Answer:
RNA molecules are made of nucleotides. (Ans. C)
Explanation:
RNA, which is also known as ribonucleic acid is found in cytoplasm of the cell, and synthesized in the nucleus. It is shorter, and a single stranded molecule. It is composed of one or more nucleotides which are linked together by phosphodiester bonds.
In RNA, the ribonucleotide contains pentose sugar ribose, four nitrogenous bases (A,U,C,G), and a phosphate group. RNA plays many types of role in cells, but mainly involved in the translation process, and it's regulation which is known as protein synthesis.
The answer is e.
The troposphere.
Answer:
So, the correct option is 'The causative HIV retrovirus reduces the number of T-helper lymphocytes'.
True u can hold about 25 items in your short term memory
Answer:
Plants
Explanation:
biotic means living
Plants are the only living thing out of the answer choices