Podcast
Questions and Answers
What is the term used to describe nondividing cells that may be stuck in G1 forever?
What is the term used to describe nondividing cells that may be stuck in G1 forever?
- Interphase
- M phase
- G zero (correct)
- MPF
When were cell cycle control molecules first hypothesized?
When were cell cycle control molecules first hypothesized?
- 1970s (correct)
- 1990s
- 1980s
- 1960s
What is the function of the Protein Kinase in MPF?
What is the function of the Protein Kinase in MPF?
- Transfer of a phosphate group (correct)
- Inducing interphase in cells
- Replicating chromosomes
- Activating cyclin
Which subunit of MPF has different concentrations found throughout the cell?
Which subunit of MPF has different concentrations found throughout the cell?
What happens when Kinase is bound to cyclin?
What happens when Kinase is bound to cyclin?
In the experiment where two cells during different stages of mitosis were fused, what did the cell undergoing interphase immediately start doing?
In the experiment where two cells during different stages of mitosis were fused, what did the cell undergoing interphase immediately start doing?
What is a gene responsible for?
What is a gene responsible for?
During which phase does DNA replication occur?
During which phase does DNA replication occur?
What characterizes the structure of chromosomes during the M Phase?
What characterizes the structure of chromosomes during the M Phase?
What are sister chromatids?
What are sister chromatids?
Which phase allows cells to grow and replicate organelles?
Which phase allows cells to grow and replicate organelles?
What is the function of histones in a chromosome?
What is the function of histones in a chromosome?
What is the function of flagella in cells?
What is the function of flagella in cells?
Which organelle holds magnetite crystals as a compass?
Which organelle holds magnetite crystals as a compass?
What is the function of fimbriae in cells?
What is the function of fimbriae in cells?
What is the main difference in terms of size between eukaryotic and prokaryotic cells?
What is the main difference in terms of size between eukaryotic and prokaryotic cells?
Which structure in a cell separates life from nonlife?
Which structure in a cell separates life from nonlife?
What is the function of the cytosol in eukaryotic cells?
What is the function of the cytosol in eukaryotic cells?
What is the purpose of the 'pulse' step in the endomembrane pulse-chase experiment?
What is the purpose of the 'pulse' step in the endomembrane pulse-chase experiment?
What happens during the 'chase' step of the endomembrane pulse-chase experiment?
What happens during the 'chase' step of the endomembrane pulse-chase experiment?
Where is the ER signal sequence typically located in a protein's structure?
Where is the ER signal sequence typically located in a protein's structure?
What is the role of the ER signal sequence in protein synthesis?
What is the role of the ER signal sequence in protein synthesis?
What serves a similar role to the nuclear localization signal in proteins bound for the endomembrane system?
What serves a similar role to the nuclear localization signal in proteins bound for the endomembrane system?
Which organelle is responsible for receiving proteins from the rough ER in distinctive vesicles?
Which organelle is responsible for receiving proteins from the rough ER in distinctive vesicles?
Which type of cells are held together by gap junctions?
Which type of cells are held together by gap junctions?
What is the function of plasmodesmata in plant cells?
What is the function of plasmodesmata in plant cells?
Which proteins are attachment molecules of desmosomes?
Which proteins are attachment molecules of desmosomes?
What is the main function of hormones in the body?
What is the main function of hormones in the body?
What do G-Proteins do when activated by a signal receptor?
What do G-Proteins do when activated by a signal receptor?
Enzyme-linked receptors are transmembrane proteins that:
Enzyme-linked receptors are transmembrane proteins that:
What is the main function of quorum sensing in unicellular communication?
What is the main function of quorum sensing in unicellular communication?
Why is cell replication essential for life to exist?
Why is cell replication essential for life to exist?
What is the main function of desmosomes in animal cells?
What is the main function of desmosomes in animal cells?
How do Tight Junctions behave in terms of their watertight seal?
How do Tight Junctions behave in terms of their watertight seal?