BIOL 3150

BIOL 3150 LAB PRACTICAL 1 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED LATEST UPDATE ways to avoid contamination - clean work surfaces, cleaning workstation and washing hands before and after experiments - proper aseptic technique applied (flaming loop after each bacterial sample, heating lip of each tube before/after opening tube, etc) - avoid touching the lip of a tube with a loop which contains a bacterial sample why agitate a broth culture before obtaining a sample to en...

BIOL 3150 TEST 3 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED What determines intelligence? Number of active synapses in the wiring - NOT size Rostral towards the nose Caudal towards the tail Insula line between temporal lobe and frontal lobe Gyrus with Sulcus The elevations in combination with the valleys increases surface area, which allows more neurons and synapses which allows greater intelligence Embryonic Development of the Brain begins rostral end of neural tube...

BIOL3150 - MIDTERM#2 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED what is a protein domain any segment of a polypeptide chain that can fold independently into a compact, stable structure why are most dna binding proteins specific to certain chemical groups within DNA to catalyze a specific reaction on the DNA such as transcription or termination by blocking transcription biological information flows from DNA to RNA to Protein gene expression process of gene transcription i...

BIOL 3150 - FINAL EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED Organism may be able to pump out the drug or stop it from being transported into the cell. e.g., Efflux pumps or changes to porins. 1 type of major mechanism of antibiotic resistance: Organism may be able to use alternate pathways (e.g., for obtaining folic acid) 1 type of major mechanism of antibiotic resistance: Eg. Folic acid synthesis. •BActeria can make their own folic acid.. •Normally pteredine binds to...

BIOL 3150 CHAPTER 4 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED Gastrulation formation of digestive tract, forms trilaminar embryo Trilaminar Embryo 3 germ layers (endoderm, mesoderm, ectoderm) Histology study of tissues and their relationships within organs In what 3 ways do the primary tissue types differ? structure of specialized cells, cell function, amount and contents of extracellular matrix Epithelial Tissue covers or lines every body surface and all body cavitie...

BIOL 3150 FINAL EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS When is the best time to collect a specimen for culture? At the time of a temperature evaluation. Sterile containers Containers free of any and all bacteria and microorganisms. Nonsterile containers Containers not free of any and all bacteria and microorganisms. What information is needed when labeling a specimen? At least two patient identifiers (name, birthdate, social security number, hospital ID, etc.), time and date...

BIOL 3150 CHAPTER 15 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED brain size and intelligence do not correlate; number of active synapses and how they are wired determines intelligence Men larger than female Brainstem (3 components) midbrain, pons, medulla gyrus and sulcus ridges (gyri) and grooves (sulci) of cortex which increase surface area; fissures (deep sulci) divide cerebrum into lobes both in cerebellum too rostral toward the front of brain caudal toward the ba...

BIOL 3150 CHAPTER 28 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED puberty male vs female F: 8-13 y/o M: 9-14 y/o secondary sex characteristics changes associated with maturity and puberty due to hormone changes, but are not involved in reproductive process Wolffian duct male accessory organs derive from this duct aka mesonephric Mullerian ducts precursors to female internal structures SRY gene region of y chrom that activates at 7-8 weeks androgens produced support ...

BIOL 3150 CHAPTER 19 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED Stimulus changes in external or internal environment detected by sensory receptors Sensation conscious awareness of incoming sensory information Perception consciously aware of a small fraction of stimuli we sense (thalamus filters sensory information) General Senses temperature, pain, touch, stretch (joints, tendons, muscles), pressure; external Special Senses gustation, olfaction, vision, equilibrium, au...

BIOL 3150 CHAPTER 25 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED What is the functional layer of the respiratory system? alveoli What is the main function of the respiratory system? pulmonary ventilation (breathing); inhalation (air in) and exhalation (air out) Secondary functions of the respiratory system gas conditioning (warm, filter, and humidify), sound production for communication, olfaction, defense What is the location of the main function of the respiratory system...