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Natasha2012 [34]
3 years ago
13

¿Cual es la técnica que se utiliza para identificar si una mezcla es una solución?

Biology
1 answer:
lilavasa [31]3 years ago
3 0

Answer:

imaginemos un vaso con agua en el cual introducimos un par de piedras. En este caso, no dudamos de que se trata de una mezcla, ya que podemos identificar con claridad los diferentes componentes, que son las piedras y el agua. ... características, no se unen entre sí, se utiliza la decantación para separarlas.

Explanation:

._.

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A segment of a DNA molecule has the base sequence ATGAAC. Write a shorthand structure for this segment and for its complementary
Zanzabum

Answer: See attached picture.

Explanation:

DNA or deoxyribonucleic acid is the name for the molecule that contains the genetic information in all living things. This molecule consists of two strands that wind around each other to form a double helix structure.

The basic unit of nucleic acids are called nucleotides, which are organic molecules formed by the covalent bonding of a nucleoside (a pentose which is a type of sugar and a nitrogenous base) and a phosphate group. So each nucleotide is made up of a pentose sugar called deoxyribose, a nitrogenous base which can be adenine (A), thymine (T), cytosine (C) or guanine (G) and a phosphate group.

<u>What distinguishes one polynucleotide from another is the nitrogenous base</u>, and thus the sequence of DNA is specified by naming only the sequence of its bases. The sequential arrangement of these four bases along the chain is what encodes the genetic information, following the following criterion of complementarity: A-T and G-C. So the sequence of these bases along the chain is what encodes the instructions for forming proteins and RNA molecules. In living organisms, DNA occurs as a double strand of nucleotides, in which the two strands are linked together by connections called hydrogen bridges.

The chemical convention of naming the carbon atoms in the pentose nucleotide pentose numerically confers the names 5' end and 3' end ("five prime end" and "three prime end" respectively). The 5'-end designates the end of a DNA strand that coincides with the phosphate group of the fifth carbon of the respective terminal deoxyribose. A phosphate group attached to the 5'-end allows the ligation of two nucleotides; for example, the covalent bonding of the 5'-phosphate group to the 3'-hydroxyl group of another nucleotide, to form a phosphodiester bond.

3 0
2 years ago
Why is it good that<br> multiple<br> sequences code<br> for the same amino<br> acid?
nirvana33 [79]
Different codons can produce the same amino acid due to the way they bind to transfer RNA (tRNA).
5 0
2 years ago
What structures found in the
Leviafan [203]

Answer:

A. chromosomes

Explanation:

Chromosomes are structures found in the center (nucleus) of cells that carry long pieces of DNA. DNA is the material that contains genes and is the building block of the human body.

Chromosomes come in pairs. Normally, each cell in the human body has 23 pairs of chromosomes (46 chromosomes in all), of which half comes from the mother and half from the father.

5 0
2 years ago
As a mollusk the animal probably has
andrezito [222]

As a mollusc, the animal probably has a mantle and a radula.

Molluscs are aquatic species that belong to the phylum of Mollusca. Mollusca is one of the biggest and most diverse phyla of the sea.  

A mantle is a term that describes the fold in their body which secretes the hard protective shell of their body. A radula is a toothed structure (similar to the tongue) used to collect food.

mark brainliest  :)

6 0
3 years ago
Which subatomic particle has the least mass
Goryan [66]

the answer is electron.


8 0
3 years ago
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