Bio 211 - Study guides, Class notes & Summaries

Bio 211 Lab Practical 2 Exam Verified Answers

First fossils of fungi date ______ mya 460 Which organisms are the closest relatives of fungi? Animals What 2 growth forms of fungi exist? Yeasts and mycelia Yeasts Single celled What three characteristics do fungi share? 1. Eukaryotes 2. spores to reproduce 3. heterotrophs Mycelia Multicellular, filamentous strands, absorb nutrients Components of mycelium Hyphae Septa Coenocytic Hyphae Explain why mycelia are interpreted as an an adaptation to the absorptive life style Be...

Bio 211 Exam 2 questions and answers

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...

Which virus lineage is most diverse (i.e. contains the largest number of putative species or strains)? a) Positive-sense, single-stranded RNA viruses b) Double-stranded DNA viruses c) Double-stranded RNA viruses d) Negative-sense, single-stranded RNA viruses c) Double-stranded RNA viruses Which of the following flower structures are considered female? a) Stamen b) Style c) filament d) anther e) Ovary f) Stigma g) sepal b) Style e) Ovary f) Stigma Which of the following is one of the two most...

Stimilus Answer> an event that provokes a change sensation Answer> conscious awareness of a change to stimuli receptors Answer> what detects the change from a stimulus transducers Answer> transform stimulus energy to electrical energy receptor distribution Answer> determine location: somatic receptors, visceral receptors, special senses receptor stimulus origin Answer> Where the stimulus originates: exteroceptors, interoceptors, and proprioceptors modality of st...

The most common isotope of carbon contains a nucleus with 6 protons and 6 neutrons. Suppose you have a beaker containing 6 grams of pure carbon. Approximately how many moles of carbon are present in the beaker? Eukaryotic cells move when their flagella or cilia bend. How does the bending of these structures occur? A) The Golgi apparatus transports numerous vesicles to these structures, making them bulge. B) Actin filaments are bound by the motor protein myosin. C) The motor protein dynein chan...

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 ...

Bio 211 (Anatomy) Exam 1 (form A) Questions with complete solutions

Scientific theories are just "ideas" (T/F) - 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 - Living things are sentient In some cases an observational study is more appropriate than an experiment. (T/F) - True The oldest fossils humans have discovered are from organisms called________. - stromatolites Extant means this species still lives on...