Photosynthesis
... Some sugar is used in respiration, some is stored as starch and some is carried in solution to other parts of the plant in the phloem. This is stored or respired. ...
... Some sugar is used in respiration, some is stored as starch and some is carried in solution to other parts of the plant in the phloem. This is stored or respired. ...
Making an onion slide
... Cells are very small. You cannot see them without help. You have already learnt how to use a microscope, and you will now use a microscope to observe a plant cell. ...
... Cells are very small. You cannot see them without help. You have already learnt how to use a microscope, and you will now use a microscope to observe a plant cell. ...
"pdf" copy of Topic 6, The Plant Cell
... Crystals of calcium oxalate (a salt of oxalic acid) are frequently found in plant tissues. How they function to enhance the survival of plants is not always clear, though in some cases they may protect the plant from herbivores. In all cases, these crystals form in the vacuole. They take on differen ...
... Crystals of calcium oxalate (a salt of oxalic acid) are frequently found in plant tissues. How they function to enhance the survival of plants is not always clear, though in some cases they may protect the plant from herbivores. In all cases, these crystals form in the vacuole. They take on differen ...
Evolution and Development
... release migratory cells at these early stages, injections at later stages did highlight the production of such cells by this region, and again these cells migrated into the body wall. Just as in vertebrates, therefore, migratory cells emerge from the neural tube during Ecteinascidia development and, ...
... release migratory cells at these early stages, injections at later stages did highlight the production of such cells by this region, and again these cells migrated into the body wall. Just as in vertebrates, therefore, migratory cells emerge from the neural tube during Ecteinascidia development and, ...
AxisForm.Gastrulation.2.11
... endoderm and prechordal plate mesoderm The next cells through will form notochord These first cells also induce the nervous system from the overlying ectoderm Cells gastrulating through more posterior primitive streak become other mesoderm and endoderm derivatives BUT, note that the organizer MOVES ...
... endoderm and prechordal plate mesoderm The next cells through will form notochord These first cells also induce the nervous system from the overlying ectoderm Cells gastrulating through more posterior primitive streak become other mesoderm and endoderm derivatives BUT, note that the organizer MOVES ...
![[2] Fish and Shellfish Bio](http://s1.studyres.com/store/data/014238349_1-48d6ae290adf4a37c178e93c0a26de75-300x300.png)
[2] Fish and Shellfish Bio
... Because of the importance of penaeid shrimps in world aquaculture, there is much interest in understanding their immune system to improve their resistance to pathogenic microorganisms. Basic knowledge of shrimp immunity is needed to develop strategies for prophylaxis and control of diseases in shrim ...
... Because of the importance of penaeid shrimps in world aquaculture, there is much interest in understanding their immune system to improve their resistance to pathogenic microorganisms. Basic knowledge of shrimp immunity is needed to develop strategies for prophylaxis and control of diseases in shrim ...
Jan24_08
... -Consumers of algae consume sugars and lipids for energy -Lipids are needed by algae for buoyancy in water 3. Cellular Organization -Nucleus, mitochondria, chloroplast, set up establishes evolutionary trail. 4. Molecular Phylogeny -Evolution into different organisms from a primary source. 5. Morphol ...
... -Consumers of algae consume sugars and lipids for energy -Lipids are needed by algae for buoyancy in water 3. Cellular Organization -Nucleus, mitochondria, chloroplast, set up establishes evolutionary trail. 4. Molecular Phylogeny -Evolution into different organisms from a primary source. 5. Morphol ...
Introduction to Dermatology
... Basal layer Rest on the basement membrane they divide continuously and move upwards. Melanocytes are dendritic cells lying between basal cells in a ratio of 1:10 . Melanocytes synthesize melanin stored in melanosomes. ...
... Basal layer Rest on the basement membrane they divide continuously and move upwards. Melanocytes are dendritic cells lying between basal cells in a ratio of 1:10 . Melanocytes synthesize melanin stored in melanosomes. ...
Human Scent
... Human Scent No matter how hard we try to stay clean by showering, washing our hair, or changing into clean clothes, each of us has an odor or scent that is ours and ours alone. Skin cells contain our genetic make-up. Medications and changes in our age and health affect our body’s chemical structure. ...
... Human Scent No matter how hard we try to stay clean by showering, washing our hair, or changing into clean clothes, each of us has an odor or scent that is ours and ours alone. Skin cells contain our genetic make-up. Medications and changes in our age and health affect our body’s chemical structure. ...
plant cells – onion skin
... 1. Using the tweezers, peel off a single layer of onion skin from the inner curve of a layer of onion (if you cannot see through it, it is too thick). 2. Carefully lay the onion skin on your slide, making sure to lay it flat, do not let it fold. 3. Place a small drop of iodine on the onion skin. 4. ...
... 1. Using the tweezers, peel off a single layer of onion skin from the inner curve of a layer of onion (if you cannot see through it, it is too thick). 2. Carefully lay the onion skin on your slide, making sure to lay it flat, do not let it fold. 3. Place a small drop of iodine on the onion skin. 4. ...
Exam 1 Objectives
... The objectives for each exam are designed to give you a list of learning outcomes for the relevant chapters, and to serve as a study guide. They cover most of the things you need to know; however, they are not exhaustive. 1. Define anatomy and physiology. Identify the levels of organization found in ...
... The objectives for each exam are designed to give you a list of learning outcomes for the relevant chapters, and to serve as a study guide. They cover most of the things you need to know; however, they are not exhaustive. 1. Define anatomy and physiology. Identify the levels of organization found in ...
The primary cell wall
... Basic Rules for Caring for Microscopes •EVERYTHING on a microscope is unbelievably expensive, so be careful. •Hold a microscope firmly by the stand, only. Never grab it by the eyepiece holder, for example. •Hold the plug (not the cable) when unplugging the illuminator. •Since bulbs are expensive, ...
... Basic Rules for Caring for Microscopes •EVERYTHING on a microscope is unbelievably expensive, so be careful. •Hold a microscope firmly by the stand, only. Never grab it by the eyepiece holder, for example. •Hold the plug (not the cable) when unplugging the illuminator. •Since bulbs are expensive, ...
Laser Capture Microdissection of Cells Labeled with Enhanced
... analyses. In traditional applications, LCM is used to isolate cells that are distinguished by morphology, histological stains, or labeling by fluorescent antibodies from a heterogeneous population of cells in a tissue section. In this Application Note, an adaptation of this technique for the microdi ...
... analyses. In traditional applications, LCM is used to isolate cells that are distinguished by morphology, histological stains, or labeling by fluorescent antibodies from a heterogeneous population of cells in a tissue section. In this Application Note, an adaptation of this technique for the microdi ...
Skin Anatomy
... •The stratum granulosum contains cells that are beginning to flatten as they are pushed up towards the dead cells of the most superficial layers. These cells continue to undergo keratinazation. •Finally, the stratum corneum consists of several layers of dead, fullykeratinized cells. Because these ce ...
... •The stratum granulosum contains cells that are beginning to flatten as they are pushed up towards the dead cells of the most superficial layers. These cells continue to undergo keratinazation. •Finally, the stratum corneum consists of several layers of dead, fullykeratinized cells. Because these ce ...
Chapter 14 Notes 2013
... epidermis that is made up of connective tissue and contains blood vessels and nerves. The dermis has protein fibers that give the skin its elasticity, or spongy, flexible quality. Nerve cells in the dermis act as receptors, which are stimulated by changes in the outside environment. These rece ...
... epidermis that is made up of connective tissue and contains blood vessels and nerves. The dermis has protein fibers that give the skin its elasticity, or spongy, flexible quality. Nerve cells in the dermis act as receptors, which are stimulated by changes in the outside environment. These rece ...
DEPARTMENT OF VETERINARY ANATOMY AND PHYSIOLOGY NEWSLETTER 2014
... In the chromatophores, the pigments are tiny in vesicle keeping the pigments in one place, The cells can be activated by hormones in the blood or nerve signals or both. When the chromatophores are activated, it stimulates the vesicles containing the pigments to release. The pigment floats the cell a ...
... In the chromatophores, the pigments are tiny in vesicle keeping the pigments in one place, The cells can be activated by hormones in the blood or nerve signals or both. When the chromatophores are activated, it stimulates the vesicles containing the pigments to release. The pigment floats the cell a ...
National Healthy Skin Month
... Seek your dermatologist’s recommendations for proper skin care products. Sunscreen products that contain antioxidants used for sun-protection should be worn during the daytime. Growth factors having repair properties that contain retinoids, peptides work better if worn at night. Skin Cancer ...
... Seek your dermatologist’s recommendations for proper skin care products. Sunscreen products that contain antioxidants used for sun-protection should be worn during the daytime. Growth factors having repair properties that contain retinoids, peptides work better if worn at night. Skin Cancer ...
Topic 2: Microscopy and Staining Measurement of Microorganisms
... Zacharias Janssen invented the compound microscope (but Leeuwenhoek’s simple scope was better than the compounds available at the time.) Bright-field, or light microscopes (the most basic type of compound scope) use visible light to view objects. Specimens are made visible by differences in contrast ...
... Zacharias Janssen invented the compound microscope (but Leeuwenhoek’s simple scope was better than the compounds available at the time.) Bright-field, or light microscopes (the most basic type of compound scope) use visible light to view objects. Specimens are made visible by differences in contrast ...
MEDICAL BIOLOGY AND GENETICS 1 Comenius
... hypotonic solution an animal cell will lyse and destroy while a plant cell will turgid as the cell wall will not let it burst. On the other hand, in a hypertonic solution animal cells will lose water to their surroundings, ...
... hypotonic solution an animal cell will lyse and destroy while a plant cell will turgid as the cell wall will not let it burst. On the other hand, in a hypertonic solution animal cells will lose water to their surroundings, ...
Homeostasis - Liberty Public Schools
... 1. Autoregulation- activities of a cell, tissue or organ change automatically when faced with environmental variation. Ex. Cells in a certain tissue need more O2. Cellsrelease chemicalsdilate (open) blood vessels nearbylocal cells receive more O2 . Only localized changes. ...
... 1. Autoregulation- activities of a cell, tissue or organ change automatically when faced with environmental variation. Ex. Cells in a certain tissue need more O2. Cellsrelease chemicalsdilate (open) blood vessels nearbylocal cells receive more O2 . Only localized changes. ...
The Microscope
... -Zoologist -Determined that all animals and their parts are composed of cells (tougher to convince people of this) Reasons for this: 1. Rounded shape- most “cells” were square 2. No cell wall ...
... -Zoologist -Determined that all animals and their parts are composed of cells (tougher to convince people of this) Reasons for this: 1. Rounded shape- most “cells” were square 2. No cell wall ...
chapter6_Sections 1
... • Pigments are molecules that absorb light of particular wavelengths; photons that are not captured by a pigment are reflected as its characteristic color • Chlorophyll a, the main photosynthetic pigment, absorbs violet and red light, and so it appears green • Accessory pigments absorb additional wa ...
... • Pigments are molecules that absorb light of particular wavelengths; photons that are not captured by a pigment are reflected as its characteristic color • Chlorophyll a, the main photosynthetic pigment, absorbs violet and red light, and so it appears green • Accessory pigments absorb additional wa ...
Chromatophore
Chromatophores are pigment-containing and light-reflecting cells, or groups of cells, found in bacteria and a wide range of animals including amphibians, fish, reptiles, crustaceans and cephalopods. Mammals and birds, in contrast, have a class of cells called melanocytes for coloration.Chromatophores are largely responsible for generating skin and eye colour in cold-blooded animals and are generated in the neural crest during embryonic development. Mature chromatophores are grouped into subclasses based on their colour (more properly ""hue"") under white light: xanthophores (yellow), erythrophores (red), iridophores (reflective / iridescent), leucophores (white), melanophores (black/brown), and cyanophores (blue). The term chromatophore can also refer to coloured, membrane-associated vesicles found in some forms of photosynthetic bacteria.Some species can rapidly change colour through mechanisms that translocate pigment and reorient reflective plates within chromatophores. This process, often used as a type of camouflage, is called physiological colour change or metachrosis. Cephalopods such as the octopus have complex chromatophore organs controlled by muscles to achieve this, whereas vertebrates such as chameleons generate a similar effect by cell signalling. Such signals can be hormones or neurotransmitters and may be initiated by changes in mood, temperature, stress or visible changes in the local environment. Chromatophores are studied by scientists to understand human disease and as a tool in drug discovery.