My guess would be mRNA or RNA but I'm not too sure about this question, sorry.
Answer: A substance is matter which has a specific composition and specific properties. Every pure element is a substance. Every pure compound is a substance. Examples of substances: Iron is an element and hence is also a substance.
Explanation:
Given Question:
Can prokaryotes exchange genes with each other?
Answer: <u>True</u>
Explanation:
By the process of conjugation, their DNA is <u>transferred</u> from one prokaryote to another by means of a pilus, which brings the organisms into contact with one another. The DNA transferred can be in the form of a plasmid or as a hybrid, containing both plasmid and chromosomal DNA.
Answer:
A
Explanation:
A major role of the cell wall is to form a framework for the cell to prevent over expansion.
A is the answer
hope it helps
