Differentiate the three domains of life. Archaea Bacteria Eukarya Presence of cell wall (+/-) Presence of cell membrane (+/-) Presence of mitochondria (/) Presence of chloroplast (+/-) Presence of peptidoglycan (/-) Presence of capsules (+/-) Type of cell membrane linkage on lipids Type of cell membrane side chain of lipids Types of cell membrane lipids Give 2 examples

Differentiate the three domains of life. Archaea Bacteria Eukarya Presence of cell wall (+/-) Presence of cell membrane (+/-) Presence of mitochondria (/) Presence of chloroplast (+/-) Presence of peptidoglycan (/-) Presence of capsules (+/-) Type of cell membrane linkage on lipids Type of cell membrane side chain of lipids Types of cell membrane lipids Give 2 examples

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter13: Diversity Of Microbes, Fungi, And Protists

Section: Chapter Questions

Problem 1ACQ: Figure 13.6 Which of the following statements is true? a. Gram-positive bacteria have a single cell...

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. Single-celled organisms with a true nucleus, ester-linked fatty acids in their G-3-P cell membranes, and histones, but no collagen, and no cell walls composed of either chitin or cellulose, must be: members of kingdom Archaeobacteria members of kingdom Protista members of kingdom Eubacteria members of kingdom Fungi members of kingdom Animalia
All of the following are correctly matched and can be found in bacteria EXCEPT: O Cell wall - contains peptidoglycan Ribosomes - site of protein synthesis Nucleus - membrane-bound organelle containing multiple chromosomes Cell (plasma) membrane - encloses cytoplasm; phospholipid bilayer with proteins O None of the other four answers (all are correctly matched and can be found in bacteria)
In the diagram below, identify the structures of a cyanobacterial cell based on the following descriptions: a) Outer cellular covering which includes: Mucilaginous layer – outermost layer covering the cell wall; protects the cell from harmful factors of the environment Cell wall – found just below the mucilaginous layer; 2 or 3-layered, the inner layer lies in between the outer wall layer and plasma membrane; the outer layer is made of peptidoglycan Innermost plasma membrane – selectively permeable membrane enclosing the cytoplasm b) Cytoplasm – found below the plasma membrane; the protoplasm which contains structures of different shapes and functions. Lamellae, which contain pigments such as chlorophylls, carotenes, xanthophylls, phycoerythrin and phycocyanin, are located in the peripheral region of cytoplasm. Ribosomes may also be found scattered in the cytoplasm. c) Nucleic material – the nucleoplasm that is centrally located in the cell and contains chromatin in the form…
what are three cellular parts that are specific to ALL bacteria? This should not include any cellular parts listed that both prokaryotes and eukaryotes will have. This also should not include cellular parts that only specific types of bacteria will have (example: flagella). Then state the function of the cellular part (what does it do for the cell?
. Which of the following prokaryotic kingdoms is characterized by the absence of a nucleus, the absence of histone proteins, the presence of fatty acids ester-linked to glycerol in their G-3-P cell membrane, and the presence of enzymes for constructing a peptidoglycan cell wall? kingdom Archaeobacteria kingdom Animalia kingdom Fungi kingdom Plantae kingdom Eubacteria
Penicillin inhibits bacterial growth by preventing the cross-linking during peptidoglycan synthesis. Why does penicillin not inhibit growth of archaeal cells? Group of answer choices Most archaeal cells have a cell wall, but it is not composed of peptidoglycan. Archaeal cells do not have a cell wall. Penicillin is unable to penetrate the lipid outer membrane that blocks access of penicillin to the peptidogycan crosslinking enzymes. Pencillin is unable to penetrate the S layer to reach the peptidoglycan layer underneath.
The endosymbiotic theory pertains to which organelle within eukaryotes because of the presence of 70S ribosomes, circular DNA, and the replication of this organelle independent from mitosis? O 1) nucleus O 2) lysosomes. O 3) golgi 4) endoplasmic reticulum 5: O 5) mitochondria
1. Which of the following are examples of eukaryotic organisms? (Select all that apply) Flowers Bacteria Humans Archaea Mushrooms 2. Clathrin is used by cells to a) Help form endocytic vesicles b)Bind a vesicle to the cell’s plasma membrane c)Increase the elasticity of lipid membranes d)Bind to substrates for endocytosis e)Decrease osmotic pressure from solutes 3. A phagosome is a)A membrane compartment used to store water and ions b)An organelle used to degrade molecules c)An endocytic vesicle formed by phagocytosis d)A membrane pit located on the surface of the cell e)An organelle used for the detoxification of organic molecules 4. The process of bringing dissolved substances into the cell is a)Transcytosis b)Receptor-mediated endocytosis c)Exocytosis e)Pinocytosis f)Phagocytosis
What organelle is found only in animals and is filled with digestive enzymes needed to break down materials in the cell? Classify the compound carbon tetrabromide as ionic or covalent. Fluid Mechanics a) The hydrostatic equation is: (p/gamma) +z=C, where p is pressure, gamma is specific weight, and C is a constant. Show that this equation is dimensionally homogeneous. b) Would a check for dimensionless homogenity have saved the Mars Climate Orbiter? Why or why not?
Why is the mitochondria so important to a eukaryoWhich is an example of a prokaryotic cell?tic cell? What is the plasmid in prokaryotes? What is the jelly-like matrix in both prokaryotes and eukaryotes that provides form to the cell and holds many of the organelles? What attribute should a hypothesis contain so that it lends itself to an objective experiment that relies on quantitative observations and data? Which is a properly written hypothesis?Which hypothesis states that no statistical significance exists between the independent and dependent variable? Question options: statistical hypothesis complex hypothesis null hypothesis alternative hypothesis simple hypothesis
Bacteriorhodopsin, and retinal, are part of a transmembrane complex that uses of sunlight to create a proton gradient, for synthesis of ATP from ADP, in which of the following organisms? one of the members of the Archaeobacterial kingdom one of the members of the Eubacterial kingdom (ancestral to the mitochondria) one of the members of the Animal kingdom one of the members of the Eubacterial kingdom (ancestral to the chloroplasts) one of the members of the Plant kingdom
Why do cyanobacteria possess heterocysts? View Available Hint(s) for Part A Heterocysts shield the organism's nitrogen fixation enzymes from oxygen. Heterocysts serve as a primitive nucleus in these bacteria. Heterocysts are reproductive structures similar to endospores in other bacteria. Bacterial photosynthetic pigments are located in heterocysts.