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AVprozaik [17]
3 years ago
14

Which best describes the direction of heat?

Biology
2 answers:
Rainbow [258]3 years ago
4 0

Answer:

d

Explanation:

Andrei [34K]3 years ago
3 0

Answer: Heat ---from a warmer substance to a cooler substance

Explanation: Heat can be transferred from a hotter substance to a cooler substance. This can be done through three methods;

Conduction, Convention, Radiation

Conduction- When substance is been heated movement of particles increases causing collision between hotter particles and cooler particles. This continue until the temperature is in equilibrium. Metal is a good conductor of heat.

Convention- It is often associated with liquid and gases. hotter area of liquid moves and meet with cooler liquid. The cooler liquid then takes place of the hotter liquid until equilibrium is attain. This occurs while boiling water

Radiation - It doesn't need a means of transmission. It is gotten from infared emission. Infared emission increases when temperature increases .

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True or False: Meiosis halves the chromosome number, whereas mitosis maintains the same chromosome number.
AleksandrR [38]

Answer:

True

Explanation:

Meiosis is the kind of cell division that results in the production of daughter cells with each cell having half number of chromosomes as the parent cell. Meiosis is the cell division employed by reproductive cells to produce gametes/sex cells. Meiosis occurs in two stages i.e. Meiosis I and II. The chromosome number reduces by half in gametes in order to ensure that after fertilization of both male and female gamete, the resulting organism has the correct set of chromosomes. e.g diploid organism produces haploid gametes which fuses to produce a diploid organism again.

Mitosis is another type of cell division that results in identical daughter cells. They are identical in the sense that they possess the same number of chromosomes as the parent cell that divided. For example, a diploid cell undergoes mitosis to produce two diploid daughter cells.

8 0
3 years ago
Which class of amino acids contains side chains that would be unable to form hydrogen bonds with water?
seropon [69]

Answer:

Amino acids with non-polar side chains.

Explanation:

The class of proteins that is unable to form hydrogen bonds with water are the amino acids with non- polar side chains. This class includes the amino acids

Alanine

Valine

Leucine

Isoleucine

Proline

Phenylalanine

Cysteine

Methionine

Tryptophan

These are the nine proteins which are considered to be strongly hydrophobic. All these amino acids are hydrophobic in nature due to their side chains. Glycine is not added to this list as it does not have a side chain.

6 0
3 years ago
Where can I get study guide/ cheat sheets for Edmentum/Plato End of Course Exams for Health, English 10 A and B, World History A
jek_recluse [69]

hiii

everything is available on Google

5 0
3 years ago
Read 2 more answers
Why do scientists carry out experiments
denis-greek [22]

Answer:

To test hypothesis and learn more about the world around us. We don't want to live in the dark, now do we? its human nature to wonder and imagine and explore. It's the major quality that makes us even human.

Explanation:

if you were looking for a long answer there u go XD. but a shorter one is just to learn about the world around us.

3 0
3 years ago
Viscous fiber helps to lower blood cholesterol levels by interfering with the reabsorption of ________ in the intestines.
Yuki888 [10]
By interfering with the absorption of BILE in the intestine. Bile contains cholesterol, if it absorbed from the intestines it will increase the level of cholesterol in the blood stream. So, the viscous fiber stop this by sequestering the bile acids.
8 0
3 years ago
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