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kykrilka [37]
3 years ago
13

What is the process by which substances move from areas of higher concentration to areas of lower concentration

Biology
1 answer:
AleksandrR [38]3 years ago
4 0

Answer:

Diffusion

Explanation:

The process by which substances move from areas of higher concentration to areas of lower concentration is called diffusion.

For example:

Substance moves across a cell membrane without using the cell's energy tends to move away from the area where it is more concentrated.

It is known as passive transport.

It is the process in which substance without using the cellular energy tend to move down the concentration gradient.

It is also known as simple diffusion.

When perfume bottle is open particles spread in air due to difference in concentration from bottle to out side environment.

While,

In case of active transport substance move against the concentration gradient i.e to wards the area of higher concentration.

This process require energy.

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The secondary structure of proteins results because of _____ bonding between molecules in the protein molecules' backbone.
topjm [15]

Answer:

Hydrogen bonding

Explanation:

The newly synthesised proteins as a result of the process of translation are linear structures formed by linear arrangement of amino acids.

The linear structure of a protein is known as the primary structure which changes its conformation and take the shape of either the helix or the pleated sheet. This helical or pleated sheet structure is known as a secondary structure.

The secondary structure is formed due to the bond formed between the hydrogen of the carbonyl group and the amino group which form the backbone of the protein structure. The hydrogen bond causes the linear polypeptide to form spiral helical or bend pleated sheet.

Thus, Hydrogen bonding is the correct answer.

6 0
3 years ago
What happens to the effenciency of the exchange of oxygen in the human body at a high altitude​
Daniel [21]

Answer:

The effiency decreases at higher altitudes

Explanation:

The higher up a person is on a mountain, the thinner the air is due to the lack of plants that can grow. An example of this is Mount Everest. At a certian point on the mountain, called the "Death Zone", the air is too thin to supply enough oxygen to the human body to survive. That's why they bring oxygen tanks with them on their adventures.

7 0
3 years ago
Examine the following mutation ACGGGCAAACGATTG -> ACGGGCUAACGATTG. The mutation is
allochka39001 [22]

Answer:

what da

Explanation:

7 0
3 years ago
A gene for corn has two alleles, one for yellow kernels and one for white kernels. Cross pollination of yellow corn and white co
Rina8888 [55]

The question is incomplete. The complete question is:

Question: A gene for corn has two alleles, one for yellow kernels and one for white kernels. Cross pollination of yellow corn and white corn results in ears of corn that have an approximately even mix of yellow and white kernels. Which term best describes the relationship between the two alleles?

a) Incomplete dominance

b) Genetic recombination

c) Chimerism

d) Codominance

Answer:

d) codominance

Explanation:

Codominance is a pattern of inheritance when none of the alleles of a gene is able to mask the expression of the other allele of the same gene. When the two alleles are present together in a heterozygous genotype, both are expressed and the phenotype of the heterozygote is different from both the pure breeding parents. In the given example, cross-pollination of yellow corn and white corn results in the ears of corn that have an approximately even mix of yellow and white kernels. This means that the heterozygote expresses both the allele for the corn color. Therefore, it represents codominance.

3 0
3 years ago
What is the most important mineral in a layer's diet and why? Has to do with chickens
lord [1]
Functional and economically most important mineral in nutrition of layers
is calcium, primary because of egg production, i.e. forming of the egg shell.
4 0
4 years ago
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