Bio Exam #2


Which of the following is radially symmetrical?


Cnideria and adult echinodermata


The animal phylum with the most species is:


Chordata


A key evolutionary development in phylum Nematoda was


Having a separate anus and mouth


On of the key elements of cell theory is:


Some prokaryotic cells are "anaerobic" referring to their


ability to live without oxygen


small cells tend to have


increased membrane surface are


The process of making protein is:


Specialized, membrane bound structures within cells are known as


vacuoles


the endoplasmic reticulum is


every cell has the following three components:


cell membrane, cytoplasm, genetic material


one of the functions of a vacuole in a plant cell is to


stretch from water pressure so that plants can grow


the universal form of energy in all living cells is


ATP


Moving hydrogen ions from one side of a membrane to the other


proton pump


the lifespan of a lipid bilayer in the membrane is generally


hours


The "Endosymbiosis hypothesis" proposes that


mutualistic relationship between different organisms and capable of independent reproduction


The overall function of mitochondria is to


Which of the following are examples of kinetic energy?


Wind, flowing stream, electricity, heat


The first law of thermodynamics tells us that


whatever energy you put into a system is energy you will get out


As "energy organelles" plant cells have


The first organisms on Earth occurred about ____ years ago


3.8 billion


Autotrophic organisms get their energy from


photosynthesis


the early atmosphere of the Earth had


hydrogen, ammonia, methane, water vapors, but NO oxygen


"Family" is a level in the Linnaean classification hierarchy between


order and genus


when tectonic plates tipped, they influenced evolution by


The multicellular kingdoms differ in their:


Scientific names are used instead of common names because


universal and more efficient


Linnaeus named a plant "Siegesbeckia" in order to


spite the guy that the plant is named after


In which kingdom do we classify viruses?


none


Viruses are composed of _____ & ______?


capsid, genetic material


_________ are viruses that attack bacteria


bacteriophage


HIV infection attacks the:


T4 lymphocytes (immune system cells); basically attacks the whole immune system


Which of the following is true of viruses outside the host cell?


Which of the following human diseases is not caused by viruses?


HIV stands for:


Human Immunodeficiency Virus


The Spanish Flu:


A problem associated with the development of a vaccine against the Bird Flu virus:


In the movie, what epidemic did Dr. John Snow prevent in 1854 in London?


The bird flu is caused by what strain of virus?


Why were young children the first casualties of the Bird Flu in Thailand?


Where did the Bird Flu come from?


What percentage of the people who catch the Bird Flue die from it?


Which of the following might be effective in preventing the Bird Flu from becoming a pandemic?


New DNA data will probably be most important in showing evolutionary relationships in kingdom:


The two kingdoms that are most different are:


Azolla and its associated cyanobacterium are:


An example of why the two kingdom system of classification was not workable is


The reason the Kingdom Protista is difficult to characterize is:


Members of Phylum Sarcomastigophora feed by:


Characteristics of Phylum Myxomycota include: