Asu Bio 181 Exam 1 Questions And Answers Already Passed

ASU BIO 181 EXAM 1 QUESTIONS AND ANSWERS ALREADY PASSED A cancer cell will be anchorage-dependent for growth and immortal. FALSE A cell that is anchorage-dependent for growth will also exhibit contact inhibition. TRUE A cell that is itself an organism must have a minimum of four needs presented in lecture. List these four things. Find food, find shelter, find a mate, and reproduce A normal cell is ____________and _________________for growth. Mortal Anchorage-dependant A normal cell is anchorage-dependent for growth and mortal. TRUE A single pass trans-membrane protein that is an alpha helix can make a channel. FALSE A single-celled eukaryotic organism: A. Has a limited number of biomolecular machines. B. Must find food, shelter, a mate and reproduce C. Escape from predators D. None of the above E. Answers A,B,C E. Answers A,B,C Active transport uses ATP to move components in parallel with their concentration gradient, that is: from a high concentration to a low concentration. FALSE After a cell is pancake shaped in a cell culture dish, the order of events that occurs as a cell walks is (pick the best order): A. Lamellipodia, filopodia, cell muscle, retraction fiber. B. Cell muscle, cell super-glue, retraction fiber, lamellipodia. C. Filapodia, lamellipodia, cell muscle, retraction fiber. D. Two of the above. E. None of the above. C. Filapodia, lamellipodia, cell muscle, retraction fiber. After DNA synthesis (i.e., S-phase) an identical copy of the DNA has been made and this is present in the two chromatids when viewed as the chromosome. TRUE Amino acids can be largely subdivided into two groups. What are the two groups? Hydrophilic and Hydrophobic. An important checkpoint regulator is at the Gap2/M-phase transition. Here cyclin B and Cdk1 activate and form MPF which becomes a _________ _________ (two words) and causes the DNA to condense into _________. HISTONE KINASE & CHROMOSOMES At these checkpoints, a cyclin works with a cyclin-dependent kinase (i.e., Cdk) to regulate the checkpoint. TRUE Cancer can be described as a loss of cell cycle regulation. TRUE Cholesterol is _____ to have in biological membranes.