Both are a source of energy. So it will be A. Hope this helps!
Phospholipids are a class of lipids that contain a phosphorus atom. They are structural components in cell membranes. They have an amphiphilic ( having both hydrophobic and hydrophilic) characteristic and thus they can form a lipid bilayer. Their structure consists of two hydrophobic fatty acid "tails" and a hydrophilic "head" consisting of a phosphate group.
The bryophytes, which include liverworts, hornworts and mosses, reproduce both sexually and vegetatively. The gametophyte is the most commonly known phase of the plant. All are small plants found growing in moist locations and like ferns, have motile sperm with flagella and need water to facilitate sexual reproduction.
Phosphate, a sugar called deoxyribose, and four nitrogenous bases—adenine, guanine, cytosine, and thymine.
Answer: DNA changes in one particular gene
Explanation:
Single gene disorders are caused by DNA changes in one particular gene, and often have predictable inheritance patterns. Over 10,000 human disorders are caused by a change, known as a mutation, in a single gene. These are known as single gene disorders.