Question

30. Which of the following definitions is incorrect? in a A. Endemic: A disease that is constantly B. Sporadic: A disease that affects a population occasionalby C. Pandemic: A diseases that affects a large number of people in the worid in a short time the world D. Epidemic: A disease that is endemic across ysozyme and the antibiotic penicillin have similar mechanisms of action is that they both damage to the bacterialC. cell membrane A. ribosomes B. capsule D. cell wall 32. All of the following are iron-binding proteins found in humans except A. transferrin B. hemoglobin D. ferritin 33. A group of oak trees in a forest is called A. population B. ecosystem D. biome 34. A variety of different bacteria and yeasts live on the human skin. Together they form a(n) C population D. biome B. community 35. Pollution of lakes by commercial detergents that contain phosphates A. kills bacteria and causes a breakdown in the food chain B. encourages the growth of bacteria and an increase in the fish population C. encourages the growth of algae which leads to the suffocation of fish D. encournges the growth of fungi and an increase in the fish population 36. Water temperature A. increases B. stays the same C. decreases D. fluctuates up and down ecosystem is characterized by which fundamental phenomena? А.mergyflow and chemical cycling B water and soi C.energy and matter D. evaporation and precipitation St A bod we is more realistic than a food chain for showing the feeding relationships in cosystems because compares the number of consumers to the number of microorgan ecosystem isms in an B. food chains use only a small sampling of organisms n consumers C a food web explains why there are more producers tha D. producers are usually eaten eaten by more than one predator nd most en by many different consumers and most consuners are different

Answer 1

30)D.epidemic: A disease which is endemic across the world.

An epidemic is the rapid spread of infectious disease to large number of population within a short period of time ,usually 2 weeks or less than that.

31)D.cell wall

Lysozyme is crucial in thwarting bacteria that attempts to enter our body cavities.by destroying the peptidoglycan layer of cell walls, it serves as a strong chemical defense against bacterial infections.

32)C.siderophorin

Siderophorin is a protein which binds and transports iron in microorganisms.

33)c.community.

Community here refers to group of oak trees living in same place or having a particular characteristic in common.