Answer:
Amino acids
Explanation:
Proteins are made up of small units called amino acids. There are about 20 different types of amino acids occuring naturally. All amino acids contain an amino group which consists of hydrogen and nitrogen. The process of combining two amino acids form dipeptide molecule. The bond between the two amino acids is called a peptide bond.
Blood leaves the heart through the pulmonic valve.
Answer:
yes
Explanation:
because a biotic factor can be living or nonliving, so a living thing CAN kill another living thing... at least I think
Answer:
Pisciculture to hodowla ryb w zbiornikach lub zagrodach (stawach rybnych) w celu uzyskania produktów rybnych jako źródła pożywienia. Technika sięga wielu wieków. Rodzaje ryb produkowanych w hodowli ryb to dorsz, karp, łoso
Explanation:
There are three main types of mutation present for DNA. They are substitution, insertion and deletion. Substitution is the exchange of one base for another. Insertion happens where extra base pairs are inserted. Deletions are mutations where a section of DNA is lost. Therefore, the correct answer is substitution.