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vlada-n [284]
3 years ago
13

What is mass flow system. Pls it's urgent.

Biology
1 answer:
rodikova [14]3 years ago
5 0

Answer: Mass flow or bulk flow is the movment of substance in big masses or something moving in a big group.

Explanation:

Its kind of like a river or blood flowing through your veins because its a mass of a substance moving in a group.

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Which graph represents selection that may lead to reduced variation in a population?
Nataly_w [17]

Answer:

A graph has trait value on the horizontal axis and population of ... selection have similar curves, but the original population peaks

3 0
2 years ago
Some single-celled organisms that make copies of themselves through mitosis. Which decribes the function of the cell cycle in su
slava [35]

Answer;

-Reproduction;

Explanation;

-Mitosis is a shape of cell division that outcomes in two daughter cells which might be genetically identical to every other and to the unique cell.In unicellular organisms together with micro organism, mitosis is a kind of asexual duplicate, making equal copies of a unmarried mobile.

- Single-celled or unicellular organisms use cell division as their method of reproduction. Mitosis is a type of asexual reproduction, making identical copies of a single cell. Cells make identical copies of themselves through mitosis.

5 0
3 years ago
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Some snakes have special sensory organs that detect the infrared region of the electromagnetic spectrum. Compared with human vis
vitfil [10]

Answer:

The correct answer is - a lower frequency and a longer wavelength.

Explanation:

According to the question and generally, some snakes have special organs that can sense or detect the Infrared region of the electromagnetic spectrum. However, human eys can not see or detect the infrared region.

Infrared waves have a longer wavelength and lower frequency in comparison of visible light, visible light can be seen by human eyes.

Thus, the correct answer is - a lower frequency and a longer wavelength.

3 0
3 years ago
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14. Operons allow prokaryotes to
Vladimir79 [104]
14: Operons allow prokaryotes to replicate DNA at the appropriate time.

Operons are specific regions of genes that are linked to a singular process. They ensure that the expression of these genes does not go unchecked and only occurs when necessary. Two key examples of this in humans are the lac operon and trp operon. 

15. The central dogma of molecular biology is:

DNA to RNA to Proteins

Protein Synthesis occurs in 3 steps. 

First our DNA is translated into RNA. Next the RNA is sequenced into Amino Acids by reading the corresponding 3-Base Codons. These Amino Acid sequences form various protein structures. 
4 0
3 years ago
Mary travelled 70 miles/hour due north.
Klio2033 [76]

Answer:

It's D, velocity

Explanation:

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