BIOMOLECULES AND ENZYMES

Detailed explanation-1: -Parasites are part of a large group of organisms called eukaryotes. Parasites are different from bacteria or viruses because their cells share many features with human cells including a defined nucleus.

Detailed explanation-2: -Many disease-causing bacteria produce toxins-powerful chemicals that damage cells and make you ill. Other bacteria can directly invade and damage tissues.

Detailed explanation-3: -Pathogens are microorganisms that can cause disease. They can reproduce quickly in your body and give off poisons (toxins) that can cause infection. Harmful bacteria examples include: Streptococcus: Bacteria that cause strep throat. Staphylococcus: Bacteria that cause staph infections.

Detailed explanation-4: -They are responsible for many infectious diseases like pneumonia, tuberculosis, diphtheria, syphilis, and tooth decay. Some bacteria cause cellulose degradation thereby destroying textiles, wooden articles, and canvas.