BIO 181

BIO 181 - Chapter 1 and 2Describe the three components of 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 division Identify the basic features of cells - correct answer Plasma membrane, cytoplasm, nucleoid, ribosomes, cell wall, glycocalyx, pili, flagella Explain how the surface area to volume ratio changes as cells change in size and explain the benefits ...

Bio 181 - Evolution Origin of Species - correct answer Descent with modification, natural selection, evolutionary adaptation, and evolution are the key components of this work by Charles Darwin. Descent with modification - correct answer Organisms related through descent from an ancestor. Natural selection - correct answer A population can change over time if individuals that possess certain traits leave more offspring than others. It is considered non-random because it deals with whateve...

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...