Comparing Plant and Animal Cells
... Gently scrape a toothpick over the inside of your cheek and swirl it in a drop of methylene blue to stain the cells (otherwise they will be clear and difficult to see). You are looking for light colored blobs with dark spots in them. Perfect circles with black outlines are airbubbles. Don't sketch t ...
... Gently scrape a toothpick over the inside of your cheek and swirl it in a drop of methylene blue to stain the cells (otherwise they will be clear and difficult to see). You are looking for light colored blobs with dark spots in them. Perfect circles with black outlines are airbubbles. Don't sketch t ...
Page 1 of 1 DTU Systems Biology Mette Voldby Larsen, CBS
... folds inward to form cristae. Mitochondria contain the proteins needed for cellular respiration and the generation of ATP. 14. Chloroplasts are enclosed by two membranes and contain an internal system of thylakoids organized as grana. Chloroplasts carry out photosynthesis. Only plant cells and certa ...
... folds inward to form cristae. Mitochondria contain the proteins needed for cellular respiration and the generation of ATP. 14. Chloroplasts are enclosed by two membranes and contain an internal system of thylakoids organized as grana. Chloroplasts carry out photosynthesis. Only plant cells and certa ...
PROPERTY OF: BIOLOGY – UNIT 3 – CHAPTER 18 NOTES
... vs. analogous structures (similar body parts that evolved from different origins) genetic similarities = similarities in DNA or protein sequences EX: cytochrome c = a protein found on the electron transport chain, found in all organisms, but in slightly different forms The Six-Kingdom System all org ...
... vs. analogous structures (similar body parts that evolved from different origins) genetic similarities = similarities in DNA or protein sequences EX: cytochrome c = a protein found on the electron transport chain, found in all organisms, but in slightly different forms The Six-Kingdom System all org ...
Bacteria - OnCourse
... The Bacterial Cell • Bacteria are prokaryotes – their genetic material is not contained within a nucleus. • Bacteria have a cell wall on the outside and cytoplasm on the inside. The cells genetic material and ribosomes are found in the cytoplasm. • Some bacteria have a flagellum that helps it move. ...
... The Bacterial Cell • Bacteria are prokaryotes – their genetic material is not contained within a nucleus. • Bacteria have a cell wall on the outside and cytoplasm on the inside. The cells genetic material and ribosomes are found in the cytoplasm. • Some bacteria have a flagellum that helps it move. ...
Biol-1406_Ch4notes.pdf
... • Cytoskeleton forms a network of _____________ within the cytoplasm • Provides _____________ _______________ • Three types of proteins: ...
... • Cytoskeleton forms a network of _____________ within the cytoplasm • Provides _____________ _______________ • Three types of proteins: ...
File
... -Bacilli = rod-shaped -Spirilli = spirals Aggregation: -tendency to stick together in smalls groups ...
... -Bacilli = rod-shaped -Spirilli = spirals Aggregation: -tendency to stick together in smalls groups ...
Mechanisms by which chemical messengers control cells
... Receptors which are coupled via G-proteins (for example adrenalin receptors) When activated, these receptors make G-proteins fall into two p f parts which diffuse ff away y f from m the receptor. Activated G-proteins bind to other proteins and change their function. This may lead to activation of so ...
... Receptors which are coupled via G-proteins (for example adrenalin receptors) When activated, these receptors make G-proteins fall into two p f parts which diffuse ff away y f from m the receptor. Activated G-proteins bind to other proteins and change their function. This may lead to activation of so ...
Cell Communication (Plan)
... • Small, nonprotein, water-soluble molecules or ions. • Rapidly diffuse throughout the cell. Two of the most important are cyclic AMP and Ca2+. Others DAG & IP3 (membrane-derived ) ...
... • Small, nonprotein, water-soluble molecules or ions. • Rapidly diffuse throughout the cell. Two of the most important are cyclic AMP and Ca2+. Others DAG & IP3 (membrane-derived ) ...
Micro Unit 4 Notes - Nutley Public Schools
... • Meningitis is an infection of the membranes (meninges) surrounding the brain and spinal cord. • The bacteria most often responsible for bacterial meningitis are common in the environment and can also be found in your nose and respiratory system without causing any harm. • Sometimes meningitis occu ...
... • Meningitis is an infection of the membranes (meninges) surrounding the brain and spinal cord. • The bacteria most often responsible for bacterial meningitis are common in the environment and can also be found in your nose and respiratory system without causing any harm. • Sometimes meningitis occu ...
Lec.1
... 2- Method of replication: Cells replicate either by binary fission (e.g., bacteria) or by mitosis (e.g., fungi). In contrast, viruses disassemble, produce many copies of their nucleic acid and protein, and then reassemble into multiple progeny viruses. 3- Nature of the nucleic acid: All cells contai ...
... 2- Method of replication: Cells replicate either by binary fission (e.g., bacteria) or by mitosis (e.g., fungi). In contrast, viruses disassemble, produce many copies of their nucleic acid and protein, and then reassemble into multiple progeny viruses. 3- Nature of the nucleic acid: All cells contai ...
inflammation 1
... • 4) loss of fluids from capillaries increases blood viscosity… slowing of circulation = stasis • 5) stasis.. Neutrophils accumulate at the epithelial side = margination (the first step in ...
... • 4) loss of fluids from capillaries increases blood viscosity… slowing of circulation = stasis • 5) stasis.. Neutrophils accumulate at the epithelial side = margination (the first step in ...
Mechanisms of Pathogenicity - UCO
... Preferred Portal of Entry • Many microorganisms can cause infections only when they gain access through their specific portal of entry. • If they enter via another portal they cause no response. • Example: Flu is specific for respiratory tissues and cannot cause disease if it enters a different por ...
... Preferred Portal of Entry • Many microorganisms can cause infections only when they gain access through their specific portal of entry. • If they enter via another portal they cause no response. • Example: Flu is specific for respiratory tissues and cannot cause disease if it enters a different por ...
Cell Transport Quiz KEY
... Cell Transport Quiz KEY Directions: Write the correct word for each definition. Each word should only be used once. Osmosis ...
... Cell Transport Quiz KEY Directions: Write the correct word for each definition. Each word should only be used once. Osmosis ...
Spring 2015- Chapter 4
... inorganic ions as well as containing ribosomes and chromosomes. Ribosomes- consist of ribonucleic acid and protein. Contain two subunits a large (50S) and a small (30S). What does S stand for? The intact ribosome with both subunits is a 70S particle. The relative size is determined by measuring thei ...
... inorganic ions as well as containing ribosomes and chromosomes. Ribosomes- consist of ribonucleic acid and protein. Contain two subunits a large (50S) and a small (30S). What does S stand for? The intact ribosome with both subunits is a 70S particle. The relative size is determined by measuring thei ...
CK12 Bacteria
... Some bacteria depend on a host organism for energy and nutrients. These bacteria are known as parasites. If the host starts attacking the parasitic bacteria, the bacteria release a layer of slime that surrounds the cell wall. This slime offers an extra layer of protection. ...
... Some bacteria depend on a host organism for energy and nutrients. These bacteria are known as parasites. If the host starts attacking the parasitic bacteria, the bacteria release a layer of slime that surrounds the cell wall. This slime offers an extra layer of protection. ...
Cells and microscopes
... *Pasteur came up with the idea of Pasteurization after discovering bacteria could contaminate milk from the air. This process kills the bacteria so that it does not harm us! ...
... *Pasteur came up with the idea of Pasteurization after discovering bacteria could contaminate milk from the air. This process kills the bacteria so that it does not harm us! ...
Bacterial Growth - Belle Vernon Area School District
... oxygen but others are killed by it? Oxygen can be converted into a toxic form like (H2O2) & (O2-). Cells that do not die in the presence of oxygen produce enzymes ( ...
... oxygen but others are killed by it? Oxygen can be converted into a toxic form like (H2O2) & (O2-). Cells that do not die in the presence of oxygen produce enzymes ( ...
File - King`s General Science
... In the production of yoghurt, microorganisms (bacteria) change one substance into another, which we use as food. The bacteria used in making yoghurt are Lactobacillus bacteria. Milk contains a sugar called lactose. The bacteria are able to feed on / break down to form lactic acid (fermentation) caus ...
... In the production of yoghurt, microorganisms (bacteria) change one substance into another, which we use as food. The bacteria used in making yoghurt are Lactobacillus bacteria. Milk contains a sugar called lactose. The bacteria are able to feed on / break down to form lactic acid (fermentation) caus ...
Microbiology-1-Diversity
... • Other organism can be inhibited by the presence of oxygen which is called ...
... • Other organism can be inhibited by the presence of oxygen which is called ...
Unicellular Organisms - hrsbstaff.ednet.ns.ca
... disease. It’s true that they cause many diseases, but most are harmless and many are even helpful, as you can see in Figure 1. Dairy products such as buttermilk, cottage cheese, and yogurt are produced by the action of microorganisms. ...
... disease. It’s true that they cause many diseases, but most are harmless and many are even helpful, as you can see in Figure 1. Dairy products such as buttermilk, cottage cheese, and yogurt are produced by the action of microorganisms. ...
taxonomy PP – reg - Teacher Geeks
... The more levels of organization that two organisms share, the more closely related the two organisms are! ...
... The more levels of organization that two organisms share, the more closely related the two organisms are! ...
An Interactive Lecture Guide to help you understand THE
... concentration gradient means to move from HIGH to LOW concentration. To move “up” or “against” a concentration gradient means to move from LOW to HIGH concentration. ...
... concentration gradient means to move from HIGH to LOW concentration. To move “up” or “against” a concentration gradient means to move from LOW to HIGH concentration. ...
outline
... Exceptions: Mycoplasma (Bacteria) Thermoplasma (Archaea) a. Functions 1) Bacteria – divide into 2 groups based on a cell wall molecule called peptidoglycan (=murein) Gram positive Gram negative 2) Archaea – no peptidoglycan, some have pseudomurein, chondroitin sulfate, or protein 7. Structures Exter ...
... Exceptions: Mycoplasma (Bacteria) Thermoplasma (Archaea) a. Functions 1) Bacteria – divide into 2 groups based on a cell wall molecule called peptidoglycan (=murein) Gram positive Gram negative 2) Archaea – no peptidoglycan, some have pseudomurein, chondroitin sulfate, or protein 7. Structures Exter ...
INTRODUCTION TO EMBRYOLOGY
... regions of genes inhibits transcription of those genes. • Some genes are silenced by this mechanism – Muscle cells make muscle proteins not blood proteins ...
... regions of genes inhibits transcription of those genes. • Some genes are silenced by this mechanism – Muscle cells make muscle proteins not blood proteins ...
Chemotaxis
Chemotaxis (from chemo- + taxis) is the movement of an organism in response to a chemical stimulus. Somatic cells, bacteria, and other single-cell or multicellular organisms direct their movements according to certain chemicals in their environment. This is important for bacteria to find food (e.g., glucose) by swimming toward the highest concentration of food molecules, or to flee from poisons (e.g., phenol). In multicellular organisms, chemotaxis is critical to early development (e.g., movement of sperm towards the egg during fertilization) and subsequent phases of development (e.g., migration of neurons or lymphocytes) as well as in normal function. In addition, it has been recognized that mechanisms that allow chemotaxis in animals can be subverted during cancer metastasis.Positive chemotaxis occurs if the movement is toward a higher concentration of the chemical in question; negative chemotaxis if the movement is in the opposite direction. Chemically prompted kinesis (randomly directed or nondirectional) can be called chemokinesis.