Calculate the mass percent of each element in a compound. Writer solution in a separate sheet of paper. each element in the following compounds:
1. Methane, CH4(C=12.01g/mol;H =1.008 g/mol)
2. Sodium nitrate, NaNO3 (Na=23.0 g / mol;N =14. g/mol;O = 16.0 g/mol)

Which statement best describes the relationship between an allele and a gene? question 1 options: an allele is a variation of a gene that can be expressed as a phenotype. an allele is the part of a gene that attaches to messenger rna molecules. an allele is a segment of a dna molecule that controls replication of a gene.

Explain why phospholipid molecules form a bilayer. (3 marks)

Why is it incorrect to say that mitochondria function only as energy factories with cell