Sophia - Human Biology - Final Milestone Latest Verified Review 2023 Practice Questions and Answers for Exam Preparation, 100% Correct with Explanations, Highly Recommended, Download to Score A+

Sophia - Human Biology - Final Milestone Latest Verified Review 2023 Practice Questions and Answers for Exam Preparation, 100% Correct with Explanations, Highly Recommended, Download to Score A+ 1 Which of these produces blood cells and germ cells at the early stages of fetal development? • Placenta • Allantois • Amnion • Yolk sac CONCEPT Placenta 2 Which set of facts is true for vaccines? • They produce active immunity. They are mostly targeted against viruses. • They produce active immunity. They are mostly targeted against bacteria. • They produce passive immunity. They are mostly targeted against viruses. • They produce passive immunity. They are mostly targeted against bacteria. CONCEPT Vaccines 3 Which type of pancreatic cells help to raise blood sugar? • Delta cells • Gamma cells • Beta cells • Alpha cells CONCEPT Pancreatic Hormones 4 What is true about the electron transport chain (ETC)? • A build-up of potassium on the inner membrane of the cell causes a gradient which leads to the production of ATP. • Most ATP is produced during this step of cellular respiration. • Only products from the Krebs cycle are utilized in the electron transport chain. • The electron transport chain takes place in the nucleus of the cell. CONCEPT Electron Transport Chain 5 Multiple sclerosis is brought about by __________. • a viral infection of the meninges • the destruction of cells in the basal ganglia • the gradual breakdown of the myelin sheath of the CNS • a buildup of amyloid protein in the brain CONCEPT Nervous System Health and Disorders