State University Of New York - Binghamton

What are the specificity properties for membrane transporters vs membrane channels for their respective transported solute? - Answer Transporters have specific binding sites; channels allow substance in based on ion charges or size of molecules If a stimulus causes the membrane of the neuron below to depolarize to -50 mV, would action potential be generated? - Answer No What is the main function of lysosomes? - Answer Protein degradation Imagine you are studying the tr...

microorganism - Answer size is measured in microns and can only be seen in detail under microscope parasites are included with microorganisms because - Answer they are associated with disease ideal characteristics of microbes - Answer easily cultured, can attain high cell numbers, are relatively cheap, and show greater diversity than eukaryotes microbio is used in the fields of... - Answer medicine, biotech, agriculture and industry characteristics of all livi...

microorganism - Answer size is measured in microns and can only be seen in detail under microscope parasites are included with microorganisms because - Answer they are associated with disease ideal characteristics of microbes - Answer easily cultured, can attain high cell numbers, are relatively cheap, and show greater diversity than eukaryotes micro bio is used in the fields of... - Answer medicine, biotech, agriculture and industry characteristics of all liv...

mycoplasma - Answer related to gram positive but lack a cell wall cyanobacteria - Answer closely related to algae and higher plants (related to gram positives) green sulfur and green no sulfur - Answer photosynthetic organisms spirochetes - Answer medically important and have unique morphology chlamydia - Answer obligate intracellular parasites aquifex and thermotoga - Answer thermophiles Archaea - Answer more closely related to eukarya...

Peter Mitchell - Answer Nobel Prize in 1978 for chemiosmosis Rudolph Virchow and Elie Metchnikoff - Answer Rudolph - WBC - RBC recognized inside → saw this and realized WBC were "giving birth" to RBC → actually Heterophagy Metchnikoff - "eat or be eaten" - lysosomes, Phagocytosis, Discovered heterophagy Joseph Priestly - Answer photosynthesis. discovered a relationship between plants and animals using a flask with a mouse and a mint leaf and candle ...

1. Bright field microscopy/compound light microscopy - Answer Dark Specimen, bright viewing field requires staining 1. Cryostat - Answer A chamber that can maintain low temperatures, preserves frozen tissue samples that can then be sliced 1. Phase contrast microscope - Answer observes living cells, light changes speed when travelling through extracellular structures, suitable for single cells or thin tissue not thicque 1. Nomarski/Differential Interference Contrast - A...

What is Molecular Biology - Answer A group of processes and techniques used to manipulate, analyze, expand, and express nucleotide sequence to understand/control gene function Genomics - Answer Wide reaching expansive term, key element is genes Gene transfects - Answer Inserting intact genes through viruses, liposomes, nanoparticles Example of gene transfection - Answer GFP linked to a gene of interest Editing genes - Answer Adding or removing genes or s...

Cytosekeleton - Answer Network of filaments that run throughout the cytoplasm, is dynamic and not static, can be a target for cancer (microtubules) What does the cytoskeleton do - Answer Gives the cell its shape and aids in movement, guide for vesicular transport and orientation of organelles where is Internal cytoskeleton - Answer Specific to Eukaryotes 3 Major components - Answer 1.) Actin filaments (microfilaments, smallest) 2.) Intermediate filaments (Medium...

Langmuir Trough - Answer -used an experiment w/ pressure and proposed that a cell membrane could be a phospholipid bilayer (as opposed to monolayer) -1917 Danielle and Davson - Answer first formal model of a cell membrane -1935 -protein-phospholipid-protein sandwich with a polar pore lined w/ proteins what is the significance of the J.D. Robertson model? - Answer -used TEM -confirmed D/D model -found OsO4 on the membrane -suggested glycosylation 1960's/1970...

Cell Biology and Society - Answer Core of most major advancements in medicine, has bioethical boundaries mRNA Vaccines and Covid-19 - Answer problem was that mRNA causes immune reactions and could be degraded - solution to change a few bases. Another problem, how to get mRNA into cells and express the protein? Pfizer/BioNTech and Moderna Katalin Kiriko - Answer Katalin Kiriko (doubted and demoted), made COVID mRNA vaccine, won Nobel prize in Physiology or medicine - 2023 ...