Membrane Reception Activity
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Membrane Reception Activity Work in groups of 3-4.
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Membrane Reception Activity Work in groups of 3-4.
Endocrin Diagnosis
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Name: Dr.__________________________________________ AP Biology: Diagnosis of Endocrine Disorders As an endocrinologist, you have the important job of correctly identifying your patients? endocrine disorders and also prescribing a treatment plan. Review each of the set of symptoms displayed by the 6 Patients below. Use your knowledge of the endocrine system to diagnose which disease the patients have. You can then think about a treatment plan for each patient to help them feel better again. Take notes in the patient charts below. Patient Symptoms Diagnosis Endocrine Gland/ Hormone Involved Treatment Plan #1: 22 yo female extreme fatigue a round, red face extra fat deposits on the back of neck irregular menstrual cycle #2: 55 yo male
Cell Communication
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Cell Biology Objectives and Worksheet 2: Cell-to-Cell and Signal Transduction Name____________________ Objectives: Write out material in your course notebook. Cell to cell communication and signal transduction. Distinguish among types of cell-to-cell communication {autocrine, paracrine, endocrine, cytokine, cell surface markers, neurotransmitter} List major classes of receptors. Explain or diagram the specific structural components of the types. List and describe the components of signal transduction and the molecules involved. Write out specific second messenger signal transduction pathways (see tables 6.1 & 6.2). Define each of the following and predict their effect on signal transduction: agonist and antagonist for one receptor
Gene Regulation
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Gene Regulation in Eukaryotes The latest estimates are that a human cell, a eukaryotic cell, contains some 21,000 genes. Some of these are expressed in all cells all the time. These so-called housekeeping genes are responsible for the routine metabolic functions (e.g. respiration) common to all cells. Some are expressed as a cell enters a particular pathway of differentiation. Some are expressed all the time in only those cells that have differentiated in a particular way. For example, a plasma cell expresses continuously the genes for the antibody it synthesizes. Some are expressed only as conditions around and in the cell change. For example, the arrival of a hormone may turn on (or off) certain genes in that cell.
Recombination
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Mechanisms of Bacterial Genetic Recombination Genetic Transfer Genetic transfer is the mechanism by which DNA is transferred from a donar to a recipient. In bacteria genetic transfer can happen three ways: Transformation Transduction Conjugation A recombination event must occur after transfer in order that the change in the genome be heritable (passed on to the next generation). Transformation After death or cell lyses, some bacteria release their DNA into the environment. Other bacteria, generally of the same species, can come into contact with these fragments, take them up and incorporate them into their DNA by recombination. This method of transfer is the process of transformation. Any DNA that is not integrated into the chromosome will be degraded.
Ch. 12 Quick Notes
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THE CELL CYCLE-Chapter 12 ? Ability to reproduce = one characteristic of living things ? Continuity of life based on the reproduction of cells ? Cell division functions in reproduction, growth, and repair? UNICELLULAR ORGANISMS use cell division for reproduction? MULTICELLULAR ORGANISMS use cell division to:? -repair/renew cells that die from normal wear and tear? -grow and develop from a single fertilized egg (zygote)? -reproduce asexually (EX: plants grow by cuttings) ? Results in genetically identical daughter cells ? DNA molecules packaged into chromosomes ? GENOME= cell?s genetic information Prokaryotes genome - single circular loop of DNA Eukaryotes - several DNA molecules in multiple chromosome bundles
Problems Water Potential
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Practice Problems ? Osmosis and Water potential Use this key to answer all the problems below. If you choose B or C, rewrite the statement so that it is complete and true. A = TRUE B = FALSE C = NOT ENOUGH INFORMATION PROBLEM ONE: The initial molar concentration of the cytoplasm inside a cell is 2M and the cell is placed in a solution with a concentration of 2.5M. Initially, free energy is greater inside the cell than outside It is possible that this cell is already in equilibrium with its surroundings. Initially, solute concentration is greater outside the cell than inside. Water will enter the cell because solute potential is lower inside the cell than outside.
Exploring Protein Structure
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EXPLORING PROTEIN STRUCTURE Discuss the properties of the following fibrous proteins in relation to their structure and function: Collagen Fibroin Keratin Some globular proteins, such as actin, can link together to form filaments. Discuss the importance of this property for cells. Discuss how the microtubules of the cell cytoskeleton form. Relate this structure to the function of the cell cytoskeleton. Enzymes are globular proteins that catalyse reactions in a highly specific manner. Discuss how catalase increases the rate of reaction for removing hydrogen peroxide from cells so it does not reach toxic levels.
Myers' Psychology for AP - Unit 2 Flashcards2
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HINDSIGHT BIAS Unit #2: Research CRITICAL THINKING Unit #2: Research THEORY Unit #2: Research Methods HYPOTHESIS Unit #2: Research Methods OPERATIONAL DEFINITION Unit #2: Research Methods REPLICATION Unit #2: Research Methods CASE STUDY Unit #2: Research Methods SURVEY Unit #2: Research Methods POPULATION Unit #2: Research Methods RANDOM SAMPLE Unit #2: Research Methods NATURALISTIC OBSERVATION Unit #2: Research Methods CORRELATION Unit #2: Research Methods CORRELATION COEFFICIENT Unit #2: Research Methods SCATTERPLOT Unit #2: Research Methods ILLUSORY CORRELATION Unit #2: Research Methods EXPERIMENT Unit #2: Research Methods RANDOM ASSIGNMENT Unit #2: Research Methods DOUBLE-BLIND PROCEDURE Unit #2: Research Methods PLACEBO EFFECT
Myers' Psychology for AP - Unit 2 Flashcards1
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The tendency to believe, after learning an outcome, that one would have foreseen it. (Also known as the I-knew-it all-along-phenomenon) *Example: September 11th Thinking that does not blindly accept arguments and conclusion. Rather, it examines assumptions, discerns hidden values, evaluates evidence, and assesses conclusion. *Example: An explanation using an integrated set of principles that organizes observations and predicts behaviors or events. *Example: A testable prediction, often implied by a theory. *Example: A statement of the procedures (operations) used to define research variables. *Example: Human Intelligence may be operationally defined as what ban intelligence test measures.
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