ASU BIO 181 Exam 1 Questions and Answers Already Passed

ASU BIO 181 Exam 1 Questions and Answers Already Passed A single celled Eukaryotic organism: Has a limited number of biomolecular machines Must find food, shelter, a mate, and reproduce Must escape from predators Actin Filaments are present in: The cell's cortex After a cell is pancake-shaped in a dish, what is the order of events in which a cell walks? Filapodia, lamellipodia, cell muscle, retraction fiber. An important checkpoint regulator is at the Gap 2/M-phase transition. Here, Cyclin B and cdkl1 activate and form MPF which becomes a _____ _____ and causes DNA to condense into _____. Histone Kinase Chromosomes Compared to bacteria, which of the cell types are not responsible for finding food? Lymphocyte Macrophage Fibroblast Comparing a single-celled Eukaryotic organism with a multi-cellular organism such as yourself, what is the major difference: Division of labor. Cytokinesis in plant and animal cells takes two forms: Animal: Contractile Ring Formation Plant: Phragmoplast Formation For a cell to respond to a ligand released from a cell and uses the circulatory system to get to the responding cell, it is called _____ communication: Endocrine. For a cell to respond to a ligand released from a neighboring cell where the ligand diffuses directly from one cell to another is called _____ communication: Paracrine. How does a protein enter the ER as a part of the ER's lumen or part of the ER's membrane? A ribosome binds to the mRNA and a short stretch of protein is synthesized that contains a signal sequence. If something is soluble in water, a hydration forms around it and it is termed: Hydrophilic. In cell biology, what can limit the progress of science? Technology. In order to examine cells that are smaller than can be detected by the human eye, what needs to be used? Technology. Is a cancer cell anchorage independent and immortal, or is it anchorage dependent and mortal? Do they exhibit contact inhibition? They are anchorage