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NARA [144]
3 years ago
14

Please help me asap! Name the three mechanisms of blood clotting

Biology
1 answer:
Blizzard [7]3 years ago
7 0

Explanation:

Hemostasis has three major steps: 1) vasoconstriction, 2) temporary blockage of a break by a platelet plug, and 3) blood coagulation, or formation of a fibrin clot.

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In natural systems, nitrogen is lost by denitrification. Predict which of the following processes will be most responsible for r
IgorLugansk [536]

The correct answer is:

fixation

Explanation:

Nitrogen fixation is a method by which nitrogen in the Earth's atmosphere is converted into ammonia or other molecules prepared to living organisms. Nitrogen fixation is carried by a diversity of bacteria, both as free-living organisms and in symbiotic association with plants. Because it is the primary source of the nitrogen in the soil, nitrogen that plants need to grow, nitrogen fixation is one of the most critical biochemical processes on Earth

3 0
3 years ago
Read 2 more answers
What ions, ATP, and neurotransmitters are used in muscle contraction and where are they used??
vivado [14]

Answer:

Hiya there!

Explanation:

ATP then binds to myosin, moving the myosin to its high-energy state, releasing the myosin head from the actin active site. ATP can then attach to myosin, which allows the cross-bridge cycle to start again; further muscle contraction can occur.

acetylcholine : Skeletal muscle contraction and changes with exercise. (A) Neurotransmitter (acetylcholine, ACh) released from nerve endings binds to receptors (AChRs) on the muscle surface.

The muscle contraction cycle is triggered by calcium ions binding to the protein complex troponin, exposing the active-binding sites on the actin. As soon as the actin-binding sites are uncovered, the high-energy myosin head bridges the gap, forming a cross-bridge.

Credit sourced from "bio.libretexts.org"

Hope this <em><u>Helped!</u></em> :D

4 0
3 years ago
What is the trait all lipids share?
kap26 [50]

Answer:

Fats,Oils and waxes are the traits

4 0
4 years ago
Discuss and provide examples of each of the terrestrial biomes.
Juli2301 [7.4K]

Answer: There are eight types of terrestrial biomes - temperate grasslands, temperate forests, tropical rainforests, subtropical rainforests, savannas, subtropical deserts, chaparral, boreal forests and arctic tundra.

Explanation: A terrestrial biome can be defined as an area of land that have similar communities of plants and animals and also similar climate.

Temperate grasslands: The climate temperature varies from semi-arid to semi-humid. Vegetation consist of grass and/or shrubs. Example includes  Eurasian steppes, north american prairies.

Temperate forests: It is second largest biome , which covers 25% of the world's forest area. Its is known for its seasons and leaf-shedding trees. For example the Valdivian and magellanic temperate forests.

Tropical rainforests: It occurs in the areas of tropical climate. There is no dry season. Average precipitation of the year is at least of 60 mm. For example Daintree rainforests, Congo rainforests.

Subtropical rainforests: It has the the features of temperate forests and tropical forests.

Savannas: It is a mixed woodland grassland ecosystem. Tress are widely spaced so that canopy does not close. For example Serengeti plains of Tanzania.

Subtropical desert: High temperature, warm soils, and very low precipitation are its important features. Plants such as shrubs and succulents can be found there. Mojave desert, Sonoran are the examples.

Chaparral: It is a heathland plant community. Found mainly in US state of California and in northern portion of the Baja California peninsula. For example Santa ynez mountains, near Santa Barbara, California.

Boreal forests: It is also known as Taiga. It has coniferous forests consisting mainly of spruces, larches and pines. It is world's largest forest. For example Jack London Lake in Russia.

Arctic tundra: It is a vast, cold, and treeless area of low, swampy plains in the north around Arctic ocean. There are three regions and associated type of tundra that are Arctic, Antarctic and Alpine.

5 0
3 years ago
A student has written a paper about a deer population that was separated when a canyon developed between members of the group. I
yKpoI14uk [10]
Speciation in a deer population as a result of geographic isolation
5 0
3 years ago
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