Microtubule

extracellularly as well as intracellularly so that they can sense infections inside and outside of the cell. Immunofluorescence would be a great method to be able to see what what specific antibodies have been chemically bound to fluorescent dye within the microtubule cytoskeleton and nuclei. Immunohistochemistry could also be used to selectively take images of antigens and proteins in tissue cells because antibodies bind specifically to antigens in biological tissues through CD3 T-cells. Using…

Animal Cell Mitosis Mitosis is defined as the division of the nucleus. In animal cells, consists of 5 major phases – prophase, prometaphase, metaphase, anaphase and telophase. Cytokinesis occurs immediately following telophase, the last phase of mitosis and is the division of the cytoplasm. Mitosis and cytokinesis are phases when the cell is actively dividing and these stages last for a very short time compared to interphase. For most of a cell’s life, it is in interphase, which is a phase…

Chediak-Higashi syndrome is a Primary human immunodeficiency disease which is caused by genetic predisposition in an autosomal recessive pattern, where this describes any chromosome other than sex chromosomes where both pairs of the gene in each cell have underwent mutation. This disorder itself is a rare one, where about 200 cases of the condition have been reported worldwide. The parents of the person with this type of condition, autosomal recessive, carry one copy of the mutated gene, but…

An organism discovered on the Japanese seashore behaves as a predator and a plant in a bizarre lifecycle that may bring biologists closer to understanding how chloroplasts became part of plant cells, according to a study from the University of Tsukuba. Before understanding how this mysterious single-celled organism works, it had to be given a proper scientific name. Analysis of its cellular structure and genetic profile showed that it is most closely related to organisms assigned to the genus…

Pathogenic Mechanism of Alzheimer’s disease The pathophysiology of Alzheimer’s disease is complex, involving several neurotransmitter systems and pathophysiologic process. The three hall marks of Alzheimer’s disease are the presence of neuritic (senile) plaques, neurofibrillary tangles, and amyloid angiopathy (Grossman & Porth, 2014). The neuritic plaques are patches or flat areas composed of clusters of degenerating nerve terminals arranged around a central amyloid core. The amyloid core has…

1.1 Explain the appropriateness of light and electron microscopes for different purposes. Explain the difference between magnification and resolution (2) Magnification is how much you can enlarge an image Resolution is how sharp and clear your microscope can show an image State the resolution that can be achieved by each of the following types of microscope (2) Light microscope. 200nm Transmission electron microscope. 0.5nm Explain the appropriateness of light and electron…

Introduction: The ultimate goal of this laboratory experiment was to have a better understanding of phagocytosis and how certain factors may affect the rate of phagocytosis. The first part of the experiment was to test the effects of both concentrations of India ink, and feeding status on the rate of phagocytosis. Through this testing one can identify the conditions necessary to obtain the highest rate of phagocytosis. The second part of this lab was taking the variables that maximize the rate…

Laboratory Report 2 Student: Ian Lee Pepito Lab Section: 1 The Cell Cell Structure Nucleus a. Control center of the cell Cell Membrane b. Controls passage of materials into and out of the cell Chromosome c. Filaments of DNA and protein Chloroplast (Plastids) d. Sites of photosynthesis Cell wall e. Cellulose structure supporting plant cell Cytoplasm f. Substance in which organelles are embedded Mitochondria g. Sites of cellular respiration Nucleolus h. Composed of RNA and…

Sonic hedgehog signalling function during nervous system development 13354626 Katie O’Byrne words including references Sonic hedgehog (Shh) is a glycoprotein that is secreted by and diffuses through the developing nervous system. It is a member of the hedgehog family of signaling molecules. The Sonic hedgehog signaling cascade is an integral trafficking system that influences the pattering and growth processes involved in the development of multicellular organisms. Shh is particularly important…

Introduction Development, replication, and inheritance depend on the cell division cycle. A series of events is carried out in a cell leads to division and duplication. Two daughter cells get produced. Prokaryotes that lack a cell nucleus forms binary fission. Cells with a nucleus like eukaryotes the cell cycle are divided into three periods. Interphase, the (M) mitotic phase, and cytokinesis. In Interphase, the cell increases to accumulate nutrients needed for mitosis, preparing it for cell…