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microbiology

Fungus Lecture

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Lecture 5 ? Kingdom of Fungi HW 1. Explain what a pseudohypha is. -A chain of yeast formed when buds remain attached in a row. 2. Explain what a ?dimorphic fungus? is. -It can take either form (yeast or hyphae), depending upon growth conditions, such as changing temperature. 3. What are mycoses? Fungal infections in the way the agent enters the body and the degree of tissue involvement. 4. What are the three most common sexual spores? -Zygospores, ascospores, and basidiospores 5. Give six types of asexual mold spores. -Arthrospore; Chlamydospore, Blastospore, phialospore, micro/macroconidium; porospores 6. What are zygospores?

Chapter 1 Introduction to Biology Lecture

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Introduction: Exploring Life Chapter 1 Definition of Biology The study of life Characteristics of Living Organisms Living organisms are organized. Atom: the smallest unit of matter that still retains the properties of an element Molecule: two or more chemically bound elements Characteristics of Living Organisms Living organisms are organized Cell: the basic living unit of structure and function Eukaryotic cell Possesses a membrane-bound nucleus and membrane-bound organelles Ex. protists, fungi, plants, and animals Prokaryotic cell Does not possess a membrane-bound nucleus or membrane-bound organelles Ex. bacteria Characteristics of Living Organisms Living organisms are organized Tissue: a collection of like cells

Info about the great bio discoverers

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Griffith Reported his experiment in 1928, which demonstrates that bacteria change their form and function, called bacterial transformation Experiment showed that a strain implicated in lobar pneumonia could transform into other strains, which he attributed to some transforming factor that would eventually be identified as DNA

list of Ap Psych terms

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AP Psychology: Mid-Term Exam Study Guide Key Terms Ch 1 Psychology Scientific Method Theory Hypothesis Structuralism Functionalist Theory Psychodynamic theories Behaviorism Gestalt psychology Humanistic psychology Cognitive psychology Evolutionary psychology Positive psychology Gender Gender stereotypes Gender roles Feminist theory Sexual orientation Race Ethnicity Culture Empirical evidence Naturalistic observation Observer bias Case study Survey research Correlational research Experimental method Participants Independent variable Dependent variable Experimental Group Control Group Experimenter bias Sample Random Sample Representative sample Ch 2 Psychobiology Neuroscience Neurons Dendrites

APES CHAPTER 4

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Exam 4 review sheet Chapter 3 Hydro cycle Solar energy heats Earth, and causes evaporation Evaporated water condenses into clouds Water returns to Earth as precipitation Precipitation falling on land is taken up by plants, runs off along the land surface, or percolates into the soil and enters the groundwater Carbon cycle Carbon is the most important element in living organisms makes up 20 percent of total body weight. Produces convert CO2 into sugars Sugars are converted back into CO2 Some carbon can be buried Human extraction of fossil fuels brings carbon to Earth?s surface, where it can be combusted C02 in the atmosphere and CO2 dissolved in water are constantly exchanged Combustion converts fossil fuels and plant material into CO2 Nitrogen cycle

APES CHAPTER 4

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Exam 4 review sheet Chapter 3 Hydro cycle Solar energy heats Earth, and causes evaporation Evaporated water condenses into clouds Water returns to Earth as precipitation Precipitation falling on land is taken up by plants, runs off along the land surface, or percolates into the soil and enters the groundwater Carbon cycle Carbon is the most important element in living organisms makes up 20 percent of total body weight. Produces convert CO2 into sugars Sugars are converted back into CO2 Some carbon can be buried Human extraction of fossil fuels brings carbon to Earth?s surface, where it can be combusted C02 in the atmosphere and CO2 dissolved in water are constantly exchanged Combustion converts fossil fuels and plant material into CO2 Nitrogen cycle

Fungi Problem Set

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Christina Krucylak Fungi Problem Set AP Biology April 2, 2013 Fungi are heterotrophs and therefore cannot make their own food, like plants can. They absorb nutrients from the outside environment. They use enzymes to either breakdown complex molecules into simpler ones for easier absorption or to break down cell walls or membranes to absorb nutrients from a host. Fungi have a wide range of ?hosts? and they can range from parasitic relationships to mutualistic ones. Hyphae are a network of tubular membranes surrounding the plasma membrane and cytoplasm of cells. This network is both above and below ground. A mycelium is more or less the subterranean part of a hyphae tube network. A mycelium infiltrates the material on which the fungus feeds off of.

chapter 27 notes

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Chapter 27- bacteria and archaea Hypotonic hypertonic Lysis Mycoplasmas- bacteria that lack cell walls Gram positive bacteria- cell walls made of peptidoglycan Penicillin works on gram positive bacteria by preventing the synthesis of peptidoglycan Cell wall layers are: outermost is capsule, then lipopolysaccharide, then peptidoglycan, then phospholipids Cell wall is source of endotoxin Gram negative bacyeria- outer membrane with toxic lipopolysaccharides Plasmolysis- loss of water due to osmosis causes cytoplasm to pull away from cell wall Occurs in environments with high sugar content DNA should be located in the following to avoid cell death by adverse conditions, such as freezing, drying, or high temp: Nucleoid, endospore, plasmid

chapter 26 notes

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Chapter 26 Rooted Tree- has an ancestor common to all organisms on the tree Kingdom, phylum, class, order, family, genus, species Node- spot where a common ancestor exists of branches coming off of it Phylocode method of classification- naming based on similarities Homoplasy- a trait (genetic, morphological etc.) that is shared by two or more taxa because of convergent evolution i.e. 4 chambered heart in mammals and birds Clade- a group consisting of an ancestor and all its descendants, a single "branch" Cladistics- grouped together based on whether or not they have one or more shared unique characteristics that come from the group's last common ancestor and are not present in more distant ancestors

AP Bio Study

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Biology, 7e (Campbell) Chapter 26: The Tree of Life: An Introduction to Biological Diversity Chapter Questions 1) The first genetic material was most likely a(n) A) DNA polymer. B) DNA oligonucleotide. C) RNA polymer. D) protein. E) protein enzyme. Answer: C Topic: Concept 26.1 Skill: Knowledge 2) Which gas was probably least abundant in Earth's early atmosphere? A) O2 B) CO C) CH4 D) H2O E) NH3 Answer: A Topic: Concept 26.1 Skill: Knowledge 3) In their laboratory simulations of the early Earth, Miller and Urey observed the abiotic synthesis of A) amino acids. B) complex organic polymers. C) DNA. D) liposomes. E) nucleoli. Answer: A Topic: Concept 26.1 Skill: Knowledge

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