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Scorpion4ik [409]
2 years ago
14

What is NOT a physical change

Biology
2 answers:
natka813 [3]2 years ago
7 0

Answer:

a

Explanation:

Romashka-Z-Leto [24]2 years ago
3 0
I think that’s it’s a
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Explain which direction the molecules will move during diffusion?
allochka39001 [22]

Answer:

Up and down

Explanation:

In the process of diffusion, a substance tends to move from an area of high concentration to an area of low concentration until its concentration becomes equal throughout a space.

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3 years ago
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Cells not dissolve in blood but they form a because they do not settle out of the blood either
irinina [24]

Answer;

-Suspension

Cells not dissolve in blood but they form a suspension because they do not settle out of the blood either

Explanation;

-Blood is a solution of salts, glucose, urea and a few other small compounds. It's a colloid of plasma proteins, including albumin, transport proteins and antibodies. It's also a suspension of blood cells and platelets.

-Suspensions and colloids are two common types of mixtures whose properties are in many ways intermediate between those of true solutions and heterogeneous mixtures. A suspension is a heterogeneous mixture of particles with diameters of about 1 µm (1000 nm) that are distributed throughout a second phase.

-Common suspensions include paint, blood, and hot chocolate, which are solid particles in a liquid, and aerosol sprays, which are liquid particles in a gas.

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3 years ago
How do mirnas function in controlling gene expression?
SpyIntel [72]

Answer:

The genes of the ath operon code for the enzymes necessary to use athelose as an energy source. ... How do miRNAs function in controlling gene expression? by binding to mRNAs and degrading them or blocking their translation. Name the starting molecule from which cDNA is synthesized and the enzyme that does the synthesis

Explanation:

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2 years ago
Why are the large finches now living on the galápagos islands different from the original source population from a nearby islan
Softa [21]

Answer:

The reasons are explained below -

Explanation:

The large finches living on the Galapagos islands are different from the original source population from a nearby islands because of the following reasons -

  • A natural selection favored only the large finches because they are more fit to the current environmental conditions.
  • A genetic drift has been occurred in the two populations living on the nearby islands.
  • Due to the separation of habitat on both the islands, the gene flow between the two islands is reduced.

All the above listed reasons are responsible for the difference in the finches found on the two islands.

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2 years ago
Dermatomes are skin segments that relate to sensory innervation regions of the spinal nerves.
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<span>Dermatomes are skin segments that relate to sensory innervation regions of the spinal nerves.
True</span>
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