Answer:
1. physical and chemical barriers
2.non-specific innate response
3. specific adaptive responses
Explanation:
Answer:
The amount of ⛅ sunlight .
Explanation:
PLEASE MARK AS BRAINLIEST
A is for sure an answer , i’m pretty sure C -ISNT- an answer . for b and c, someone can comment on it.
Answer:
D: They have restricted cell division.
Explanation:
Pre cancerous cells often act like cancer cells and will grow at abnormal rates but unlike cancer cells they are unable to invade other organs
RNA is an abbreviated form for Ribonucleic Acid. RNA is a nucleic acid that is present in the cells of all living things. Its primary function is to carry genetic instructions from DNA to ribosomes for the synthesis of proteins. There are three different types of RNA, these are messenger RNA, ribosomal RNA and transfer RNA. Ribosomal RNA are transcribed in the nucleus and the are the RNA components of the ribosomes.
