ASU Bio 181 (ASUBIO181)

Excitatory synapses make the post-synaptic cell less likely to fire. - Correct Ans-False The neural tissues are: - Correct Ans-Spinal cord, sensory neurons, and brain How do the glial cells (i.e., myelin sheath) speed up the firing of neurons? - Correct Ans-The cell wraps extensions of a fatty insulating substance (myelin) around the axons of neurons. The action potential is: - Correct Ans-A result of the movement of ions. Receptors are made from membrane-bound polyribosomes. - Corre...

NCSU Biology 181 Final Exam Questions and answers, 100% Accurate, rated A+

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Actin Filaments are present in: - Answer-The cell's cortex Microtubules are present in: - Answer-The cell's interior Cytokinesis in plant and animal cells takes two forms: - Answer-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 _____. - Answer-Histone Kinase Chromosomes The _____ begins t...

Comparing a single-celled eukaryotic organism with a multicellular organism such as yourself identify the major difference from the list below. A. Escape from predator B. Finding a mate C. Division of Labor D. Find it's own food E. Nucleus - Answer-C. Division of labor The paramecium swims by way of using a flagella. - Answer-FALSE The contractile vacuole of the paramecium is possibly an evolutionary precursor of the kidney. - Answer-TRUE The paramecium discussed in class containe...

The association of ribosomes with _____ invaginations would support the _____ theory. - Answer-membrane, endomembrane After a cell is pancake shaped in a cell culture dish, the order of events that occurs as a cell walks is? - Answer-filapodia, lamellipodia, cell muscle, retraction fiber T/F It is presumed that the peroxisomes evolved in these primitive, proto-eukaryotes to remove oxygen, which was toxic to the primitive cells. - Answer-true T/F In an extant prokaryotic cell the outer b...

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