Answer:
first question:The nucleus is particularly important among eukaryotic organelles because it is the location of a cell's DNA. Two other critical organelles are mitochondria and chloroplasts, which play important roles in energy conversion and are thought to have their evolutionary origins as simple single-celled organisms
:second question: The DNA in prokaryotes is contained in a central area of the cell called the nucleoid, which is not surrounded by a nuclear membrane.
Solution:
In children, it is easily found it can cause rickets. Rickets is a rare disease that causes the bones to become soft and bend. In adults, severe vitamin D deficiency leads to osteomalacia. Osteomalacia causes weak bones, bone pain, and muscle weakness.
It happens due to the lack of Calcium.
Answer:
Option B
Explanation:
ODD means Oppositional Defiant Disorder while CD means Conduct disorder.
Without initial presence of defiant disorder symptoms, Oppositional defiant disorder are not precursor to the development of conduct disorder.
Oppositional Defiant Disorder and Conduct Disorder are much more predominant in boys than in girls.
According to reseaches carried out,to boys, Oppositional Defiant disorder is a precursor to conduct disorder.
Answer:
360 nucleotides
Explanation:
Each amino acid corresponds to a specific codon, a sequence of three DNA or RNA nucleotides.
If there are 120 amino acids and a sequence of three nucleotides corresponds to one amino acid, then 120 × 3 = 360 nucleotides.
Hope that helps.