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Examen
BIOL 2420 QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
BIOL 2420 QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
FirstClass5
Examen
BIOL 2420 QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
Which of the following are immune barriers to entry? acidic pH cilia skin mucus ___ can trigger activation of B and T lymphocytes in the lymph nodes. Both dendritic cells and antigens How does complement kill foreign microbes? by causing them to burst In an inflammatory reaction, which of the following cells is first to act? eosinophils Which of the following substances stimulates an antiviral response by cells? interferon
FirstClass5
Examen
BIOL 2420 Practice Final Exam Review QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
BIOL 2420 Practice Final Exam Review QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
FirstClass5
Examen
BIOL 2420 Practice Final Exam Review QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
Pathogens Microorganisms Prokaryotes Hypothesis Endospores Gram stain Mitochondrion Definitive host Eukaryotic cells Naked virus Virus particles Microorganisms capable of causing disease. Life forms too small to be seen by the naked eye. Cells that lack a true nucleus. A tentative explanation based on observations. Structures that provide protection during harsh conditions. A method that depends on differences in the cel...
FirstClass5
Examen
Biol 2420 Practical #2 EXAM QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
What are the selective ingredients in a bile esculin slant? (only some organisms are able to grow in the presence of bile) What are the differential ingredients in a bile esulin slant? citrate bile salts esculin and ferric ammonium (distinguishes those organisms that are able to hydrolyze the carbohydrate esculin) What does a positive reaction look like for esculin hydrolysis? must be in >50% of the tube to be considered positive) What does a negative reaction l...
FirstClass5
Examen
BIOL 2420 Midterm 1 EXAM QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
physiology def study of the normal functioning of a living organism and its component parts, including its chemical and physical processes greek: knowledge of nature how physiology is integrative to function it's not deconstructive, you can't take it apart and expect it you can't remove the nervous system or a bunch of membranes and expect them to work correctly integration of the function across the levels of organization of the cells etc levels of cell orga...
FirstClass5
Examen
BIOL 2420 Final Review QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
Which of the following characteristics of living things is/are not found among viruses? Heredity Presence of nucleic acid Ability to evolve All of these characteristics are lacking in viruses Cellular metabolism Cellular metabolism Which of the following character characteristics is not a property of cells or living things? All of the choices are not fundamental characteristics Ability to replicate Cellular metabolism Cell boundary Respond to stimulus Cellular metabolis...
FirstClass5
Examen
BIOL 2420 Final Review QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
Microorganisms Tiny living organisms, such as bacteria, viruses, fungi, protozoa, and algae, that are usually too small to be seen with the naked eye. Prokaryotic and Eukaryotic Cells Similarities and ribosomes. Prokaryotic and Eukaryotic Cells Differences Both have a cell membrane, cytoplasm, DNA, Eukaryotic cells have a nucleus and membrane-bound organelles, while prokaryotic cells do not. Pasteur germ theory. Leeuwenhoek Koch Disproved spontan...
FirstClass5
Examen
BIOL 2420 Final Review QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
Typical size of a mammalian cell 4 main criteria all cells must meet 20 micrometers (um) Bounded by a phospholipid bilayer Gathers raw materials from environment Can reproduce Contains heritable code Reductionism Proposed by Aristotle Large systems can be better understood by studying simpler components Most of a cells phospholipid bilayers are found.... What % of membrane molecules are lipids? As intracellular organelles 98% Mitochondria obtain wh...
FirstClass5
Examen
BIOL 2420 Final QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
Acellular microbe with no nucleus virus macromolecule that assembles into bilayers process affected by microbes phospholipid oxygen cycles, global temps, human health DNA to RNA to ? proteins Where are microbes found Everywhere, body, ocean, earth's crust result of human manipulation of microbial genes thoroughly supported and well-tested hypothesis Archaea... bioremediation theory lack peptidoglycan in cell walls (unlike bacteria!...
FirstClass5
Examen
BIOL 2420 Final Exam Review Topics QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
Germ theory of disease germs. Spontaneous generation Domains of life The germ theory of disease made by Louis Pasteur made from Living organisms arise from non-living matter. Archaea, bacteria and eukarya. Atoms OIL RIG Atoms are the basic building blocks of chemistry. OXIDATION ION LOSS REDUCTION ION GAIN. Carbohydrates Lipids Building block: monosaccharide; bond: glycosidic. Building block: fatty acid; bond: ester. Proteins Nuclei...
FirstClass5
Examen
BIOL 2420 final EXAM QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
Microbiology study of bio with organisms too small for the naked eye Microbiology includes the study of virus fungi protozoa algae helminths immunology bacteria study of the immune system in disease Food, Dairy, and Aquatic Microbiology food borne diseases water safety agriculture micro food spoilage animal and plant diseases Biotechnology the use of the metabolism of living things to obtain a desired product (bread making, producti...
FirstClass5
Examen
BIOL 2420 FINAL Exam QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
BIOL 2420 FINAL Exam QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
FirstClass5
Examen
BIOL 2420 FINAL Exam QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
dessication removing water from microorganisms sporulation formation of endospores germination endospores return to vegetative state when conditions in environment are favorable anaerobic respiration splitting of a 6 C-glucose into a 2 3 C-pyruvate. does not need oxygen and has a total of 2 ATP Aerobic respiration occurs in 2 series (citric acid cycle and electron transport chain)... more ATP generated and release water and carbon dioxide as a resu
FirstClass5
Examen
BIOL 2420 FINAL Exam QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
Ribosomes associated with cells and organelles have a certain size and density, which is expressed in Svedberg units. Prokaryotes and mitochondria/chloroplasts of eukaryotes have what size ribosomes? 80S Transcription occurs in the nucleus of eukaryotic cells and in the cytoplasm of prokaryotes. False An organism with 80S and 70S ribosomes could be a? Bacterium Temperatures below that of optimal growth will cause a mesophile to: temperature Fungi, algae, viruses a...
FirstClass5
Examen
BIOL 2420 FINAL Exam QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
Acellular microbe with no nucleus virus macromolecule that assembles into bilayers process affected by microbes phospholipid oxygen cycles, global temps, human health DNA to RNA to ? proteins Where are microbes found Everywhere, body, ocean, earth's crust result of human manipulation of microbial genes thoroughly supported and well-tested hypothesis Archaea... bioremediation theory lack peptidoglycan in cell walls (unlike bacteria!...
FirstClass5
Examen
BIOL 2420 Final Exam QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
Which of the following characteristics of living things is/are not found among viruses? Heredity Presence of nucleic acid Ability to evolve All of these characteristics are lacking in viruses Cellular metabolism Cellular metabolism Which of the following character characteristics is not a property of cells or living things? All of the choices are not fundamental characteristics Ability to replicate Cellular metabolism Cell boundary Respond to stimulus Cellular metabolis...
FirstClass5
Examen
BIOL 2420 FINAL EXAM QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
BIOL 2420 FINAL EXAM QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
FirstClass5
Examen
BIOL 2420 FINAL EXAM QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
Microbiology study of bio with organisms too small for the naked eye Microbiology includes the study of virus fungi protozoa algae helminths immunology bacteria study of the immune system in disease Food, Dairy, and Aquatic Microbiology food borne diseases water safety agriculture micro food spoilage animal and plant diseases Biotechnology the use of the metabolism of living things to obtain a desired product (bread making, producti...
FirstClass5
Examen
BIOL 2420 Final Exam QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
what allows the alveoli to remain open and maintain their shape? alveolar pressure, and negative interthoracic pressure lung obstruction is diagnosed by a lower FEV1 what drives movement of oxygen into the blood? surfactant, positive partial pressure of oxygen largest influence on blood pressure what are formed elements? area of smaller blood vessels rbc, eurythrocytes, luekocytes, and platelets what is the pacemaker of the heart? the sa node the...
FirstClass5