BIO 201 Exam 1 (Frampton, UNCW)
Questions & Answers With Complete
Solutions Graded A+
QUESTIONS AND ANSWERS
Biology. ANSWER -the scientific study of life
Levels of Organization. ANSWER -atoms, molecules and macromolecules, cells,
tissues, organs, organisms, population, community, ecosystem, biosphere
Key Features of Life. ANSWER -cells and organization, energy and metabolism,
response to environmental changes, regulation and homeostasis, grown and
developments, reproduction, biological evolution
All Cells. ANSWER -enclosed by a membrane and use DNA
Eukaryotic Cell. ANSWER -has membrane-enclosed organelles
- plants, animals, fungi
Prokaryotic Cell. ANSWER -simpler and smaller, does not contain a nucleus or other
membrane-enclosed organelles
Negative Feedback. ANSWER -as more product accumulates, the process that creates
it slows and less of the product is created
,Positive Feedback. ANSWER -as more of a product accumulates, the process that
creates it speeds up and more of the product is produced
Two Main Types of Scientific Inquiry. ANSWER -discovery science, hypothesis-
based science
Discovery Science. ANSWER -describes natural structures and processes, based on
observation and the analysis of data
Hypothesis. ANSWER -a tentative answer to a well-framed question
A Theory Is. ANSWER -broader in scope than a hypothesis, general and can lead to
new testable hypotheses, supported by a large body of evidence in comparison to a
hypothesis
Matter. ANSWER -consists of chemical elements in pure form and in combinations
called compounds
- anything that takes up space and has mass
Element. ANSWER -substance that cannot be brown down to there substances by
chemical reactions
Compound. ANSWER -substance consisting of two or more elements in a fixed ratio
- has characteristics different from those of its elements
, Essential Elements. ANSWER -carbon, hydrogen, oxygen, and nitrogen
- 95% of matter
calcium, phosphorus, potassium, and sulfur
-4%
remaining amount are trace elements
Atom. ANSWER -the smallest unit of matter that still retains the properties of an
element
- each element consists of unique atoms
Neutron. ANSWER -no electric charge
Proton. ANSWER -positively charged particle
- determines the elements atomic number
Electron. ANSWER -negatively charged particle
Mass Number. ANSWER -sum of the protons plus neutrons in the nucleus
Isotopes. ANSWER -two atoms of an element that differ in number of neutrons
Questions & Answers With Complete
Solutions Graded A+
QUESTIONS AND ANSWERS
Biology. ANSWER -the scientific study of life
Levels of Organization. ANSWER -atoms, molecules and macromolecules, cells,
tissues, organs, organisms, population, community, ecosystem, biosphere
Key Features of Life. ANSWER -cells and organization, energy and metabolism,
response to environmental changes, regulation and homeostasis, grown and
developments, reproduction, biological evolution
All Cells. ANSWER -enclosed by a membrane and use DNA
Eukaryotic Cell. ANSWER -has membrane-enclosed organelles
- plants, animals, fungi
Prokaryotic Cell. ANSWER -simpler and smaller, does not contain a nucleus or other
membrane-enclosed organelles
Negative Feedback. ANSWER -as more product accumulates, the process that creates
it slows and less of the product is created
,Positive Feedback. ANSWER -as more of a product accumulates, the process that
creates it speeds up and more of the product is produced
Two Main Types of Scientific Inquiry. ANSWER -discovery science, hypothesis-
based science
Discovery Science. ANSWER -describes natural structures and processes, based on
observation and the analysis of data
Hypothesis. ANSWER -a tentative answer to a well-framed question
A Theory Is. ANSWER -broader in scope than a hypothesis, general and can lead to
new testable hypotheses, supported by a large body of evidence in comparison to a
hypothesis
Matter. ANSWER -consists of chemical elements in pure form and in combinations
called compounds
- anything that takes up space and has mass
Element. ANSWER -substance that cannot be brown down to there substances by
chemical reactions
Compound. ANSWER -substance consisting of two or more elements in a fixed ratio
- has characteristics different from those of its elements
, Essential Elements. ANSWER -carbon, hydrogen, oxygen, and nitrogen
- 95% of matter
calcium, phosphorus, potassium, and sulfur
-4%
remaining amount are trace elements
Atom. ANSWER -the smallest unit of matter that still retains the properties of an
element
- each element consists of unique atoms
Neutron. ANSWER -no electric charge
Proton. ANSWER -positively charged particle
- determines the elements atomic number
Electron. ANSWER -negatively charged particle
Mass Number. ANSWER -sum of the protons plus neutrons in the nucleus
Isotopes. ANSWER -two atoms of an element that differ in number of neutrons
