- 2/8 Explain the role of RNA polymerase in transcription. RNA polymerase is not involved in transcription. RNA polymerase helps in replicating the RNA into DNA. RNA polymerase helps in transcribing the DNA into RNA. RNA polymerase breaks down the DNA into smaller fragments.
- The components in food that our body needs for optimal functioning are called: A) phytochemicals B) non-essential nutrients C) nutrients D) essential nutrients
- 1. Gram positive bacteria that produces endospores __ 2. Bacteria named because of their rRna sequences and growth. A. Staphylococcus 3. Aerobes capable of growing at very low nutrient levels.A B Neisseria 4. Blue-green bacteria that generally reproduced by binary fission A AA C Prokaryotes 5. Contaminate meat and milk products and causes bacteremia and meningitis. __ D. Treponema E . Lactobacillus F. Bacillus/Clostridium 6. Responsible for neonatal blindness, pneumonia, and sexually transmitted disease. __ G Bacteriorhodospsings 7. Structurally quite different from other microbes. __ H. Alphaprotebacterial 8. Converts CO2, H2, and organic acids into methane gas I. Mycobacterium 9. Acquire the energy-geeded for anabolism by absorbing light and pigments __ J. Sporulation K. Mycoplasmas 10. Causes gangrene, t tetanus us, botulism, and diarrhea] __ L. Streptococcus 11. Often found in dental plaque. M. Azospirillum/Rhizobium 12. Constitutes the largest and most diverse group of bacteria N. Pleomorphic 13. Species of bacteria that caused tuberculosis and leprosy. O. Actinomyces 14. Causes blood poisoning and inflammation fo the intestinal tract. __ 15. Species of bacteria that cause such diseases as gonorrhea, meningitis and pelvic inflammatory disease. P. Extremophiles Q. Vellonella R. Phototrophic bacteria 16. Nitrogen fixers that are important in agriculture. S. Anoxygenic 17. Bacteria used to produce important antibiotics. T. Proteobactera 18. A bacterium which is the agent of syphilis. U. Clostridium 19. Bacterium which causes Lyme disease. V. Deeply branching bacteria 20. Bacteria normally found in human mouths W. Streptomyces 21. Do not generate oxygen during photosynthesis X. Borrelia 22. Causes strep throat.L Y. Campylobacter 23. Harvest light energy to synthesize ATP __ Z. Chlamydia 24. The parent cell's outer wall tears apart to create the daughter's cell.E square AA. Cyanobacteria BB. Enteroccoccus 25. An outgrowth of the original cell receives a copy of the genetic material enlarges then cuts off from parent cell __ CC. Budding DD. Listeria 26. Infect wounds, blood and the intestines __ EE. Snapping division 27. Found growing on human skin, some can cause pneumonia, toxic shock syndrome, and other serious infections. __ FF. Methanogens 28 Frequently associated with pneumonia and urinary tract infections __ 29. Prokarotes that vary in shape and size __ 30. The process which vegetative transform into endospores __ 31. Microbes that require extreme conditions:temperature/salinity to survive. __ 32. Non-spore forming rods found in the mouth gastrointestinal tract, and vagina; provide beneficial icrobial antagonism.
- Multiple Choice Questions 1. What is osmosis? a) Movement of particles from an area of higher concentration to an ar b. b) Movement of particles against a concentration gradient c. c) Diffusion of water across a selectively permeable membrane d. d) Movement-of oxygen into cells 2. Which of the following substances enter and leave cells by diffusion? a. a) Oxygen b. b) Carbon dioxide c. c) Glucose d. d) All of the above 3. What happens to a plant cell when it loses water by osmosis? a. a) It becomes turgid b. b) It bursts c. c) It wilts d. d) It remains unchanged What is diffusion? a. a) Movement of particles from an area of lower concentration t b. b) Movement of particles from an area of higher concentration c. c) Movement of water across a selectively permeable membrar d. d) Movement of particles against a concentration gradient at is the concentration gradient? a. a) The movement of particles from an area of lower concent b. b) The difference in concentration between two areas c) The movement of water across a selectively permeable r d) The process of particles moving against a concentratior
- 5. Which process converts carbon from once-living organisms into fossil fuels? a. Photosynthesis b. Cellular respiration c. Fossilization d. Combustion
