Answer:
DNA only.
Explanation:
Both DNA and RNA are built with a sugar backbone, but whereas the sugar in DNA is called deoxyribose, the sugar in RNA is called simply ribose. The ‘deoxy’ prefix denotes that, whilst RNA has two hydroxyl (-OH) groups attached to its carbon backbone, DNA has only one, and has a lone hydrogen atom attached instead.
He can see if they are green and he can also determine where they came from.
Decreasing radiation from the sun
The correct answer is option B
The structure of the sperm is divided into three parts head, body and tail. The head region consists of many enzymes and the tail region of the sperm helps in providing mobility to the sperm.
The structure of tail adds propelling movement by whipping and undulating the sperm. The sperm moves through the reproductive tract to reach the egg.
Answer:
Genetic engineering uses technology to replace one or more genes in an organism.
