69 Questions
True or false: The Universe was created 14 billion years ago?
True
True or false: The majority of chemical elements appeared immediately after the creation of the Universe?
True
True or false: As the Universe expanded and cooled, stars and planetary systems were formed?
True
True or false: Earth's position in the Solar System is optimal for exposure to the Sun's thermal energy and radiation.
True
True or false: The Earth's atmosphere and large amounts of water formed soon after the Earth's formation through complex chemical reactions.
True
True or false: The study of matter in living organisms is known as Biology.
False
True or false: All living organisms are multicellular.
False
True or false: ΔG represents the variation of enthalpy in a chemical reaction?
False
True or false: RNA has completely replaced DNA as the main storage of genetic information in living organisms?
False
True or false: A reaction with ΔG = 0 is at equilibrium?
True
True or false: ATP is a 'high-energy' molecule that can react directly with other metabolites?
True
True or false: Mutations occur randomly in both DNA and RNA?
True
True or false: Catalysts alter the standard free-energy change, DG°, of a reaction?
False
True or false: Paralogous genes are believed to have been derived through gene duplication and subsequent mutations?
True
True or false: Orthologous genes found in different species have the same functions in both organisms?
True
The functional groups of biological molecules can induce chemical interactions, chemical recognition, and biochemical function.
True
Stereoisomers are molecules with the same molecular formula but with different 3D orientation of their atoms in space.
True
Enantiomers and diastereomers have identical physical properties and react identically with achiral reagents.
False
The number of stereoisomers for a molecule with 2 chiral centers is 2^2.
False
True or false: The Earth's atmosphere and large amounts of water formed soon after the Earth's formation through complex chemical reactions?
True
True or false: Orthologous genes found in different species have the same functions in both organisms?
False
True or false: The size of cells is determined by the type of cell and the environment in which they live.
True
True or false: Catalysts alter the standard free-energy change, $\Delta G^{\circ}$, of a reaction?
False
True or false: The majority of chemical elements required for biological systems appeared immediately after the creation of the Universe.
False
True or false: Earth's position in the Solar System is optimal for exposure to the Sun's thermal energy and radiation?
True
True or false: Mutations occur randomly in both DNA and RNA.
True
True or false: The Universe was created 14 billion years ago.
True
True or false: The Universe was created 14 billion years ago?
True
True or false: RNA has completely replaced DNA as the main storage of genetic information in living organisms.
False
True or false: DNA has completely replaced RNA as the main storage of genetic information in living organisms?
False
True or false: Mutations occur randomly in both DNA and RNA?
True
True or false: Paralogous genes are believed to have been derived through gene duplication and subsequent mutations?
True
True or false: Orthologous genes found in different species have the same functions in both organisms?
True
True or false: The study of matter in living organisms is known as Biochemistry?
True
True or false: The functional groups of biological molecules can induce chemical interactions, chemical recognition, and biochemical function?
True
True or false: Stereoisomers are molecules with the same molecular formula but with different 3D orientation of their atoms in space?
True
True or false: Enantiomers and diastereomers have identical physical properties and react identically with achiral reagents?
False
True or false: The number of stereoisomers for a molecule with 2 chiral centers is 2^2?
False
True or false: Catalysts alter the standard free-energy change, $\Delta G°$, of a reaction?
False
True or false: Gibbs free energy change, ΔG, represents the variation of enthalpy in a chemical reaction?
False
True or false: ATP is a 'high-energy' molecule that can react directly with other metabolites?
True
True or false: Catalysts alter the standard free-energy change, ΔG°, of a reaction?
False
True or false: RNA has completely replaced DNA as the main storage of genetic information in living organisms?
False
True or false: Enantiomers and diastereomers have identical physical properties and react identically with achiral reagents?
False
True or false: The Universe was created approximately 14 billion years ago?
True
True or false: Atoms associated into inorganic materials and molecules as the Universe expanded and cooled?
True
True or false: Stars and planetary systems were formed as the Universe expanded and cooled?
True
True or false: The majority of the chemical elements appeared almost immediately after the creation of the Universe?
True
True or false: The organic matter appeared as the Universe expanded and cooled?
True
True or false: Chemical elements such as K+, Na+, Ca2+, Mg2+, Zn2+, Fe2+ play important roles in metabolism.
True
True or false: Carbon is hybridized sp3, sp2, and sp.
True
True or false: Geometric isomers can be interconverted without breaking bonds.
False
True or false: Enantiomers and diastereomers have different physical and chemical properties.
True
True or false: Macromolecules fold into 3D structures with unique binding pockets.
True
True or false: Earth's position in the Solar System is optimal for exposure to the Sun's thermal energy and radiation?
True
True or false: Cells of all kinds share certain structural features, including size, shape, and differences in structural and functional features between different types of cells.
True
True or false: The study of matter in living organisms is known as Biology.
True
True or false: The Earth's atmosphere and large amounts of water formed soon after the Earth's formation through complex chemical reactions.
True
True or false: Enantiomers and diastereomers have identical physical properties and react identically with achiral reagents.
False
True or false: ΔG represents the variation of enthalpy in a chemical reaction?
False
True or false: Catalysts alter the standard free-energy change, ΔG°, of a reaction?
False
True or false: Mutations occur randomly in both DNA and RNA?
True
True or false: Enantiomers and diastereomers have identical physical properties and react identically with achiral reagents?
False
True or false: RNA has completely replaced DNA as the main storage of genetic information in living organisms?
False
True or false: Complementarity of bases in DNA allows for replication with near-perfect fidelity?
True
True or false: Natural selection favors some mutations and allows for evolution?
True
True or false: Mutated polynucleotides may be transcribed and translated into proteins?
True
True or false: Homologous genes share sequence similarities and paralogous genes are derived through gene duplication?
True
True or false: Orthologous genes found in different species have the same functions?
True
Test your knowledge of chemical elements and their role in metabolism and the chemistry of life. Learn about the important roles played by K+, Na+, Ca2+, Mg2+, Zn2+, Fe2+, and carbon in metabolism and the chemistry of life.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
