Answer:
The correct option is;
A, B, and C, only
Explanation:
The amino group is the functional group of the form CH-NH₂ consisting of single bonds formed between hydrogen atoms, aryl groups, alkyl groups or two or more of such groups combined together bonded with a nitrogen atom. An amine is an organic compound that has an amino group in its composition or structure
Therefore, the amino group can be found in the molecules of A, B, and C only.
Answer:
The cell membrane is semi-permeable. It allows some molecules to enter easily inside the cell whereas some molecules are blocked from entering the cell.
Small, polar molecules and hydrophobic molecules enter easily through the cell membrane. But large molecules and ions cannot easily move inside the cell membrane.
A hydrophilic substance like the substance L mentioned in the question enters the cell membrane through the help of carrier proteins. The substance attached to the large protein might enter through active or passive diffusion but it can only enter the cell by attaching to carrier proteins.
Awnser : C Lacks genetic variation
Explanation : The major disadvantages of asexual reproduction are: Lack of diversity. Since the offsprings are genetically identical to the parent they are more susceptible to the same diseases and nutrient deficiencies as the parent. All the negative mutations persist for generations.
