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Sidana [21]
3 years ago
13

The medium through which cells exchange nutrients and waste materials with the bloodstream is

Biology
2 answers:
Flura [38]3 years ago
6 0
Ground Substance is the correct answer
Paladinen [302]3 years ago
6 0

Answer:

Ground Substance

Explanation:

Ground substance is a complex matrix of various organic compounds such as a) Proteoglycans which are anionic  and hydrophilic in nature

b) Glyco -proteins including fibronectin, laminin etc.

c) Glycosaminoglycans  etc.

Ground substance matrix consists of lot of water with in its matrix components that allows it to exchange nutrients and waste (generated by metabolic processes) between the cell membrane and the blood.

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Answer:

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5 0
3 years ago
Which of the following examples describes convergent evolution?
topjm [15]

Answer: Option E (B and D are the only examples.

Mediterranean ecosystem with hot dry summer and fire can be found on various continents across the globe. Plants in these ecosystem have evolve similar adaptations to survive these circumstances.

Echidnas are egg laying mammals that live in Australia and new Guinea. They are sometimes known as spiny anteaters since they are covered in spines and mostly eat ants and termites. As such they resemble south American anteaters and hedgehogs but are not closely related to them. Instead echidnas descended from an aquatic platypus like ancestor.

Explanation:

Divergent evolution is a process where different organisms with different anscetors evolve independently and develop similar traits due to their adaptation to similar environment.

Another example is the similarities between hummingbird and hummingbird moth, the evolved from different ancestors and yet posses similar characteristics.

6 0
3 years ago
Which best describes probability?
Ket [755]
D; it best shows the exact definition of probability. Hope this helped!
6 0
3 years ago
Read 2 more answers
Explain how Punnett squares are set up
Vinvika [58]
1. determine the genotypes of the parent organisms
2. write down your "cross" (mating)
3. draw a p-square
4. "split" the letters of the genotype for each parent & put them "outside" the p-square
5. determine the possible genotypes of the offspring by filling in the p-square
6. summarize results (genotypes & phenotypes of offspring)
6 0
3 years ago
In which part of the nephron are sodium and chloride ions actively reabsorbed?
Eva8 [605]
The part of the nephron that In which part of the nephron are sodium and chloride ions are actively reabsorbed is the Henle's loop. It <span>is the portion of a </span>nephron<span> that leads from the </span>proximal convoluted tubule<span> to the </span>distal convoluted tubule<span>.</span> It's main function is to make a concentration gradient in the medulla of the kidney. 
3 0
3 years ago
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