Answer:
A gene is a section of a double-stranded molecule known as DNA. This molecule is found within the nucleus of the cell, contained in threadlike structures called chromatin. The two strands form a double helix linked by a series of paired bases. The base adenine is always linked to thymine and the base cytosine is always linked to guanine.
Phospholipid: a lipid containing a phosphate group in its molecule, e.g., lecithin.
The answer is a “rises because it is less dense than cold air”
Answer:
What are two factors contributing to urban sprawl? Unrestricted growth, unlimited use of autos, growth of expressways.
Explanation
i don't know the answer to the other question
