Podcast
Questions and Answers
Cell and molecular biology is one of the most active areas of research in the biological sciences.
Cell and molecular biology is one of the most active areas of research in the biological sciences.
True (A)
The study of cells and molecular biology has no practical applications in medicine, biotechnology, or agriculture.
The study of cells and molecular biology has no practical applications in medicine, biotechnology, or agriculture.
False (B)
Understanding the experimental basis of cell and molecular biology is not important in this rapidly growing field of research.
Understanding the experimental basis of cell and molecular biology is not important in this rapidly growing field of research.
False (B)
The formation of organic molecules was first demonstrated experimentally in the 1950s by Stanley Miller.
The formation of organic molecules was first demonstrated experimentally in the 1950s by Stanley Miller.
Macromolecules can polymerize spontaneously under plausible prebiotic conditions.
Macromolecules can polymerize spontaneously under plausible prebiotic conditions.
Only nucleic acids are capable of directing their own self-replication.
Only nucleic acids are capable of directing their own self-replication.
RNA is believed to have been the initial genetic system in the RNA world.
RNA is believed to have been the initial genetic system in the RNA world.
True or false: All cells share common fundamental properties that have been conserved throughout evolution.
True or false: All cells share common fundamental properties that have been conserved throughout evolution.
True or false: Prokaryotic cells are generally smaller and simpler than eukaryotic cells.
True or false: Prokaryotic cells are generally smaller and simpler than eukaryotic cells.
True or false: The first cell originated approximately 750 million years after Earth was formed.
True or false: The first cell originated approximately 750 million years after Earth was formed.
True or false: The atmosphere of primitive Earth is thought to have contained free oxygen.
True or false: The atmosphere of primitive Earth is thought to have contained free oxygen.
True or false: The rough endoplasmic reticulum is covered by ribosomes?
True or false: The rough endoplasmic reticulum is covered by ribosomes?
True or false: The smooth endoplasmic reticulum is involved in the synthesis of lipids?
True or false: The smooth endoplasmic reticulum is involved in the synthesis of lipids?
True or false: Both animal and plant cells contain a nucleus and a cytoskeleton?
True or false: Both animal and plant cells contain a nucleus and a cytoskeleton?
True or false: RNA's nucleotide sequence is used to specify the order of amino acids in a protein by a process called translation.
True or false: RNA's nucleotide sequence is used to specify the order of amino acids in a protein by a process called translation.
True or false: Phospholipids are the basic components of all biological membranes.
True or false: Phospholipids are the basic components of all biological membranes.
True or false: The first cell is thought to have formed when self-replicating RNA was enclosed in a phospholipid membrane.
True or false: The first cell is thought to have formed when self-replicating RNA was enclosed in a phospholipid membrane.
True or false: RNA helps in making proteins, which is vital for life.
True or false: RNA helps in making proteins, which is vital for life.
True or false: Prokaryotic cells are generally larger and more complex than eukaryotic cells?
True or false: Prokaryotic cells are generally larger and more complex than eukaryotic cells?
True or false: Prokaryotic cells have a nucleus?
True or false: Prokaryotic cells have a nucleus?
True or false: Eukaryotic cells contain a variety of membrane-enclosed organelles?
True or false: Eukaryotic cells contain a variety of membrane-enclosed organelles?
True or false: Mitochondria are found in almost all eukaryotic cells and are responsible for generating most of the ATP derived from the breakdown of organic molecules?
True or false: Mitochondria are found in almost all eukaryotic cells and are responsible for generating most of the ATP derived from the breakdown of organic molecules?
True or false: The first energy-generating reactions in the initially anaerobic atmosphere of Earth involved the breakdown of organic molecules in the absence of oxygen?
True or false: The first energy-generating reactions in the initially anaerobic atmosphere of Earth involved the breakdown of organic molecules in the absence of oxygen?
True or false: Glycolysis is a form of anaerobic breakdown of glucose to lactic acid, with the net energy gain of two molecules of ATP?
True or false: Glycolysis is a form of anaerobic breakdown of glucose to lactic acid, with the net energy gain of two molecules of ATP?
True or false: The development of photosynthesis allowed cells to harness energy from sunlight and provided independence from the utilization of preformed organic molecules?
True or false: The development of photosynthesis allowed cells to harness energy from sunlight and provided independence from the utilization of preformed organic molecules?
True or false: The complete oxidative breakdown of glucose to CO2 and H2O yields energy equivalent to that of 36 to 38 molecules of ATP, in contrast to the 2 ATP molecules formed by anaerobic glycolysis?
True or false: The complete oxidative breakdown of glucose to CO2 and H2O yields energy equivalent to that of 36 to 38 molecules of ATP, in contrast to the 2 ATP molecules formed by anaerobic glycolysis?
