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Test One BIOL 1105 LIPSCOMB with 100- correct answers(graded A+)
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Test One BIOL 1105 LIPSCOMB with 100- correct answers(graded A+)
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Test One: BIOL 1105LIPSCOMB with 100% correct
answers(graded A+)
What are the 7 characteristics of life? - answer 1. Consists of cells
2. Complex and ordered
3. Respond to environmental stimuli
4. Can grow, develop, and reproduce
5. Able to utilize energy
6. Maintain homeostasis
7. Adapt to the environment
What is the most basic unit of life? - answer The cell
What is deductive reasoning - answer Uses general principles to
make specific predictions
What is inductive reasoning - answer Uses specific observations to
make general conclusions
What is the cell theory? - answer The cell theory states that every
living thing is composed of one or more cells. The cell is considered
the basic unit of all living things
What three ideas contribute to Life's diversity? - answer 1.
Molecular Basis of Inheritance:DNA allows for information to be
passed into offspring
,2. Molecular Structure and Function: all macromolecules rely on
proper structure in order to function
3. Evolutionary adaption: selection of traits that allow adaption to
result in new species.
What are the three domains of life? - answer Bacteria, Archaea,
and Eukaryota (us)
What happens to an electron's energy level as it moves closer to the
nucleus? - answer Energy is released
What happens to an electron's energy level as it moves farther from
the nucleus? - answer Energy is absorbed
What is an Acid? - answer Acids give up a proton which lowers pH.
1-6 on the pH scale.
What is Adhesion? - answer Water attracted to another surface
(capillary action)
What is Amphipathic? - answer A molecule that possesses both
hydrophobic and hydrophilic elements, such as are found in
detergents, or phospholipids of biological membranes.
What is heat of vaporization? - answer Makes water difficult to boil,
to vaporize. Helps to maintain temperature through sweating.
What is evaporative cooling? - answer An important temperature
regulating mechanism in humans.
What is a base? - answer Bases receive a proton, which raises pH.
8-14 on the pH scale.
, What is a bohr model? - answer A relatively simple view of atomic
structure and composition. Circle surrounded by rings.
What is a covalent bond? - answer atoms and nonpolar molecules
share electrons. Strongest bond.
What is cohesion? - answer water attracted to water (bug walking
on water)
What is the type of bond most common involving carbon? - answer
nonpolar covalent
What is a hydrogen bond? - answer sharing of electrons between
two polar molecules. Weakest.
Many of water's unique properties are due to: - answer hydrogen
bonding between water molecules.
Which of the following accurately describes pH?
A. The higher the pH, the lower the hydrogen ion concentration and
the more acidic the substance
B. The lower the pH, the lower the hydrogen concentration and the
more acidic the substance
C. None of these correctly describes pH
D. The higher the pH, the higher the hydrogen ion concentration
and the more basic the substance
E. The lower the pH, the higher the hydrogen concentration and the
more acidic the substance - answer E. The lower the pH, the higher
the hydrogen concentration and the more acidic the substance.
Phospholipids are considered amphiphilic molecules because they
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