Answer:
innate immunity : highly specialized defenses.
Explanation:
Immunity against infectious diseases are 2 types - innate immunity and acquired immunity. Innate immunity is the type of defense mechanism which is present at birth. This type of immunity does not depend upon the immunization. This type of immunity is not highly specific as acquired immunity. Innate immunity has no memory and response in first-rate towards the antigens. The phagocytic cells, dendritic cells are some cells of the innate immune system. This changes throughout the lifetime. Different species have different innate immunity. It means different species show different susceptibility to different diseases. e.g Rats are unsusceptible to Diphtheria while men, guinea pigs are highly susceptible to Diptheria.
Purebreed is where both parents are the same breed to produce an offspring of the same breed.
Answer:
A
Explanation:
The possible number of amino acid residues in the peptide composed entirely of alpha-helical structure and found to contain an integer number of complete turns is 36
Water, sunlight, and carbon dioxide
