and internal organs.
8 0
3 years ago
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