Bio 211 - Guides d'étude, Notes de cours & Résumés

3 basic shapes of prokaryotes - Spherical coccus, Rod-shaped bacillus, Spiral spirillum (if rigid) or spirochete (if flexible). 3 domains and give an example of each - Domain Archaea- Euryarchaeota Domain Bacteria- Thermus Domain Eukarya- Animal 4 classes of biomolecules and examples - -Carbohydrates(glucose, sugars) -Lipids(oils,fats) -Proteins(protein z) -Nucleic Acids(cytosine, guanine, thymine, uracil, and adenine)(DNA) 8 levels of classification - Domain, Kingdom, Phylum, Class, o...

BIO 211 Exam #1 Questions with complete solutions

Scientific theories are just "ideas" (T/F) Answer> false What is NOT considered a quality within the definition of life? Living things evolve Living things can grow and develop Living things are sentient Living things use energy Answer> Living things are sentient In some cases an observational study is more appropriate than an experiment. (T/F) Answer> True The oldest fossils humans have discovered are from organisms called________. Answer> stromatolites Extant mea...

Systematics Correct Answer-the study of biological diversity and its origins Taxonomy Correct Answer-the branch of bio that deals with the classification and naming of organisms Taxon Correct Answer-any single named group of organisms plural=taxa Phylogeny Correct Answer-the evolutionary history of a species or a taxonomic group of organisms Linnean System Correct Answer-German biologist named Karl Linnaeus devised in 1735 a convention for naming a species that remains in use today ...

Fungi can be parasites true or false? - True Can fungi cause illness to plants as well as animals? - Yes; dutch elm disease, bats What is a medically important thing that fungus made? (HINT: think antibiotics) - Penicillin What does fungi help make in food production? - A. mushrooms B. Yeast is essential for producing bread, wine, beer (production of CO2 and alcohol by anaerobic respiration/fermentation) Which statements accurately describes mycorrhizal fungi? A.) Mycorrhizal fungi are al...

Bio 211 Lab Practical 2 Exam Verified Answers

Pathway of blood as it flows through spleen Splenic artery Central artery Sinusoids Venules Splenic vein desmosomes vs. gap junctions Desmosomes mechanically join cells Gap junctions electrically join cells Bicarbonate formula CO2 + H2O <-> H2CO3 <-> H+ + HCO3- End Systolic Volume (ESV) Amount of blood remaining in each ventricle at the end of systole (contraction). ESV= EDV-SV Spread of Action Potential in Heart SA Node AV Node AV Bundle Bundle Branches Purkinje Fibers initiate...

3 types of neurons in the neural layer of the retina - photoreceptors, bipolar cells, and ganglion cells Abnormal ECG examples - arythmia, Afib, Vfib, bradycardia, and tachycardia accommodation - change in the shape of the eye Agglutination - clumping of blood; happens when antigen and antibody react if not matched Albumins - Transport fatty acids and steroids, help regulate osmotic pressure of the blood. Anemia - A condition in which the blood is deficient in red blood cells, in hemoglobi...

In Pasteur's swan-neck flask experiment, the importance of the S-shaped curves in the flasks was twofold. The curves allowed entry of air but excluded: A. heat B. nutrients C. airborne bacteria D. viruses E. oxygen C. airborne bacteria Pasteurization was first developed to kill __________ in wine. A. spoilage bacteria B. antibiotic-producing bacteria C. all bacteria D. disease-causing bacteria E. probiotic bacteria A. spoilage bacteria All living organisms can be classified into three domai...

"Biologists practice evidence-based decision making." This statement means that: Biologists start by stating a hypothesis and a null hypothesis, without making prior observations because that might lead to bias. Biologists select between a hypothesis and a null hypothesis based on careful thought without data Biologists select between a hypothesis and a null hypothesis based on experiemental or observational data Only careful experimentation allows biologists to select between a hypothes...