Exam 8: Biodiversity 1: Microscopic Organisms

What might be the advantage to an ancestral cell if it maintained a photosynthetic bacterium within its cytoplasm rather than digest it?

Which protist group includes members with plantlike traits such as chloroplasts and multicellularity?

What do scientists believe was the original genetic material able to copy itself without assistance?

Bacteria that have a spherical shape are called ________.

What does the term biogenesis mean?

Where do you expect to find thermophiles?

All protists are unicellular organisms.

How does azidothymidine (AZT) fight AIDS?

The practice of using bacteria to remove pollutants from the environment is called ________.

Approximately when did the earth's crust solidify?

If you look at unknown cells under a microscope, what could lead you to correctly conclude that they are prokaryotic cells?

What do the following groups of organisms have in common? methanogens, halophiles, thermophiles

What is the endomembrane system?

Which was first on the planet, prokaryotes or eukaryotes?

What are the steps toward multicellularity, in the correct order?

Which organisms are called extremophiles and flourish mostly in extreme conditions?

The misshapen version of a protein that causes properly folded proteins to misfold is called a ________.

Bacteria reproduce asexually via binary fission.This process generates ________.

Where would you find the double-stranded HIV DNA in an infected cell?

Describe all the possible forms of nucleic acids found in viruses.