Preview

Biology Lab: Practical Exam

Satisfactory Essays
Open Document
Open Document
847 Words
Grammar
Grammar
Plagiarism
Plagiarism
Writing
Writing
Score
Score
Biology Lab: Practical Exam
AndrewGuerrero
BIO 125 Lab
Due November 14, 2012

Practical Exam

1. a. The symbionts (Paramecium) of the termite belong to the kingdom Protista b. Paramecium living in the intestines of termites breaks down the cellulose walls of wood fibers releasing proteins that are absorbed by the termites’ digestive system. Paramecium benefit by having an environment to thrive and they ingest the wood fibers for their own nutrition as well. 2. c. An important ecological effect of diatoms is that when they die they hold onto CO2 trapped inside their silicon skeleton, carrying it to the ocean floor instead of being released into the atmosphere. d. Autotrophic 3. Two characteristics that helped identify the euglena were: e. Two flagellas. f. Eyespot. 4. g. The bacteria in the picture labeled #4 is rod-shaped. h. Cyanobacteria are important producers of Nitrogen in marine environments. 5. i. Lactobacillus found in saliva produced lactic acid to cause Snyder’s medium to change color. j. The tube turned yellow after it was exposed to saliva. 6. k. Red algae have phycobilin pigments (phycoerythrin and phycocyanin) that mask the color of the chlorophylls. Brown algae have xanthophyll pigments that mask the green color of the chlorophyll. Green algae have cholorphylls a and b that give a bright green color. l. All algae have chlorophyll. 7. m. The hyphae of Rhizopus are coenocytic. n. Gametangia (hyphae fuse), plasmogomy occurs, karyogamy occurs forming Zygosporangium, sporangium form and haploid spores are released to germinate and form hyphae. 8. o. The function of gills in basidiomyctes is to produce spores. p. Basidiomycetes contain crosswalls (they are septate). 9. q. Yeast produces CO2, which makes dough rise. r. Yeast ferment alcohol in brewing. 10. s. In mosses, the leafy green structure is

You May Also Find These Documents Helpful

  • Satisfactory Essays

    Biology Lab

    • 269 Words
    • 2 Pages

    Which adjustment, course or fine, do you use when you are observing the highest power?…

    • 269 Words
    • 2 Pages
    Satisfactory Essays
  • Good Essays

    bio 101 lab report

    • 579 Words
    • 3 Pages

    The object of this experiment is to determine how changing the size of the beak of a finch will affect the population as well as the growth rate of the finch’s beak. The reason for the experiment is to evaluate evolution and how it affects the finch’s population, and how natural selection is always present in life. In this experiment I will show that the finch will continue to evolve until its beak has reached the optimal size for sustaining life, when changing the beak size to a much larger size we will see that the finch will have no need for further evolution of its beak and that its population will become much more stable and consistent throughout the years.…

    • 579 Words
    • 3 Pages
    Good Essays
  • Satisfactory Essays

    biology labs

    • 320 Words
    • 2 Pages

    3. Based on the magnification, how many of the E. Coli can fit into the same space as the head of a pin?…

    • 320 Words
    • 2 Pages
    Satisfactory Essays
  • Satisfactory Essays

    1) Produces the hormones that promote the development of the female secondary sexual characteristics at puberty.…

    • 6114 Words
    • 25 Pages
    Satisfactory Essays
  • Good Essays

    lab week 1

    • 419 Words
    • 3 Pages

    In your own words, summarize what you have learned about Configuring Static and Default Routes.…

    • 419 Words
    • 3 Pages
    Good Essays
  • Satisfactory Essays

    Lab questions

    • 297 Words
    • 2 Pages

    Appearance of penny in vinegar after 30 minutes: Pretty dark coloured. Quite hard to see…

    • 297 Words
    • 2 Pages
    Satisfactory Essays
  • Good Essays

    Lab Questions

    • 531 Words
    • 2 Pages

    How is positive parenting different from negative parenting? Which do you think is more effective? Why?…

    • 531 Words
    • 2 Pages
    Good Essays
  • Satisfactory Essays

    Lab Questions

    • 395 Words
    • 1 Page

    1. What are some of the reasons why people may not talk to babies as much today as they used to?…

    • 395 Words
    • 1 Page
    Satisfactory Essays
  • Satisfactory Essays

    Important Lab Questions

    • 361 Words
    • 2 Pages

    1.Describe some of the influence of Latin music in the US in the early part of the twentieth century. Latin music greatly influenced jazz musicians in the early part of the twentieth century then this gave birth to the Latin jazz genre modern dancing styles were also influenced by the Latin music.…

    • 361 Words
    • 2 Pages
    Satisfactory Essays
  • Satisfactory Essays

    Consider the pedigree analysis of sickle-cell disorder. Do any of the offspring or parents have sickle-cell anemia?…

    • 435 Words
    • 5 Pages
    Satisfactory Essays
  • Best Essays

    A constituent of cells and its role as both a solvent and a raw material in metabolism…

    • 2016 Words
    • 9 Pages
    Best Essays
  • Better Essays

    Biology Exam

    • 1661 Words
    • 7 Pages

    1. The classification system developed by Linnaeus in the early 1700s divided living organisms into plant and animal kingdoms. Today, that has been expanded into five kingdoms. Which of the following inventions was most responsible for creating the need for the additional three kingdoms and why? (2 points)…

    • 1661 Words
    • 7 Pages
    Better Essays
  • Powerful Essays

    bio 2 exam

    • 5801 Words
    • 27 Pages

    B) Seasonal fluctuation of temperature is not a limiting factor in biome distribution if areas have the same annual temperature and precipitation means.…

    • 5801 Words
    • 27 Pages
    Powerful Essays
  • Satisfactory Essays

    Brown algaes are all macroscopic and are the largest and grow in deeper water like the giant kelps which are…

    • 1757 Words
    • 9 Pages
    Satisfactory Essays
  • Good Essays

    Trophic Categories Etc..

    • 2589 Words
    • 11 Pages

    Parasites: organisms intimately associated with their "prey" feeding on it over time, typically without killing it. Host…

    • 2589 Words
    • 11 Pages
    Good Essays