Prob_set_1ans - Problem Set#1 Bio 1A Due week of 1 What is...

Info icon This preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Problem Set #1 Bio 1A Due week of January 28, 2008 1) What is the defining difference between Archea and Eubacteria? Archea are extremeophiles—they grow at high temperatures and harsh conditions. They have proteins that are homologous to eukaryotic protein like histones and some of their genes have introns like eukaryotic genes. 2) Which pairs of objects are different in size by more than 1000-fold: a) protein and a ribosome b) human and an animal cell c) virus and the smallest bacteria d) mitochondria and a typical bacterium e) liver cell and a liver 3) Where is DNA found in eukaryotic cells? In prokaryotic cells? Nucleus and mitochondria in eukaryotic cells; in cytoplasm in prokaryotes. 4) What is a flagellum used for? motility 5) We usually speak of bacteria as single-celled microorganisms. Can you describe a situation where it might be more appropriate to think of bacteria as being more similar to a multi-cellular microbe?
Image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern