1. Cell theory was first proposed in 1838. Evidence obtained through additional scientific investigations resulted in the current cell theory. Which statement describes a component of the original cell theory that was removed because of the new scientific knowledge? A. All living things are made of cells. B. All cells come from other preexisting cells. C. Cells form through spontaneous generation. D. Cells are the basic structural and functional units of life. 2. Which invention from the 17th century allowed for the development of modem cell theory? A. X-rays B. computers C. the light microscope D. the scanning electron microscope 3. A plant and an animal are both living things. According to the Cell Theory, what can you conclude about these two very different organisms? A. Plants have cells but animals do not. B. They are both made of one or more cells. C. They both come from the same kind of cell. D. They both come from a non-living organism. The combined observations of Mattias Schleiden, Theodor Schwann and Rudolph Virchow

1. Cell theory was first proposed in 1838. Evidence obtained through additional scientific investigations resulted in the current cell theory. Which statement describes a component of the original cell theory that was removed because of the new scientific knowledge? A. All living things are made of cells. B. All cells come from other preexisting cells. C. Cells form through spontaneous generation. D. Cells are the basic structural and functional units of life. 2. Which invention from the 17th century allowed for the development of modem cell theory? A. X-rays B. computers C. the light microscope D. the scanning electron microscope 3. A plant and an animal are both living things. According to the Cell Theory, what can you conclude about these two very different organisms? A. Plants have cells but animals do not. B. They are both made of one or more cells. C. They both come from the same kind of cell. D. They both come from a non-living organism. The combined observations of Mattias Schleiden, Theodor Schwann and Rudolph Virchow

Anatomy & Physiology

1st Edition

ISBN:9781938168130

Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Chapter4: The Tissue Level Of Organization

Section: Chapter Questions

Problem 9RQ: The process by which a less specialized cell matures into a more specialized cell is called...

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Answer the following question. 1. What are the benefits of specialized cells? 2. What is Stem cell?
II. CELL FEATURE OBSERVATION The following questions pertains to the features of cells. Provide the answers to each of the questions. Maximum of 5 sentences is allowed per question. 1. Cell features a. What limits a size of the cell and why? b. Describe the relationship of between cell shape and function. Give example of a cell influencing function. c. Why is cell differentiation important?
What is differentiation? A. When a cell switches from its original purpose B. The process of multiplying the cells in the body C. The process by which cells become specialized in their form to aid in their function D. How cells grow once their place in the body has been decided
The process by which a less specialized cell matures into a more specialized cell is called ________. differentiation maturation modification specialization
Which of the following cannot enter a cell by simplediffusion?a. waterb. sugarc. estrogend. oxygen
1. Using either a computer or pen and paper, list at least 10 different cell structures. 2. Briefly describe the function of each structure. 3. Indicate whether this structure is found in animal, plant, and/or bacterial cells.
A cell that remains capable of dividing throughout the lifeof an organism, and that produces daughter cells that canmature into any of several different cell types is aa. cancerous cell.b. differentiated cell.c. stem cell.d. gamete.
Cells can become cancerous for many reasons. Regardless of how they become cancerous, the same general pattern is followed. Put the steps of cancer development in order from first to last. 1. A cell begins to grow and divide uncontrollably.2. The cell metastasizes and moves through the bloodstream, spreading throughout the body.3. Part of the tumor breaks off and is now malignant.4. The benign tumor is confined to one place.5. A small mass forms, called a tumor.
A human skin cell has 46 chromosomes. A human sperm cell hasa. 23.b. 46.c. 92.d. none of the above
Statement 1: Embryonic stem cells are pluripotent which means that they are capable of differentiating into many different cell types. Statement 2: Adult stem cells are cells that generate a limited number of cell types. O Both statements are true. Both statements are false. Statement 1 is true. Statement 2 is false. O Statement 1 is false. Statement 2 is true.
8. This cell is and present is tissue
Practice Worksheet: Mitosis and Cancer 1. Label the parts of the cell cycle using the word list provided. Growth 1 (G.) Mitosis Interphase Growth 2 (G2) Cytokinesis Synthesis E 2. Label the cell structures on the diagram to the right. What is the diploid number of chromosomes in this diagram? 2n=_ 3. Identify the type of cells in the images below using the word list provided. Benign Tumor Malignant Tumor / Metastasis Normal Cells Which of the above tumors is the most invasive? Why? AB