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pantera1 [17]
3 years ago
10

Why saturated solution prepared at higher temperature gives crystal on cooling​

Biology
1 answer:
charle [14.2K]3 years ago
4 0

Answer:

Cristal is formed when the solution is cooling because the solvent can't keep all the molecules of the substance and these molecules are beginning to leave the solvent and form solid crystals.

Explanation:

It means that every crystal is formed of one molecule of the solvent. When the solvent reaches room temperature, it is moved to the ice bath to finish the process of crystallization.

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The answer is option a.
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4 years ago
The Punnett square shown presents a cross between two piranhas. Both parents have large teeth.
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Answer:

The correct answer would be C)  75% large-toothed and 25% small-toothed.

It can be explained with the help of the law of dominance which states that the dominant allele expresses itself completely over the recessive allele in the heterozygous condition.

So, the genotype TT, as well as Tt, will result in the production of dominant trait or character in the offspring.

Thus, three (1 TT and 2 Tt) out of four offspring would have large teeth and only one offspring (tt) would have small teeth.

Hence, we can conclude that 75% of the offspring will have large teeth and only 25% will have small teeth.

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3 years ago
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3 years ago
What distinguishes an amniotic egg from eggs laid by other animals, including fishes, amphibians, and invertebrates?
PIT_PIT [208]

The difference between an amniotic egg and eggs laid by other animals is : Absence of Membrane ( amnion ) and absence of larval stage

<h3>Characteristics of an amniotic egg</h3>

Eggs laid by amniotes are different from other eggs laid by fishes, amphibians and invertebrates in that they lack a membrane and a larval stage. the shell of the amniotic egg protects the embryo in the absence of a membrane. The shell also allows for the exchange of oxygen and carbon dioxide between the the embryo and the environment.

Hence we can conclude that The difference between an amniotic egg and eggs laid by other animals is : Absence of Membrane ( amnion ) and absence of larval stage

Learn more about amniotes : brainly.com/question/19158601

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