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katrin [286]
2 years ago
13

What happens when a covalent bond forms?

Biology
2 answers:
sleet_krkn [62]2 years ago
8 0
Electrons shared between two atoms
IgorC [24]2 years ago
6 0
The answer is The two atoms share the electrons equally between them. Hope I helped!! (:
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The part of Earth that supports life is a(n) ____.
guajiro [1.7K]
The part of Earth that supports life is called as the earth's Crust .
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In a nursing class the instructor explains the vulnerability of the organ systems during formation, such as the respiratory and
Trava [24]

Answer:

organogenesis

Explanation:

Organogenesis is defined as a process in which the three germ layers differentiate further to form several organs.  

The embryonic stem cell is responsible for determining the ultimate cell type. During this process, neural system is formed and several morphological changes occur. The neural system further differentiates and develops to form neural tube and ultimately converts into brain and spinal cord. While folds and dense clusters are formed in the embryo that later form organs.  

5 0
3 years ago
Which of the following is a key factor that influence BAC A , height B, eating certain foods C, body weight D, all of the above
Strike441 [17]
The key factor that influences BAC(blood alcohol concentration) would be <span>all of the above.
Height and body weight would increase the total amount of your body volume. The more your blood volume, the less alcohol concentration will be. Consuming food also delay alcohol absorption and make alcohol peak concentration less high.

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5 0
3 years ago
Genetic recombination plays a role in both maintenance and diversity within an organism. Explain how this balance is achieved an
weeeeeb [17]

Answer:

Crossing-over between homologous chromosomes (prophase 1), the random lining of homologous chromosomes (metaphase 1), and random fertilization are the mechanisms involved in genetic variation.

Explanation:

Crossing-over between homologous chromosomes (prophase 1), the random lining of homologous chromosomes (metaphase 1), and random fertilization are the mechanisms involved in genetic variation.

The Crossing-over events occur between two homologous chromosomes in the equatorial plane and make the daughter cells genetically different from the original one. The Chiasma is the position where two homologous chromatids interchange genetic information, giving a place for new genetic material or information to be provided to descendants. After crossing over, homologous chromosomes get separated again.  

On the equatorial plane, homologous paired together, randomly aline with their kinetochores facing opposite poles. The random arrangement of tetrads is different in every cell going through the meiosis process. There is no equal alinement between two cells. When tetrads aline in the equatorial plane, there is no predetermined order for each of the homologous chromosomes of each tetrad to face one of the poles and then migrate to it while separating.  Chromosomes of the homologous pair arrange to face any of the poles to migrate forward to it. Each of the chromosomes has two possibilities for orientation at the plane. When the new haploid cells are formed, the number of variations in each cell is also different and depends on the chromosomes that form that cell. The order in the equatorial plane is what introduces variation into the gametes, being almost impossible for two gametes to have the same genetic charge.  

Independent assortment occurs when the alleles from two or more different genes distribute in gametes independently from each other. In other words, a gamete receives an allele from a gene that does not depend on nor influence the allele of another gene in the same gamete. This can only be applied to independent genes. An organism gets only one of the members of the chromatids pair of each parent.  

7 0
2 years ago
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