Chapter 1 Introduction: Themes in the Study of Life Multiple-Choice Questions 1) Which of the following properties or processes do we associate with living things? A) evolutionary adaptations B) energy processing C) responding to the environments D) growth and reproduction E) all of the above Answer: E Topic: Overview Skill: Knowledge/Application 2) Which of the following is not a theme that unifies biology? A) interaction with the environment B) emergent properties C) evolution D) reductionism
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MCB300 Exam 2 1. Which of the following statements is false? a. ATP synthase is found in all living organisms b. ATP synthase is a redox-driven proton pump c. ATP synthase can use proton motive force (PMF) to drive ATP synthesis d. ATP synthase can hydrolyze ATP to generate proton motive force (PMF) e. The Boyer model describes how rotary motion is used to synthesize ATP in ATP synthase 2. Which of the following is not associated with photosynthesis? a. Use of bacteriorhodopsin as a light-driven
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Evolution as a theory * Theory- in science‚ a well substantiated explanation of some aspect of the natural world Evolution- the accumulation of inherited genetic changes within populations over generations * Does not refer to changes that occur in an individual within its lifetime * Not limited to speciation that may only occur over long periods of time * Can occur over a few generations‚ and is most commonly expressed as an adaptation to a changing environment or the change in allele
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Question 1 1 out of 1 points Identify the cell membrane within the plant cell figure: Plant Cell_Exam 1.png Selected Answer: A Correct Answer: A Question 2 1 out of 1 points The activation energy required for a catalyzed reaction is ___________ compared to an uncatalyzed reaction. Selected Answer: D. lower. Correct Answer: C. lower. Question 3 1 out of 1 points Identify the cell wall within the plant cell figure: Plant Cell_Exam 1.png Selected Answer: D
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Honors Biology (modified from Foundation Notes) Unit 1 Early Topics Main Sections * Definition of Biology * Characteristics of Life * Levels of Organization * SI Units and Relative Size * Scientific Method * Classification and Binomial Nomenclature Definition of Biology CHAPTER 1 Biology can be broadly defined as the “study of life” or the “study of living things”. It includes molecules that are made‚ used by‚ or derived from living things. It
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decomposers are capable of breaking down cells of other organisms using biochemical reactions that convert the prey tissue into metabolically useful chemical products‚ without need for internal digestion. The most common decomposers are fungi‚ bacteria and archaea‚ the latter two being micro-organisms. Thus‚ some decomposers can be considered Level 2 organisms‚ in the case that they consume dead plant material. However‚ some decomposers may occupy a higher trophic level‚ if they consume dead animals of a
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things • How small is “small”? • What do we really mean by living? • Working definition: Study of entities too small to be seen with the unaided human eye. • (< 0.2 mm = 200 µm = 200‚000 nm) Types of Microbes Prokaryotes include Bacteria and Archaea Eukaryotes include Protista (Algae and Protozoa)‚ Fungi‚ and Animalia Viruses are considered NON-LIVING Size Range of Microbes Relative Microbial Sizes Characteristics of Living Organisms Metabolism – enzyme-catalyzed chemical reactions
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Biological Science‚ 4e (Freeman) Chapter 1 Biology and the Tree of Life 1) Which of the following statements about cells is true? A cell is _____. A) only found in multiples of two‚ because single cells cannot exist independently B) always between 200 and 500 micrometers in diameter C) characteristic of eukaryotic but not prokaryotic organisms D) characteristic of both prokaryotic and eukaryotic organisms Answer: D Reference: Section 1.4 Bloom’s Taxonomy: Level 1 Knowledge 2)
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germicide? An agent that kills germs‚ especially pathogenic microorganisms; a disinfectant. Explain the realm of microbiology and the type of organism‚ which one would expect to study. The realm of microbiology is the domain- Three domains‚ Bacteria Archaea‚ & Eukarya. What is a pathogen specifically? An agent that causes disease‚ especially a living microorganism such as a bacterium or fungus. b. Be able to describe the theories of biogenesis and abiogenesis. Biogenesis- The principle that living
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within its crust. Common land types include hot springs‚ fumaroles and geysers. Under the sea‚ hydrothermal vents may form features called Black Smokers. The areas around submarine hydrothermal vents are biologically more productive. Chemosynthetic archaea form the base of the food chain‚ supporting diverse organisms‚ including giant tube worms clams‚ limpets‚ and shrimp. Hydrothermal vent communities are able to have such vast amounts of life because vent organisms depend on chemosynthetic bacteria
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