Answer:
Amino acids and nucleotides
Explanation:
Amino Acids -
Amino acids are organic compounds that mix to create proteins.
Nucleotides -
A nucleotide is an organic molecule that's the building block of DNA and RNA.
Answer: allele/ gene / homologous
Explanation:
Answer:Exocrine glands are glands that secrete substances onto an epithelial surface by way of a duct.
Yes, when the egg and a sperm cell meet fertilization has taken place
Answer:
it is summer and north America
