Tarleton Biology 1406 Final Exam
questions and correct answers
What are Criteria of Life? - correct answer ✔✔ An ability to:
1. Reproduce
2. Grow and develop
3. Respond to stimuli (any change in environment)
4. Process energy
5. Regulate internal environment
6. Accumulate adaptations
The 3 domains - correct answer ✔✔ archaea, eukarya, bacteria
the levels of biology - correct answer ✔✔ Biosphere, ecosystems, communities, species,
populations, organisms, organ system organ, tissues, cells, organelles, molecules and atoms
law - correct answer ✔✔ a general statement based on repeated observations that can be used
to predict future operations
theory - correct answer ✔✔ A higher-level explanation of many observations and laws,
consistent with all available evidence, and regarded as fact by the scientific community
hypothesis - correct answer ✔✔ a falsifiable explanation specific to a biological question
What is the driving force of chemical bonds and which electrons are involved? - correct answer
✔✔ electronegativity
, using valence electrons
Ionic bonds - correct answer ✔✔ involve the transfer of valence shell electrons from one atom
to another
nonpolar covalent bonds - correct answer ✔✔ equal sharing of electrons between atoms
polar covalent bonds - correct answer ✔✔ unequal sharing of electrons in a molecule
hydrogen bonds - correct answer ✔✔ Very weak bonds; occurs when a hydrogen atom in one
molecule is attracted to the electrostatic atom in another molecule
temperature properties of water - correct answer ✔✔ High specific heat capacity
High heat vaporization
Density of ice
cohesion - correct answer ✔✔ Attraction between molecules of the same substance
adhesion - correct answer ✔✔ An attraction between molecules of different substances
solvent - correct answer ✔✔ the substance that does the dissolving
solute - correct answer ✔✔ A substance that is dissolved in a solution.
solution - correct answer ✔✔ homogeneous mixture
organic molecules contain what element? - correct answer ✔✔ Carbon
questions and correct answers
What are Criteria of Life? - correct answer ✔✔ An ability to:
1. Reproduce
2. Grow and develop
3. Respond to stimuli (any change in environment)
4. Process energy
5. Regulate internal environment
6. Accumulate adaptations
The 3 domains - correct answer ✔✔ archaea, eukarya, bacteria
the levels of biology - correct answer ✔✔ Biosphere, ecosystems, communities, species,
populations, organisms, organ system organ, tissues, cells, organelles, molecules and atoms
law - correct answer ✔✔ a general statement based on repeated observations that can be used
to predict future operations
theory - correct answer ✔✔ A higher-level explanation of many observations and laws,
consistent with all available evidence, and regarded as fact by the scientific community
hypothesis - correct answer ✔✔ a falsifiable explanation specific to a biological question
What is the driving force of chemical bonds and which electrons are involved? - correct answer
✔✔ electronegativity
, using valence electrons
Ionic bonds - correct answer ✔✔ involve the transfer of valence shell electrons from one atom
to another
nonpolar covalent bonds - correct answer ✔✔ equal sharing of electrons between atoms
polar covalent bonds - correct answer ✔✔ unequal sharing of electrons in a molecule
hydrogen bonds - correct answer ✔✔ Very weak bonds; occurs when a hydrogen atom in one
molecule is attracted to the electrostatic atom in another molecule
temperature properties of water - correct answer ✔✔ High specific heat capacity
High heat vaporization
Density of ice
cohesion - correct answer ✔✔ Attraction between molecules of the same substance
adhesion - correct answer ✔✔ An attraction between molecules of different substances
solvent - correct answer ✔✔ the substance that does the dissolving
solute - correct answer ✔✔ A substance that is dissolved in a solution.
solution - correct answer ✔✔ homogeneous mixture
organic molecules contain what element? - correct answer ✔✔ Carbon
