Cytoskeletal motors - Study guides, Revision notes & Summaries

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MODULE 3 LECTURE 1: Define diffusion Which 4 factors does it depend on? What are the 2 components of random motion? - correct answer diffusion: random/non-directed motion of molecules and small particles in a liquid factors: 1) driving force (i.e. gradient, temp.) 2) mechanical resistance of the surrounding medium 3) structural properties of the molecule 4) active forces causing non-thermal fluctuations (i.e. contraction/relaxation o...

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 paramec...

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...

Physiology Exam I Review Questions And Answers Which of the following is a membrane bound organelles that provides a protected environment for oxidative reactions? Peroxisome Which of the following is a membrane bound organelle filled with digestive enzymes? Lysosomes Which of the following is an organelle that is composed of ribosomal RNA (rRNA) and proteins? Nucleolus What is an organelle that is continuous with the nuclear membrane and serves as a storage site for the intracellular c...

Motor proteins Questions & Answers A+ 2024 What is a motor protein? What processes are they involved in? - ANS-proteins that convert chemical energy (ATP) into movement or mechanical work involved in intracellular transport of proteins, nucleic acids and membrane bound organelles, muscle contraction, cell migration, mitosis/meiosis and cell division What are the tracks for motor proteins? What feature do they possess that allows for directional movement? - ANS-microtubules and actin bo...

Physiology Exam I Review Questions And Answers Which of the following is a membrane bound organelles that provides a protected environment for oxidative reactions? Peroxisome Which of the following is a membrane bound organelle filled with digestive enzymes? Lysosomes Which of the following is an organelle that is composed of ribosomal RNA (rRNA) and proteins? Nucleolus What is an organelle that is continuous with the nuclear membrane and serves as a storage site for the intracellular c...

Define diffusion Which 4 factors does it depend on? What are the 2 components of random motion? - answer-diffusion: random/non-directed motion of molecules and small particles in a liquid factors: 1) driving force (i.e. gradient, temp.) 2) mechanical resistance of the surrounding medium 3) structural properties of the molecule 4) active forces causing non-thermal fluctuations (i.e. contraction/relaxation of cytoskeleton moves cytoplasm causing active diffusion) components of random moti...

Physiology Exam I Review Questions And Answers Which of the following is a membrane bound organelles that provides a protected environment for oxidative reactions? Peroxisome Which of the following is a membrane bound organelle filled with digestive enzymes? Lysosomes Which of the following is an organelle that is composed of ribosomal RNA (rRNA) and proteins? Nucleolus What is an organelle that is continuous with the nuclear membrane and serves as a storage site for the intracellular c...

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 paramec...

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 paramec...