Obligate aerobe - Study guides, Class notes & Summaries

Microimm 2500 Bacteriology Exam Questions With Verified Solutions Prokaryotes - answersmallest, simplest organisms on Earth; most abundant; includes bacteria & archaea; lack nucleus and complex organelles four phases of bacterial growth - answerlag; log; stationary; death bacteria reproductive mechanism - answerbinary fission bacterial generation time - answertime between generations (time for one division) reason stationary phase exists - answerbacteria reach a point where resources are ...

What is the path of light through the compound microscope? - ANSWER Light source --> condenser --> specimen --> objective lens --> ocular lens The image from the objective lens is magnified again by the ocular lens. What are the steps of a gram-stain? - ANSWER 1) Primary stain (crystal violet) - 1 minute 2) Mordant (Gram's iodine) - 1 minute 3) Decolorizing agent (ethanol) - 5 seconds 4) Counterstain (safranin) - 1 minute *blot dry, not wipe What is this specimen? -...

Practice Exam 2 Micro Nclex Type 247 Questions with Verified Answers A saprobe derives its energy from a) sunlight. b) conversion of nutrients from other organisms. c) utilizing the tissues/fluids of a living host. d) metabolizing the organic matter of dead organisms. - CORRECT ANSWER d) metabolizing the organic matter of dead organisms. Mineral ions used in microbial nutrition include a) sodium. b) potassium. c) calcium. d) magnesium. e) all of these. - CORRECT ...

Bio safety levels (BSL) measure what? correct answer: an organisms controllability, infectivity, virulence, pathogenicity, antibiotic resistance, vaccine, treatment, mortality. BSL 1 correct answer: does not normally cause disease in people BSL 2 correct answer: Associated with disease BSL 3 correct answer: indigenous/exotic agents that may have serious or lethal consequences and with potential for aerosol transmission BSL 4 correct answer: dangerous/exotic agents of a life-thre...

MICROBIOLOGY LAB 5 –7 2024 QUESTIONS AND ANSWERS ALREADY PASSED What items and/or surfaces in the kiosk were probably sampled? - CORRECT ANSWER Kiosk countertop Bottle containing antiseptic used to clean ears Manual ear-piercing tool Pump handle of alcohol-based sanitizer bottle The kiosk workers claimed they couldn't have transferred the pathogen from their hands to the customers because they wore gloves. Choose the most logical statement related to this claim. Select the single...

Question 1 Correct 4.17 points out of 4.17 The movement of substances from higher to lower concentration across a semipermeable membrane via a specific protein carrier but without energy expenditure is called . Select one: a. facilitated diffusion b. active transport c. diffusion d. endocytosis e. osmosis Question 2 Correct 4.17 points out of 4.17 An organism that cannot grow without oxygen is a/an . Select one: a. facultative anaerobe b. obligate anaerobe c. aerobe d. oblig...

Microbiology for Embalmers FINAL EXAM Questions With Correct Answers Staphyloccocus aureus is known for causing which of the following: - Correct Answer Both B and C. Abscesses and Food Poisoning Organisms that are ____ must obtain their oxygen from oxygen containing compounds, while ____ need free atmospheric oxygen. - Correct Answer Anaerobes, Aerobes Gonorrhea is often transmitted via infected objects because the organism Neisseria gonorrhea survives well outside the body. True or Fa...

MCAT Milesdown Biology Exam Questions and Answers nucleoid region - Correct Answer️️ -DNA region in prokaryotes nucleolus - Correct Answer️️ --makes ribosomes -sits in nucleus, no membrane peroxisomes - Correct Answer️️ -collect and break down material rough ER - Correct Answer️️ -accept mRNA to make proteins smooth ER - Correct Answer️️ -detox and make lipids golgi apparatus - Correct Answer️️ -modifies and distributes proteins -only found in eukaryotes -vesicu...

Question 1 Correct 4.00 points out of 4.00 Which of the following does not indicate microbe involvement in energy and nutrient flow? Select one: a. Formation of greenhouse gases, CO 2 and methane b. Digestion of complex carbohydrates in animal diets c. Decomposition of dead matter and wastes d. Thermal hot springs warmed by heat from earth's interior Question 2 Correct 4.00 points out of 4.00 Which of the following is NOT a recent discovery that has had a huge impact on the under...

Staphylococcus - ***gram + clusters streptococcus - ***gram + chains or pairs bacillus anthracis - ***gram + rod clostridia (tetani, botulinum, perfringens, difficile) - ***gram + obligate anaerobic rods group B - ***Strep. agalactiae group A - ***Strep. pyogenes a-hemolytic bacteria - ***gram + cocci -S. pneumoniae -Viridans Streptococci catalase - and optochin sensitive = - ***S. pneumoniae catalase - and optochin resistant = - ***Viridans streptococci B-hemolytic bacteria - ***gram...