North Carolina State University
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BIO 181 - Exam 2 ReviewMad cow disease and kuru are both caused by which biological agent? - correct answer Prion 
 
The pair awarded the Novel Prize for discovering the structure of DNA - correct answer Watson and Crick 
 
DNA is important for... - correct answer storing and transmitting genetic information 
 
Replication is the process of... - correct answer DNA copying itself 
 
If the guanine content of DNA from the bacterial cells is 40% what is the cytosine content? - correct answer 40% 
 ...
BIO 181 - Unit 3 ExamBoth ATP and NADPH are required for - correct answer the Calvin cycle only 
 
If you wanted to install lights to grow plants indoors, the type of light would you want to use is - correct answer visible light, because it has low energy wavelengths 
 
During glycosis, glucose is broken down into - correct answer pyruvate 
 
The ultimate source of energy for reactions in a plant is - correct answer the sun 
 
NADPH is produced by - correct answer light reactions alone 
 
The pr...
Bio 181 (Module 4: Self Check)The actin filament system extends outside of the cell. - correct answer False 
 
Consider the geography of cells. Actin filaments are present in the cell's ___ and the microtubules are present in the cell's . - correct answer cell cortex - cell interior 
 
Chromosomes are made out of Euchromatin. - correct answer True 
 
To get into the nucleus a component has to have the correct signal sequence and pass through a nuclear pore. - correct answer True 
 
The actin f...
Bio 181 (Module 6: Self Check)Many chemotherapies drugs act by arresting the cell in M-phase of the cell cycle. - correct answer True 
 
The activation of both MPF and MAPK result in _________ _________ (two words) of the cytoplasm during M-phase. - correct answer Settling down 
 
Cytoplasmic signal transduction controls the checkpoints of the cell cycle. - correct answer True 
 
An important checkpoint regulator is at the Gap2/M-phase transition. Here cyclin B and Cdk1 activate and form MPF whi...
Bio 181 ASU exam 3T or F: Potassium ions are at high concentrations inside of cells, including neurons - correct answer True 
 
The action potential is a result of: - correct answer the movement of ions 
 
The post-synaptic cell can be: - correct answer in glands, muscle cells and neurons 
 
Th resting potential of a neuron is - correct answer -60mV 
 
T or F: The cell body refers to the part of the neurons that begin at the dendrites and extend to the axon terminal - correct answer false 
 
T o...
BIO 181 ASU Unit 5DNA as hereditary material- Griffith - correct answer Griffith worked with two strands of Streptococcus Pneumoniae. One virulent strand and 1 non virulent strand. 
 
Results of mouse test - correct answer Found that the benign strand + the heat killed virulent strand still killed the mouse. Griffith found that heat-killed virulent S. pneumonia cells could transform a nonvirulent rough strain into a smooth virulent strain. He called this transformation 
 
Is protein, DNA, or RNA...
BIO 181 Cellsprebiotic soup - correct answer The medium formed by the slow accumulation of organic molecules in the early oceans over a long period of time prior to the existence of life. 
 
cell biology - correct answer the study of individual cells and their interactions with each other. 
 
3 parts of the Cell Theory - correct answer 1. All living organisms are composed of one or more cells. 
2. Cells are the smallest units of life. 
3. New cells come only from pre-existing cells by cell divis...
BIO 181 Chapter 1dependent variable - correct answer A variable whose value is measured during an experiment or other test to see whether it is influenced by changes in another variable (the independent variable). Y-AXIS 
 
independent variable - correct answer A variable whose value is manipulated or changed during an experiment or other test to reveal possible effects on another variable (the dependent variable). X-AXIS 
 
adaptation - correct answer Inherited characteristic of an organism tha...
Bio 181: Chapter 3List Biological Molecules - correct answer Proteins , Nucleic Acids , Carbohydrates , Lipids and fats 
 
Macromolecules - correct answer large molecules composed of repeated subunit 
 
Protein Macromolecules - correct answer Amino Acids 
 
Nucleic Acids Macromolecules - correct answer Nucleotides 
 
Carbohydrates Macromolecules - correct answer monosaccharides 
 
water is a ______ - correct answer polar molecule 
 
Polar Molecules - correct answer Hydrophilic, partal charges, c...
BIO 181 Chapter 5the fluid mosaic model - correct answer states that the membrane is a mosaic of protein molecules bobbing in a fluid bilayer of phospholipids 
 
integral proteins - correct answer penetrate the hydrophobic interior of the bilayer 
 
peripheral proteins - correct answer are loosely bound to the surface of the membrane 
 
carbohydrates on the external side of the plasma membrane - correct answer vary among species, individuals, and even cell types in an individual 
 
carbohydrates...