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3 years ago

Which method of heat transfer is due to the transfer of kinetic energy from one molecule to another?

Biology

2 answers:

faltersainse [42]3 years ago

6 0

Answer:

Convection

Explanation:

There are different methods of heat transfer - conduction, convection, evaporation, and radiation, When an object gets heat, the molecules in it starts to move. It means the storage energy i.e. potential energy of the molecules transferred into kinetic energy. In each method of heat transfer, it happens.

The transfer of heat due to kinetic energy from one molecule to another has seen in liquids. It means excitation of one molecule to another by the bombardment of the molecules. When the liquid heats the part of liquid which receives heat, becomes less dense and start moving upward. The upper region of the liquid is cold and denser also. Hence it moves down.

This movement of liquids due to heat happens circularly, unless and until the heat gets uniform heat. Due to connection, any particles- ink, sugar mixes in water by application of heat, without stirring. This method of heat transfer is called convection.

Conduction of also one method of heat transfer due to contact. The good conductors of heat like metals carry heat by conduction.

In the evaporation method, the liquids reach their melting point and get vapor.

The heat radiation is the method where heat emits heatwave and it transforms into another form of energy - electromagnetic energy.

Akimi4 [234]3 years ago

3 0

It would be convection because it isnt having any physical collision which rules out conduction and it is going through mid air which rules out evaporation and radiation

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In tomato plants, the allele for purple stems is dominant to allele for green stems and the allele for red fruit is dominant to

Kamila [148]

So let's call the allele that is dominant for purple stems is P, and the recessive allele yielding green stems is p. And let's say that the allele that is dominant for red fruit is R and the recessive allele for yellow fruit is r.

The two plants are each heterozygour for both traits, meaning that the cross is going to be:

PpRr x PpRr

So let's setup a Punnet Square:

$\left[\begin{array}{ccccc}&PR&Pr&pR&pr&PR&PPRR&PPRr&PpRR\4&PpRr&Pr&PPRr&PPrr&PpRr&Pprr\\pR&PpRR&PpRr&ppRR&ppRr&pr&PpRr&Pprr&ppRr&pprr\end{array}\right]$

The genotypic ratios (alleles) and phenotypic ratios are as follows:

PPRR (Purple stem, Red fruit): $\frac{1}{16}$

PpRR (Purple stem, Red fruit): $\frac{2}{16}$ or $\frac{1}{8}$

ppRR (Green Stem, Red fruit): $\frac{1}{16}$

PPRr (Purple stem, Red fruit): $\frac{2}{16}$ or $\frac{1}{8}$

PPrr (Purple stem, Yellow fruit): $\frac{1}{16}$

PpRr (Purple stem, Red fruit): $\frac{4}{16}$ or $\frac{1}{4}$

pprr (Green stem, Yellow fruit): $\frac{1}{16}$

ppRr (Green stem, Red fruit): $\frac{2}{16}$ or $\frac{1}{8}$

Pprr (Purple stem, Yellow fruit): $\frac{2}{16}$ or $\frac{1}{8}$

So then we take the like phenotypic ratios and add them together:

Purple stem, Red fruit: $\frac{1}{16} +\frac{2}{16} +\frac{2}{16} +\frac{4}{16}=\frac{9}{16}$

Green stem, Red fruit: $\frac{1}{16}+ \frac{2}{16} =\frac{3}{16}$

Purple stem, Yellow fruit: $\frac{1}{16}+ \frac{2}{16} =\frac{3}{16}$

Green stem, Yellow fruit: $\frac{1}{16}$

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3 years ago

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kobusy [5.1K]

Answer:

true

Explanation:

that's the right name

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2 years ago

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blsea [12.9K]

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liq [111]

Answer:

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3 years ago

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Levart [38]

Answer:

A, B and C are correct

Explanation:

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3 years ago