CAMPBELL BIOLOGY:CONCEPTS..W/JUNGLE>IC
15th Edition
ISBN: 9781269930741
Author: Reece
Publisher: PEARSON C
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Chapter 4, Problem 2TYK
Summary Introduction
Introduction: Cell is the smallest fundamental unit of structure and function in all living organism. It is quite difficult to observe the ultra-structure of cell with naked eye. Inside the cell, cell-organelles are present; those are very minute to identify by electron microscope. So, high magnified electron microscope is needed for the observation of ultrastructure of cell and the cellular organelles.
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Which of the following is/are too small to have been discovered before the invention of the electron microscope? (a) chloroplasts (b) mitochondria (c) nucleus (d) ribosomes (e) central vacuole
When students are asked to write an essay explaining how to distinguish between an animal cell and a plant cell, they typically answer that plant cells contain chloroplasts and animal cells do not. If you were the professor reading that essay answer, what sort of grade would you assign, and why?
Which type of microscopy allows us to clearly view the internal contents of cell structures smaller than 200 nm?
A. Scanning electron microscopy
B. Light microscopy
C. Fluorescence microscopy
D. Transmission electron microscopy
Chapter 4 Solutions
CAMPBELL BIOLOGY:CONCEPTS..W/JUNGLE>IC
Ch. 4 - Label the structures in this diagram of an animal...Ch. 4 - Prob. 2TYKCh. 4 - Prob. 3TYKCh. 4 - Which of the following clues would tell you...Ch. 4 - Prob. 5TYKCh. 4 - What four cellular components are shared by...Ch. 4 - Describe two different ways in which cilia can...Ch. 4 - In which cell would you find the most lysosomes?...Ch. 4 - Prob. 9TYKCh. 4 - Prob. 10TYK
Ch. 4 - In which cell would you find the most...Ch. 4 - In what ways do the internal membranes of a...Ch. 4 - Is this statement true or false? Animal cells have...Ch. 4 - Describe the structure of the plasma membrane of...Ch. 4 - Prob. 15TYKCh. 4 - Describe the pathway of the protein hormone...Ch. 4 - How might the phrase ingested but not digested be...Ch. 4 - Cilia are found on cells in almost every organ of...Ch. 4 - SCIENTIFIC THINKING Microtubules often produce...
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- When viewing a specimen through a light microscope, scientists use ______ to distinguish the individual components of cells. a. a beam of electrons b. radioactive isotopes c. special stains d. high temperaturesarrow_forwardChoose the term that best completes the following analogy: Cytoplasm is to cytosol as a swimming pool containing chlorine and flotation toys is to ________. a. the walls of the pool b. the chlorine c. the flotation toys d. the waterarrow_forwardTrue or False: Chloroplasts are ALWAYS very small compared to the size of the cell.arrow_forward
- a) Difference between Endocytosis and exocytosis b) Difference between DNA vs RNA vs Protein c) Difference between PCR vs DNA replication d) Difference between Sympathetic vs Para-sympathetic nervous systemarrow_forwardWhich of the following statements is NOT TRUE about the organization and function of chloroplasts and mitochondria? a. The pH is very low in the matrix of both organelles. b. Both cristae and grana are infoldings of the inner membrane. c. Inner membranes contain the transport proteins and ATP Synthases. d. Both organelles can divide independently of the cell.arrow_forwardIn the process of our experiment, which centrifugation fraction is used to observe the intact chloroplasts under the microscope?arrow_forward
- a.) Are there chloroplast in guard cells? b.) How do the guard cells function? c.) What photosynthetic reaction occur in chloroplast?arrow_forwardBoth light and electron microscopy are commonly used to visualize cells, cell structures, and the location of specific molecules. Explain why a scientist may choose one or the other microscopy technique for use in research.arrow_forwardIn cyanobacteria and photosynthetic eukaryotes, the light-dependent reactions proceed in/at the______ . a. thylakoid membrane c. stroma b. plasma membrane d. cytoplasmarrow_forward
- Which of the following is true for both plant and animal cells? a) They both contain a cytoskeleton. b) They both have a cell wall. c) They both contain centrioles for cell division. d) They both contain chlorophyll.arrow_forwardWhat would cork cells look like if they were still alive?arrow_forwardExplain the difference (in principle) between a light microscope and a transmission electron microscopearrow_forward
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