Biota Study guides, Class notes & Summaries

BIO 242 EXAM 3 QUESTIONS AND ANSWERS Which lines of defense would be considered nonspecific? - ANSWER First line of defense Second line of defense Differentiate between components of first and second line defense - ANSWER FIRST:Physical and Chemical barriers SECOND: phagocytosis, inflammation, fever, antimicrobial proteins FLOD: lysozome - ANSWER is secreted in tears in saliva What human body region is protected by fatty acids, acidic pH, lactic a...

Most common STD correct answers Chlamydia (1.7 mil cases) Skin normal biota is coagulase-negative staph, cornybacterium, and microbacterium smegmatis correct answers males (all ages) Skin normal biota staph and corynbacterium correct answers females (prepuberty and post-menopause) Normal biota of the skin for reproductive-age females in some cases- they carry it asymptomatically correct answers GBS Normal biota of the skin for ___________ includes Enterobacteriaceae and anerobes, str...

Define ecosystem correct answer: The collective function of organisms and their environment Where were the 2 crops discussed in the video grown? correct answer: The papaya was grown in Hawaii, and the banana was grown in Uganda What are the 5 components of an ecosystem? correct answer: 1. Food chains 2. Diversity 3. Competitive exclusion 4. Plant succession 5. Nutrient cycles Define agroecosystem correct answer: Ecosystems modified to produce, food, fiber, and/or shelter Id...

BIO 242 EXAM 3 Which lines of defense would be considered nonspecific? - CORRECT ANSWER First line of defense Second line of defense Differentiate between components of first and second line defense - CORRECT ANSWER FIRST:Physical and Chemical barriers SECOND: phagocytosis, inflammation, fever, antimicrobial proteins FLOD: lysozome - CORRECT ANSWER is secreted in tears in saliva What human body region is protecte...

MICROBIOLOGY: 13TH EDITION REAL EXAM QUESTIONS COMBINED LATEST UPDATE Student name: 1) Components of the first line of defense include all of the following, except . A) the tough cell sheet of the upper epidermis of the skin B) nasal hairs C) the flushing action of tears and blinking D) the flushing action of urine E) phagocytic white blood cells Question Details Learning Outcome : 14.09 Identify the three components of the first line of defense. ASM Topic : Module 03 Metabolic P...

Edexcel A Level Geography - The carbon cycle and energy security Exam Questions With Solutions (carbon) Flux - ANS Transfer of carbon from one 'pool' to another (carbon) store - ANS An accumulation of carbon Biosphere - ANS The regions of the surface and atmosphere of the earth occupied by living organisms Photosynthesis - ANS The process by which carbon atoms in the atmosphere move into trees and plants, plants use sunlight to synthesize nutrients from CO2 and water ...

URT normal biota - ️️lots of normal biota, particularly in the mouth -viridans strep -nonhemolytic strep -anaerobes -CoNS -diphtheroids -micrococcus -candida (yeast) LRT normal biota - ️️there is no actual normal biota present -sputum is a common sample that is used, and has to pass through the mouth where it will become contaminated with normal biota -something is only considered a pathogen if it is in greater concentration than a normal biota organism respiratory tract def...

Most common STD - Answer- Chlamydia (1.7 mil cases) Skin normal biota is coagulase-negative staph, cornybacterium, and microbacterium smegmatis - Answer- males (all ages) Skin normal biota staph and corynbacterium - Answer- females (prepuberty and post-menopause) Normal biota of the skin for reproductive-age females in some cases- they carry it asymptomatically - Answer- GBS Normal biota of the skin for ___________ includes Enterobacteriaceae and anerobes, strep and staph, and LACTOB...

URT normal biota - ️️lots of normal biota, particularly in the mouth -viridans strep -nonhemolytic strep -anaerobes -CoNS -diphtheroids -micrococcus -candida (yeast) LRT normal biota - ️️there is no actual normal biota present -sputum is a common sample that is used, and has to pass through the mouth where it will become contaminated with normal biota -something is only considered a pathogen if it is in greater concentration than a normal biota organism respiratory tract def...

Upper respiratory tract -sinus, nasal cavity, pharynx, epiglottis and larynx -normal microbiota reside here Lower respiratory tract -trachea, lungs (bronchi and alveoli), parenchyma and diaphragm Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen Respiratory tract defense mechanisms -URT: has normal biota that inhibit other organisms -ciliated epithelial cells: work to push MOs or pollen up out of the thro...