Biochemistry: The Molecular Basis of Life
6th Edition
ISBN: 9780190209896
Author: Trudy McKee, James R. McKee
Publisher: Oxford University Press
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Chapter 1, Problem 60SA
Summary Introduction
To review:
The classification of heliobacteria.
Introduction:
Sun is the ultimate energy sourc, ehich supports most of the lifeforms present on Earth. There are living organisms, such as certain prokaryotes, plant, snd algae, which uses light energy from the sun and further transform this energy to produce essential
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Chapter 1 Solutions
Biochemistry: The Molecular Basis of Life
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- Heterotophs... a) do not require a carbon source. b) use organic compounds, like starch, as a carbon source. c) use carbon dioxide as their carbon source. d) require light for metabolic reactions.arrow_forwardWhich of the following is true about Purple Sulfur Bacteria? Choose all possible answers. found within the order Chromatiales anoxygenic phototrophs use CO2 as an electron donor for photosynthesis Examples include Cyanobacteria, Synechococcus and Prochlorococcus All of the statements are true about Purple sulfur bacteria.arrow_forwardClostridium botulinum is a strict anaerobe; that is, it is killed by the molecular oxygen (O2) present in air. Humans can die of botulism from eating foods in which C. botulism is growing. How does this bacterium survive on plants picked for human consumption? Why are home-canned foods most often the source of botulism?arrow_forward
- In the food web that contains bacteria, what is the usual function of this organismarrow_forwardWhich of the following is NOT true about endospores? O 1) Spores are resistant to heat, radiation, cold, and dessication. O 2) One endospore germinates into one vegetative cell. O 3) They are a method of reproduction for bacterial cells when growth conditions are inhospitable. O 4) Endospores are clinically significant in causing disease. O 5) The endospore has a thick spore coat that protects it.arrow_forwardWhich of the following are characteristics of archaebacteria? a) Methane-producersb) Extreme halophilesc) Thermoacidophilesd) All of the above e) They lack peptodoglycan in their cell wallarrow_forward
- From the book "The Cheese Trap" by Dr. Neal Barnard; What are brevibacteria?arrow_forwardWhat is true about archaea? |- their cell walls mostly lack peptidogylcan Il - they are more closely related to humans than bacteria III - they do not cause disease IV - some are halophiles O a) I, II, III and IV O b) I and III Oc) IV O d) I, Il and IV Ai étv MacBook Pro 向arrow_forwardAll algae havea) chlorophyll a. b) cell walls that contain agar.c) holdfasts. d) red tides.arrow_forward
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