B) a hollow ball of cells
Answer:
If the question states "the role of bile salts in the alimentary canal is" not "the role of bike salts in the alimentary canal is" then the role of the bile salt is to act as detergents and emulsifying large fat droplets into small ones
A molecule is a group of two or more atoms held together by chemical bonds. A compound is a substance which is formed by two or more different types of elements which are united chemically in a fixed proportion. All molecules are not compounds. All compounds are molecules.
thymine
adenine
cytosine
guanine
Explanation:
uracil is not because uracil is only RNA.