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Which of the following individuals argued in favor of spontaneous generation? Francesco Redi Louis Pasteur John Needham Lazzaro Spallanzani correct answers John Needham Which of the following individuals is credited for definitively refining the theory of spontaneous generation using broth in a swan-neck flask? Aristotle Jan Baptista van Helmont Louis Pasteur correct answers Louis Pasteur Which of the following scientists experimented with raw meat, maggots, and flies in an attemp...

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Anabolism correct answers consumes energy, creation of products Catabolism correct answers breaking things down, releases energy obligate aerobes correct answers require oxygen to function Microaerophiles correct answers grow best in low levels of oxygen Aerotolerant aerobes correct answers not harmed by presence of oxygen, do not use obligate anaerobes correct answers extremely sensitive to oxygen content facultative anaerobes correct answers grow better with oxygen (use ferme...

Microbiology correct answers Science of microorganisms/microbes Do microbial cells differentiate? correct answers No, they associate with similar cells into populations and communities T or F Microorganism is an all encompassing word correct answers False. Microbe is Who first saw fruiting bodies correct answers Hooke Who first saw bacteria and improved the microscope correct answers Leeuwenhoek T or F We know a lot about the microorganisms on earth correct answers False. Ba...

what shape are cocci? correct answers spherical What shape are bacilli? correct answers rod shaped what shape are vibrio? correct answers bent rods what shape are spirrilium? correct answers spiral shaped what shape is pleiomorphic? correct answers varried shapes can morphology predict physiology, ecology, or phylogeny? correct answers no what selective forces determine morphology of bacteria? correct answers 1 - nutrient uptake efficiency (surface-to-volume ratio) 2 - spirals...

Effect of osmotic pressure on cells correct answers The changes in diffusion gradient of water -Higher osmotic pressure, more stress on cell Cells are 80-90% H2O Cell walls resist hypotonic solutions, but few organisms can resist hypertonic solutions Isotonic Solution: No net movement of water particles. Cell membrane is attached to cell wall. Hypertonic Solution: Water particles move out of the cell. Cell membrane shrinks and detaches from cell wall (plasmolysis) Hypotonic ...

Simple Stain: What colour are unstained bacterial cells under a microscope correct answers Transparent Simple Stain: Why is it called a simple stain (reference colouring of the cells) correct answers All the cells get stained the same colour Simple Stain: What do we learn about the cells? correct answers Cell morphology (size and shape) Simple Stain: Give some examples of dyes used correct answers Methylene blue, crystal violet, red fuschin Simple Stain: There are 2 main types of sim...

What are the three major factors allele frequencies and bring out about most evolutionary change? correct answers Natural selection, genetic drift, and gene flow Describe natural selection correct answers differential success in reproduction results in certain alleles being passed to the next generation in heater proportions. This is not a random process. Increases the frequencies of alleles that enhance survival and reproduction. Describe some evolution situation that occur due to random ...

Main functions of endocrine system? correct answers Secretes hormones to bloodstream (organs are not anatomically connected) Endocrine system correct answers communications by hormones targets cell with hormone receptor slow long lasting effects that are widespread metabolic activity Nervous system correct answers communicates by neurotransmitters targets neurons, muscle and gland fast short term effects that are localized contraction/secretion Differences in exocrine and endoc...

symbiosis correct answers Refers to the partnership (usually long term) that is established between 2 or more organisms 3 kinds of symbiosis correct answers mutualism, commensalism, parasitism Pathogen correct answers anything that causes disease infectious disease correct answers disease caused by a microorganism that disrupts normal body functions emergent infectious disease correct answers an infectious disease previously not described or not been common for at least the prior 20 ...