- 1. Match each term with its correct definition: __ Vaccine __ Antigen __ Antibody __ Herd immunity __ Pathogen __ Booster A. A germ or microbe that causes disease. threats. B. Y-shaped protein that binds to specific antigens to neutralize C. The organ that produces antibodies in a human D. A substance that trains the immune system to recognize and fight disease. E. A community-level protection when enough people are vaccinated against a disease. F. A signal or part of a foreign agent recognized by the immune system. G. A reminder dose to refresh immunity against a disease.
- William is colour blind, while his brother mother and father all have norma possible for William to be colou blind? He father was some and passed on t His mother was some and passed on the Willam inherited the the paternal grandfathe
- 4.What material are spicules in the class Calcarea made of? A. Silica B. Calcium carbonate C. Spongin D. Collagen
- 3. Which of the following is NOT a function of amoebocytes? A. Creating water currents B. Nutrient distribution C. Waste removal D. Reproduction
- Which of the following statements is TRUE in regard to genetics? sex linked genetic disorders are usually found on the Y chromosome three alleles are responsible for blood type P^A,P^B, polygenic traits are a type of monohybrid cross chance has memory
