The oxidation state of N changes from +2 to 0 while that of C changed from +2 to +4.
<h3>Oxidation and reduction</h3>
Oxidation is defined as an increase in oxidation number of the addition of oxygen while reduction is a decrease in oxidation number or removal of oxygen.
In the reaction shown by the equation, the oxidation number of N in NO changed from +2 to 0 in 
while that of C in CO changed from +2 to +4 in 
.
Thus, NO is acting as the oxidizing agent while CO is acting is the reducing agent.
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Answer:
a) unstable
b) unstable
c) unstable
d) Stable
Explanation:
a)
The given isotope , atomic number is greater than 83.(84>83).
Therefore, it is unstable.
b)
The given isotope has even number of protons(15) and neutrons(15).
Therefore, it is unstable.
c)
The given isotope has even number of protons(15).
Therefore, it is unstable.
d)
The given isotope have even number of neutrons ( 68) an d the proton ratio is 
.It is more than 1.25.
Therefore, it is stable.
1. Answer:
B) An allele is one form of a gene.
Explanation:
- <em><u>An allele refers to an alternative form of a gene. In other words it is one of the form of a gene.</u></em>
- <em><u>A gene may have two alleles, where one of the allele is a dominant allele and the other is a recessive allele. </u></em>
- A homozygous organisms may be dominant or recessive, a homozygous recessive contains two recessive alleles while a homozygous dominant contains two dominant alleles.
- A heterozygous organisms contain one dominant allele and one recessive allele.
2. Answer;
B) Alleles
Explanation;
- <em><u>According to Mendel genes are inherited in pairs of alleles that behave in a dominant and recessive pattern. </u></em>
- <em><u>Alleles are alternative forms of a gene. </u></em>
- A gene may have two alleles, where one of the allele is a dominant allele and the other is a recessive allele.
- A homozygous organisms may be dominant or recessive, a homozygous recessive contains two recessive alleles while a homozygous dominant contains two dominant alleles.
Answer:
A plant cell contains a large, singular vacuole that is used for storage and maintaining the shape of the cell. In contrast, animal cells have many, smaller vacuoles. Plant cells have a cell wall, as well as a cell membrane. In plants, the cell wall surrounds the cell membrane.
Watson and Crick first contribution to DNA science was they proposed the theory of the structure of DNA. Watson and Crick's model DNA In the shape of a double helix. they determined the structure of DNA, it is a double helix. DNA molecule that helped scientist better understand the structure of DNA.
