BIO 171 Study guides, Class notes & Summaries

Final Exam - Requires Respondus LockDown Browser + Webcam Due No due date Points 120 Questions 30 Time Limit 90 Minutes Requires Respondus LockDown Browser Instructions The Final Exam is compos ed of questions based upon material presented in the entire course. It will assess your level of mastery of the course content and goals. The format of the exam is similar to past module exams. You are about to begin a timed exam. Please make sure you are in a suitable, quiet place, free from distraction....

Course Objectives: Cultivation of samples: growth conditions and equipment used Identification of samples: biochemical assays & tests available Evaluation of samples: microscopy- visualization and key characteristics of specimens Basic Equipment: Cleaning: Autoclave 125°C- uses heat, pressure, & steam to sterilize; autoclave will take minutes to sterilize & hot dry air which will take hours; before opening make sure it is depressurized and will have very hot air. Growing (bacteria/patho...

Biodiversity ANSWER: Variety of life in the particular habitat or ecosystem Species is diverse when it contains many different kinds of organisms Disturbance ANSWER: Severe physical impacts on a habitat, such as those caused by storms, earthquakes, or road building. AFFECT POPULATIONS REGARDLESS OF THEIR DENSITIES. USUALLY UNPREDICTABLE. Evenness ANSWER: measure of relative proportion of each species Community ANSWER: set of all populations found in a given place Latitudinal Diversi...

genetic material must meet what criteria ANSWER: -information -replication -transmission -variation what happened in the late 1800s ANSWER: -biochemical basis -chromosomes carry genetic information what happened in the 1920s to 1940s ANSWER: -protein portion of chromosomes to be the genetic material explain Griffith's bacterial transformation ANSWER: -late 1920s Frederick griffith - streptococcus pneumoniae - staring that secrete capsules look smooth (fatal in mice) Deeagles - S...

What causes the QRS complex of an electrocardiogram (EKG)? ANSWER: ventricular depolarization The flow of blood that goes directly and only to the heart is known as? ANSWER: coranary system Aganulocytes ANSWER: are leukocytes that have such small granules in their cytoplasm. include both lymphocytes and moncytes. Granulocytes ANSWER: A group of leukocytes containing granules in their cytoplasm; neutrophils, eosinophils, basophils. The production of red blood cells. ANSWER: erythropo...

Nucleus ANSWER: Contains genomic Endoplasmic Reticulum ANSWER: Series of membrane-enclosed sacs and interconnected tubes Lysosomes ANSWER: contain hydrolytic enzymes for digestion Chloroplasts ANSWER: Site of photosynthesis Briefly explain how a Scanning Electron Microscope ( SEM ) forms an image of subcellular organelles , substrates , and viral particles . ANSWER: An image is formed from the interactions of electrons as they reflect off ( not through ) the surface of the specimen ...

Bio 171 Exam 1 Questions with Complete Solutions. archaea Answer- like bacteria. Are able to live in extreme environment bacteria Answer- microorganisms that are the basis of fermentation & infectious diseases. Typically one-celled, have no chlorophyll, multiply by simple division, & can be seen only with a microscope. They occur in 3 main forms: spherical, rod-shaped, & spiral eukaryote Answer- an organism that uses aerobic cellular respiration to break down compounds including oxygen in...

Bio 171 Exam 1 Questions with Complete Solutions. archaea Answer- like bacteria. Are able to live in extreme environment bacteria Answer- microorganisms that are the basis of fermentation & infectious diseases. Typically one-celled, have no chlorophyll, multiply by simple division, & can be seen only with a microscope. They occur in 3 main forms: spherical, rod-shaped, & spiral eukaryote Answer- an organism that uses aerobic cellular respiration to break down compounds including oxygen in...

Bio 171 Exam 1 Questions with Complete Solutions. archaea Answer- like bacteria. Are able to live in extreme environment bacteria Answer- microorganisms that are the basis of fermentation & infectious diseases. Typically one-celled, have no chlorophyll, multiply by simple division, & can be seen only with a microscope. They occur in 3 main forms: spherical, rod-shaped, & spiral eukaryote Answer- an organism that uses aerobic cellular respiration to break down compounds including oxygen in...

Biology 171 Exam 1 Test Questions With 100% Correct Answers | Verified

BIO 171 final exam questions with complete solutions