BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 4, Problem 12SA
Summary Introduction
Introduction:
The organisms that contain a well-defined nucleus are known as eukaryotic organisms. However, the group of organisms that lack a well-defined nucleus properly enclosed by a nuclear membrane are called prokaryotes. However, the eukaryotes are further classified into two major categories, plant cell, and animal cell.
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Chapter 4 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 4 - All cells have these three things in common...Ch. 4 - Every cell is descended from another cell. This...Ch. 4 - The surface-to-volume ratio _______. a. does not...Ch. 4 - Cell membranes consists mainly of ________ and...Ch. 4 - In a lipid bilayer, the ________ of all the lipid...Ch. 4 - What controls the passage of molecules into and...Ch. 4 - Most of a membranes diverse functions are carried...Ch. 4 - The main function of the endomembrane system is...Ch. 4 - Which of the following statements is correct? a....Ch. 4 - Enzymes contained in ________ break down worn-out...
Ch. 4 - Put the following structures in order according to...Ch. 4 - Prob. 12SACh. 4 - Which of the following organelles contains no DNA?...Ch. 4 - Prob. 14SACh. 4 - Prob. 15SACh. 4 - In a classic episode of Star Trek, a gigantic...Ch. 4 - Prob. 2CTCh. 4 - What type of micrograph is shown below? Is the...
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- The cytoskeleton includesa. microtubules made of actin filaments.b. microfilaments made of tubulin.c. intermediate filaments made of staggered protein tetramers.d. smooth endoplasmic reticulum.arrow_forwardProtein is synthesized by the _________ of the cell. a.phagocyte b.mitchondria c.ribosomes d.nucleusarrow_forwardThe plasma membrane of a cell is composed of a ________ ________ and regulates molecular passage via _______ ________. a. potassium bilayer, unidirectional diffusion b. phospholipid bilayer, selective permeability c. phospholipid bilayer, random permeability d. protein wall, osmotic pumpsarrow_forward
- Which of the folllowing organelles/complexes makes proteins? A. The Nucleus B. Cytoplasm C. Peroxisomes D. Ribosome E. Golgi Apparatusarrow_forwardWhich of these organelles produces large amounts of ATP?a. nucleus c. ribosomes e. lysosomesb. mitochondria d. endoplasmic reticulumarrow_forwardThe ________ works together in the synthesis, modification, packaging, and transport of lipids and proteins. a. endoplasmic reticulum b. organelle membrane path c. endomembrane systemarrow_forward
- Which of the following is NOT an example of a cell? A. macrophages B. lysosomes C. plasmocytes D. chondroblastsarrow_forwardThe main function of plasma membranes is to ________. a. physically protect the cell b. separate the internal environment of the cell from the environment c. ensure the cell properly communicates with stimuliarrow_forwardMicrofilaments participate in the formation of _________ and are made of ________: a. cilia, tubulin b. flagella, tubulin c. cell cleavage furrows, actin d. basal bodies, actin e. mitotic spindles, actin ...explain your answer.arrow_forward
- A plasma membrane_____ . a. controls exchanges between the cell and the external environment b. is a mesh of intermediate filaments c. is a type of extracellular matrixarrow_forwardCellular organization (e.g. movement of organelles) is facilitated by __________. Cells are capable of resisting mechanical stress due to the presence of _________. Select one: a. microtubles, intermediate filaments b. actin, microtubules c. actin, intermediate filaments d. microtubles, actin e. intermediate filaments, actin Clear my choicearrow_forwardThis organelle is structured such that it possessess four to six stacked, flattened membranous cisterns referred to as cis, medial and trans. a.endoplasmic reticulum b.golgi complex c.mitochondia d.peoxisomes e.none of thesearrow_forward
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