Scientist uses 2 methods to determine the age of the universe. 1. by studying the oldest objects within the universe. 2. measuring how fast it is expanding.
Answer:
C
Explanation:
essential amino acids cannot be synthesized within the human body . so they have to be taken outside from foods. ( in human)
but non essential amino acids are synthesized in the liver using essential amino acids.
person has to obtain first class proteins such as meat , egg , soya protein in order to get essential amino acids.
but plants synthesize both essential and non essential amino acids within their bodies.
a person needs both essential and nonessential amino acid for his/her function
hope you understood this part :p
Answer:
Could be chromatin or maybe chromosomes
