ASU BIO 181 Exam 1. Exam Review. Rated A+. Verified.

ASU BIO 181 Exam 1. Exam Review. Rated A+. Verified. Actin Filaments are present in: - -The cell's cortex Microtubules are present in: - -The cell's interior Cytokinesis in plant and animal cells takes two forms: - -Animal: Contractile Ring Formation Plant: Phragmoplast Formation 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 The _____ begins to be destroyed at the Metaphase of the cell cycle causing the chromosomes to begin to _____. - -Cyclin B1 Decondense The activation of both MPF and MAPK result in _____ _____ of the cytoplasm during M-phase. - -Settling down MAPK has two different functions depending on where this Kinase acts in the _____ _____. If the Kinase becomes active during interphase, the cell is triggered to progress through the _____ _____. - -Cell cycle Cell cycle Two types of second messengers discussed in lecture can exist downstream of a plasma membrane receptor. These are _____ and _____. - -Cyclic AMP MAP Kinase There are two basic forms of cytoplasmic signaling (i.e signal transduction). One uses _____ and the other uses _____. - -Protein Kinases Calcium Signal What is the difference between a single-pass transmembrane protein and a 7-pass transmembrane protein? - -A single pass TMP is a singular protein that passes once through the bilayer. A 7-pass protein passes through the bilayer 7 times, creating a channel for ions to pass through. A single pass TMP cannot create an ion channel. Is a cancer cell anchorage independent and immortal, or is it anchorage dependent and mortal? Do they exhibit contact inhibition? - -They are anchorage independent and immortal, and they do not exhibit contact inhibition, because they continue to grow despite their surroundings. If something is soluble in water, a hydration forms around it and it is termed: - -Hydrophilic. What limits the paramecium from acquiring more complex functions? - -The paramecium cannot fit any more biomachinery into its space. What limits an individual cell from becoming more complex? - -Division of labor. T/F: In your own multicellular body, different cells have a division of labor between them: - -True. T/F: A normal cell is anchorage-dependent for growth and mortal: - -True. Comparing a single-celled Eukaryotic organism with a multi-cellular organism such as yourself, what is the major difference: - -Division of labor. T/F: In your own multicellular body, cells with different functions have different DNA: - -False.