Biology sager butler exam Questions With Latest Solutions
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Course
Biology
Institution
Biology
What is biology? - Correct Answer The scientific study of living organisms and their vital processes
What are the characteristics of life? - Correct Answer Acquiring and burning energy (capacity to do work), Respond to stimuli (slow or fast), Organized (cell structure), Reproduction (genetic...
Biology sager butler exam Questions With Latest
Solutions
What is biology? - Correct Answer The scientific study of living organisms and their vital processes
What are the characteristics of life? - Correct Answer Acquiring and burning energy (capacity to do
work), Respond to stimuli (slow or fast), Organized (cell structure), Reproduction (genetic information
passed on), Growth and Development (changing through life), Homeostasis (ability to maintain internal
conditions), Made of cells, and Adaptation (change over time/ end product).
What are the taxonomic levels in order? - Correct Answer Domain, Kingdom, Phylum, Class, Order,
Family, Genus, Species
Remember by saying Daring King Phillip Came Over for Great Spaghetti.
What is important about the taxonomic level "Domain". What are the three domains discussed? What
belongs to each? - Correct Answer It is the point of origin for all species. Domain Archaea- small
unicellular organisms living in extreme environments. Domain Bacteria- small unicellular organisms who
lack internal organelles. Domain Eukarya can be unicellular or multicellular and have major organelles
such as a nucleus.
Which two domains contain prokaryotic organisms? What does "prokaryotic" mean, and what
characteristics do those organisms have? What is the difference between the two domains of prokaryotic
organisms? - Correct Answer The domains Bacteria and Archaea contain prokaryotic organisms.
Prokaryotes are single-celled organisms and are much smaller than eukaryotic cells, they have no
nucleus and lack organelles. The DNA of archaea has proteins while bacteria does not. They are both
very diverse, but Archaea are not pathogenic and many live in extreme environments.
What does eukaryotic mean? What are the four eukaryotic kingdoms discussed? What types of
organisms belong to each? - Correct Answer Organisms whose cells contain a nucleus and other
membrane bound organelles. The four kingdoms are Plantae-moss, flowering plants etc. Animalia-
humans and all other animals. Protista-Plants (fruits, algae etc.) and Fungi- molds, mushrooms etc.
, What is the difference between a virus and a bacterium? - Correct Answer Bacterium are single cells
that can survive on their own, inside or outside the body. Viruses are not cells, and they cause infections
by entering and multiplying inside the host's healthy cells.
What is meant by the scientific method? What are the limitations? - Correct Answer The scientific
method is the process of objectively establishing facts through tests and experiments. Limitations
include constrained by the extent of existing knowledge. A hypothesis must be testable and the
experiments and observations be repeatable.
What is the first step in any experiment? - Correct Answer Define a question or hypothesis to
investigate.
Hypothesis - Correct Answer an idea that is proposed for the sake of argument so that it can be tested
to see if it is true. Ex- "I think the antibiotic will be 100% larger than the control"
Dependent variable - Correct Answer Value DEPENDS on that of another (count, measure, observe) on
the y axis.
Independent variable - Correct Answer Variable who's variation does not depend on that of another.
What the experiment is about. (x)
Standardized variable - Correct Answer Variables that stay the same throughout the experiment.
Sample size - Correct Answer The number of units (persons, animals, patients, etc.) in a population to
be studies.
Experimental group - Correct Answer a test sample or group that receives an experimental procedure
Ex (a human experimental group can receive a new medicine)
Control Group - Correct Answer A group in the experiment which a variable is not being tested. Ex
(Study to determine the effectiveness of a new drug)
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