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Which of the following is radially symmetrical?
Cnideria and adult echinodermata
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The animal phylum with the most species is:
Chordata
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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
-
-
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:
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