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ASU Bio 181 Exam 1 with 100% Correct Answers 2023
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The paramecium discussed in class contained an organelle called the contractile vacuole. This is the presumed precursor of the: - Correct answer-kidney A cell that is anchorage-dependent for growth will also exhibit contact inhibition. - Correct answer-true In your own multicellular body, cells...

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  • February 4, 2023
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  • 2022/2023
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  • asu bio 181 exam 1
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  • asu bio 181 exam 1 with 100 correct answers 2023
  • the paramecium discussed in class contained an organelle called the contractile vacuole this is the presumed p

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ASU Bio 181 Exam 1 The paramecium discussed in class contained an organelle called the contractile vacuole. This is the presumed precursor of the: - Correct answer -kidney A cell that is anchorage -dependent for growth will also exhibit contact inhibition. - Correct answer -true In your own multicellular body, cells with different functions have different DNA. - Correct answer -false The contractile vacuole of the paramecium is possibly an evolutionary precursor of the kidney. - Correct answer -true The paramecium swims by way of using a flagella. - Correct answer -false In order to examine cells which are smaller than can be detected by the human senses what needs to be used? (pick the best answer). - Correct answer -tehcnology Compared to bacter ia which of the cell types below are not responsible for finding food - Correct answer -Lymphocyte Macrophage Fibroblast A cancer cell will be anchorage -dependent for growth and immortal. - Correct answer -
false A normal cell is anchorage -dependent for gro wth and mortal. - Correct answer -true A cell that is itself an organism must have a minimum of four needs presented in lecture. List these four things. - Correct answer -a cell needs to find food, shelter, reproduce, and mate In your own multicellular bod y, different cells in your body have a division of labor between them - Correct answer -true What limits the paramecium from acquiring more complex functions? - Correct answer -
bio molecular machines Write a few sentences that explain what limits an individual cell from becoming more complex. - Correct answer -It has a limited number of biomolecular machines In Cell Biology what can limit the progress of science? - Correct answer -technology A single -celled eukaryotic organism: - Correct answer -Has a limited number of biomolecular machines. Must find food, shelter, a mate and reproduce Escape from predators Comparing a single -celled eukaryotic organism with a multicellular organism such as yourself identify the major difference from the list below. - Correct answer -Division of labor We are made up of ....% water - Correct answer -50-70% Explain how the vesic les are carried from the Golgi apparatus to the plasma membrane. - Correct answer -Proteins are synthesized by ribosomes and enter the rER (rough endoplasmic reticulum) . Vesicles bud off from the rER and carry proteins to the Golgi. The Golgi modifies prot eins, and then the vesicles bud off from the Golgi and carry modified proteins to the plasma membrane. The plasma membrane gets new lipids from: - Correct answer -None of the above. The ER is contiguous with the Golgi apparatus. - Correct answer -false Explain the evolutionary origin of mitochondria. - Correct answer -It is thought that a primitive proto -eukaryote engulfed a primitive proto -prokaryote good at making ATP and this organism lived inside this larger cell and began making ATP for the cell (endos ymbiosis theory) What is the difference between a triglyceride and a phospholipid? - Correct answer -
Triglyceride has 3 fatty acids attached to a glycerol backbone and a phospholipid has two fatty acids plus a phosphate group attached to a glycerol backbon e Amino acids can be largely subdivided into two groups. What are the two groups? - Correct answer -polar and nonpolar Facilitated diffusion uses a channel protein to let components move down their concentration gradient. - Correct answer -true If something is soluble in water a of hydration forms around it and it is termed ... - Correct answer -hydrophillic What are the two functions of a membrane? - Correct answer -To partition water and to compartmentalize enzymes to increase efficiency of chemica l reactions Draw a phospholipid and make sure the numbers of carbons are clearly identified. - Correct answer -

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