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Lemur [1.5K]
3 years ago
6

The backbone of dna (i.e., sides of the dna "ladder") consists of

Biology
2 answers:
yulyashka [42]3 years ago
8 0
Alternating phosphate and sugar residues
Nezavi [6.7K]3 years ago
6 0

The structure of DNA consists of three main molecules-

1. Nucleotides

2. Sugar

3. Phosphate

Now, nucleotides are present on the inner side of the DNA strand, the sides or the backbone of DNA is made of the other two molecules, i.e. sugar and phosphate. The structure looks like the image shared below. One carbon atom of the sugar molecule is connected to nucleotide, and two carbons are connected to phosphates at two sides. This way a chain or the backbone of DNA is formed.

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What term BEST describes when evolution of different traits occurs in a recent common related species?
kondaur [170]

Answer:

natural selection would be the answer

Explanation:

That means that some of the animals would survive.

5 0
2 years ago
In which subcellular compartment does complete oxidation of acetyl CoA occur in brain cells?
Mrac [35]
Yo ablo español no entiendo
4 0
3 years ago
Describe the movement of the water molecules at hot temperatures.
mart [117]

Answer:

Temperature causes water molecules to move more quickly, because each individual molecule has more energy as it gets hotter (according to Kinetic molecular theory). If you get water hot enough, the molecules move so much that the hydrogen bonds that hold them together start to break and the water becomes a gas

Explanation:

8 0
3 years ago
The pH indicator bromothymol blue is an alkaline solution and yellow is an acidic solution. A slight increase in acidity. Such a
spayn [35]

Water plants in the solution are placed under a bright lamp. Thus, option "B" is correct.

<h3>Explain your answer briefly?</h3>

As we know adding carbon dioxide in as solution result in the change of its acidity this is result in the indicator to change from blue to yellow. In the question, it is asked that what factors from the given option will cause yellow indictor to blue which means what factors cause the solution to be alkaline from acidic.

Placing the green water plants in the solution under a bright lamp will cause the is utilizing and remove present carbon dioxide in the solution and leads the to blue color from the yellow color of the solution.

Thus, this could be the answer.

The question is incomplete, however, the missing part is given as below:

A. Yeast cells and sugar are placed in the solution. B. Water plants in the solution are placed under a bright lamp. C. Algae are placed in the solution and left in a dark room. D. A person blows air into the solution through a straw.

To learn more about  pH indicator click here:

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7 0
2 years ago
Independent assortment of chromosomes is a result of _____.
Ann [662]

Answer:

the "second law of Mendel", or principle of independent distribution, states that during the formation of gametes, each pair of alleles segregates independently of the other pairs.

Explanation:

Mendel's second Law is also known as the Law of Segregation, also as the Law of Equitable Separation, and also as the Law of Disjunction of the Alleles. This Second Law of Mendel is fulfilled in the second filial generation, that is to say, from the parents to the first generation, the First Law of Mendel is fulfilled, and after the children of the first generation this Second Law of Mendel is fulfilled.

This 2nd Law of Mendel, speaks of the separation of the alleles in each of the crossing between the members of the first generation, who would now become parental of the second generation, for the formation of a new child gamete with certain characteristics.

Since each allele is separated to constitute features that do not belong to the first filial generation, but to that of the parents. That is to say that many of the most obvious features in the recessive allele would be present when a generation leaps. All this in relative proportion to the number of individuals in the second subsidiary generation.

3 0
3 years ago
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