- Guías de estudio, Notas de estudios & Resúmenes
¿Buscas las mejores guías de estudio, notas de estudio y resúmenes para ? En esta página encontrarás 200 documentos de estudio para .
Examen
SUU BIOL 2420 final QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
Neurons contain Afferent membrane potential information coming in from PNS to CNS Efferent information going out of CNS Sodium potassium pump Cell will always be negative 3 Na out, 2 K in Nervous tissue is selectively permeable to Na and K but not t issue negative What do dendrites do? negative ions, keeping the come off soma to increase surface area and receive incoming signals pre-synaptic neuron post-synaptic neuron axon ter...
FirstClass5
Examen
SUU BIOL 2420 final EXAM QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
What is the name of the nucleotide sequences (containing 3 nucleotides) found on the messenger RNA? Codon What do all biomolecules contain? Carbon What allows the nucleus to communicate with the cytoplasm of the cell? Nuclear Pores What center, located in the hypothalamus, regulates temperature? Integrating Center What term represents a condition in the body that changes and the body tries to keep within a certain range? Regulated Variable What prevents substances that ca...
FirstClass5
Examen
SUU BIOL 2420 final EXAM QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
Pasteur Which of the following scientists provided evidence to disprove the concept of spontaneous generation? Pasteur Needham Redi Buchner Spallanzani Fungi are acellular Fungi are eukaryotes molds are multicellular fungi are acellular yeasts are unicellular lister Which of the following statements about fungi is FALSE? which of the following individuals pioneered the use of chemicals to reduce the incidence of infections during surgery? nightingale...
FirstClass5
Examen
Midterm - BIOL 2420 QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
What is a Halo greek prefix meaning salt Do freezing temps kill germs? No, it only thaws them until they are thawed Psychrophiles Cold-loving, can grow at 0 degrees C. ex. listeria monocytogenes mesophiles moderate-temperature-loving, most bacteria are mesophiles thermophiles heat loving microbes What pH do most bacteria grow in?
FirstClass5
Examen
Microbiology (BIOL 2420) QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
Which of the following scientist built the first rudiment microscope? Van Leeuwenhoek Which of the following scientist discovered that fermentation is caused by microorganisms? Pasteur Which of the following scientist proved Germ Theory (theory that a particular germ can cause a specific disease), by experiencing with the bacteria that cause Anthrax? Koch Bacteria Unicellular organisms that have no membrane-bound organelles and are considered Prokaryotic are: All ...
FirstClass5
Examen
biol2420 CH 20 QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
Move the correct terms into their corresponding empty boxes within the figure to complete the concept map. Left: - Salmonella - E. coli 0157:H7 - Rotavirus Right: - Shigella - Cyclospora - Giardia Place the steps in the correct order to review the stages in soft-tissue infection, gingivitis, and periodontitis. Left; - Tooth,gingiva, and bone show no inflammation Middle: - inflammation, calculus are well developed
FirstClass5
Examen
BIOL-2420 Exam I QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
What types of microbes could the first simple light microscopes see? fungi, bacteria, algae, and protozoans, but not viruses. Which taxonomic kingdom do all bacterial and archaeal cells belong to? What is the false statement about fungi? Fungi are photosynthetic. Who introduced cleanliness and antiseptic techniques to nursing practice? Nightingale. They could see Monera. Florence What two characteristics must a hypothesis have to be useful in scientific inquir...
FirstClass5
Examen
BIOL-2420 Exam 1 QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
electrochemical gradient electrical gradient + concentration gradient characteristics that make a substance selectively permeable solubility (lipid or water) charge / polarity examples of lipid-soluble substances alcohol steroid hormones fatty acids O2 list membrane transport from fastest/cheapest to slowest channel carrier secondary AT primary AT vesicular (endo/exocytosis) examples of gated channels size diffusion ligand gated (or chemi...
FirstClass5
Examen
Biol. 2420: Ch. 4 Review exercises QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
Conformational changes in channel proteins brought about by voltage changes are responsible for opening and closing Na1 and K1 gates during the generation of an action potential. (True or false?) T The Na1-K1 pump restores the membrane to resting potential after it reaches the peak of an action potential. (True or false?) F After an action potential, the K1 concentration is greater outside the cell than inside the cell because of the efflux of K1 during the falling phase....
FirstClass5
Examen
BIOL 2420- Chapter 3 QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
BIOL 2420- Chapter 3 QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
FirstClass5
Examen
BIOL 2420 - Lab Practice Exam #1 QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
What instrument is used to sterilize media? Autoclave Identify the autoclave conditions for sterilization in the microbiology lab. 121oC, 15psi, 20min What is the purpose of adding agar to the medium? Agar is a thickener; turns a liquid medium into a semi-solid medium What are the advantages of using agar over something like gelatin? (2 reasons) 1. It has a high melting point, so does not melt at 37oC (human body temp) 2. It cannot be metabolized (broken down) by the bacteria W...
FirstClass5
Examen
BIOL 2420 - Final Exam QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
3 major basic shapes of bacteria bacillus (rods), coccus (circular), spirillum (spiral) Germ Theory of Disease (Koch's Postulates) A set of criteria used to establish that a particular infectious agent causes a disease - Koch's Postulate proves the theory Biofilms microbes that attach to solid surfaces and grow into masses. grow on rocks, pipes, teeth, and medical implants. form slimy layers on surfaces such as your teeth. can cause infections from forming on ca...
FirstClass5
Examen
BIOL 2420-Exam 3 EXAM QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
What fluid is secreted by the exocrine pancreas? What fluid is stored in the gallbladder? Digestive juices Bile-it squirts the bile into the duodenum Which duct fuses with the pancreatic duct before it enters the duodenum? duct What is the main role of the bile in digesting fats within the small intestine? to emulsify ingested fats within the lumen of the small intestine Common bile Bile is used Why do pancreatic acini secrete a bicarbonate-rich fluid (which i...
FirstClass5
Examen
BIOL 2420: Ch. 1 QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
microbiology study of microbes major microbe groups eukaryotes, bacteria, archaea eukaryote characteristics single-celled/multicellular + true nucleus + histones; have organelles bacteria/archaea characteristics single-celled only + anucleated + no histones; have complex inner structure histones hair rollers for chromosomes; a line of histones = chromatin fiber examples of eukaryotic organisms
FirstClass5
Examen
BIOL 2420 - CH 19 Smartbook QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
What is used to subdivide the gram-positive bacilli into three general groups? staining properties presence of endospores acid-fast ________ is a zoonotic disease caused by Bacillus anthracis with differing human disease manifestations based on the portal of entry Anthrax Which of the following are characteristic of the genus Bacillus? gram-negative source of antibiotics aerobic saprobic endospore-forming anaerobic aerobic saprobic source of ant...
FirstClass5
Examen
BIOL 2420: Final Exam Review QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
Prokaryote Characteristics - NO nucleus - DNA NOT associated with histones - lack membrane bound organelles - divide by binary fission Eukaryote Characteristics - have nucleus - DNA is associated with chromosomal proteins known as histones - contain membrane bound organelles - divide by mitosis, meiosis Cell Wall - prevents cell from rupturing under increased water pressure - site of action for antibiotics - rigid cell wall determines shape Gram Positive Cell Wall - THICK c...
FirstClass5
Examen
BIOL 2420- Chapter 3 QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
Inclusions storage sites within the cytoplasm of some bacterial and eukaryotic cells. They serve as reserves for nutrients, energy, or building materials that the cell can use later. active transport process by which cells move molecules across their membrane against their concentration gradient — that is, from an area of lower concentration to higher concentration. axial filament specialized structure found in certain bacteria called spirochetes .allows spirochet...
FirstClass5
Examen
BIOL 2420 Study Guide: The Cell QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
What are the main differences between prokaryotes and eukaryotes? Prokaryotes are single-celled organisms without a nucleus or membrane-bound organelles, while eukaryotes have a nucleus and membrane-bound organelles. What two taxa (domains) are prokaryotes divided into? Bacteria and Archaea. How are bacteria classified into two groups? Prokaryotes are divided into Bacteria are divided based on their cell wall composition and staining properties. What are the basic...
FirstClass5
Examen
BIOL 2420 Study Guide QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
Structural Hierarchy of the Body organism Smallest unit of life Cell Chemical, organelle, cell, tissue, organ, organ system, Most common body organization represents how many people? What does the palmaris longus muscle demonstrate? 70% Vestigial structures Four criteria for defining a cell Gathers materials from environment Can reproduce/divide Contains heritable code Plasma membrane Bound by a phospholipid bilayer A selectively-permeable ph...
FirstClass5
Examen
BIOL 2420 Renal Phys EXAM QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
What is the structure (organ) that carries urine from the kidneys to the urinary bladder? ureters What are ten (10) functions performed by the kidneys? water balance, regulation of electrolytes, maintaining volume of blood plasma, regulate pH, maintain osmolarity, excrete toxic by-products, excrete toxins, secrete EPO, secrete renin, convert vitamin D What does the hormone erythropoeitin (EPO) do? cells What type of molecule is RENIN? What does it do? into angiotens...
FirstClass5