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miskamm [114]
3 years ago
7

To create animals that have the characters of both species some people have bred buffalo and cattle together? This is an example

of what?
Biology
1 answer:
nikdorinn [45]3 years ago
3 0
It's an example of crossbreeding.
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Your lab group is experimenting with the diffusion of molecules across a membrane. Dialysis tubing is used as a model cell membr
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Answer: the membrane channel

Explanation:

In passive diffusion, the small water molecules can move across the phospholipid bilayer seen in blue. This layer acts as a semi-permeable or selectively permeable membrane; its hydrophilic heads are attracted to water (seen facing outwards) while its water-repellent hydrophobic tails face towards each other- allowing  molecules of water to diffuse across the membrane along the concentration gradient.

Thus the water will move from an area of high concentration  to an area of low concentration, until the system reaches a steady state called equilibrium- after this, there will be no net movement of water. Similarly via osmosis, the water passes through the membrane due to the difference in osmotic pressure on either side of the phospholipid bilayer this means that the water moves from regions of high osmotic pressure/concentration to regions of low pressure/ concentration to a steady state.

The dialysis tubing mimics a semi permeable membrane; it only allows water and small molecules of iodine to cross into the bag containing starch. The tubing is impermeable to starch;  these large molecules require the aid of protein omplexes called membrane channels, in order to move across the membrane and against the concentration gradient.

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At what point is the fetus typically able to survive outside of the mother's body?
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The answer is D
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Label the components of a nucleotide​
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There are just 3 components of nucleotide: nitrogenous base, deoxyribose(sugar) and phosphate group. hope this helps :)
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The pancreas is the organ that releases most of the digestive enzymes needed for chemical digestion. Since the food is entering from the stomach, much of the enzymes are alkaline to neutralize the acid & protect the small intestines.

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