If an organism is said to be a chemoautotroph, which of the following statements is true? The organism could be a mammal. The organism is able to synthesize its own food by breaking apart chemical bonds in inorganic compounds. The organism must eat organic compounds in order to obtain energy. O The organism depends on sunlight for manufacturing it's own food ene

If an organism is said to be a chemoautotroph, which of the following statements is true? The organism could be a mammal. The organism is able to synthesize its own food by breaking apart chemical bonds in inorganic compounds. The organism must eat organic compounds in order to obtain energy. O The organism depends on sunlight for manufacturing it's own food ene

Ebk:Nutrition & Diet Therapy

10th Edition

ISBN:9780357391747

Author:DEBRUYNE

Publisher:DEBRUYNE

Chapter8: The Vitamins

Section: Chapter Questions

Problem 9SC

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Which of the following statements is true of chemoautotrophs? O They use hydrogen sulfide as their hydrogen source for the photosynthesis of their organic compounds. O They "feed themselves" by obtaining energy from the chemical bonds of organic molecules. O They oxidize inorganic compounds to obtain energy to drive the synthesis of their organic compounds. O They live as decomposers of inorganic chemicals in organic litter. O They obtain their energy from oxidizing chemical compounds and get their carbon skeletons from organic compounds. MacBook Pro Ca G Search or type URL 24 & * 3 5 6. E R Y K D.
Salts and sugars work to preserve food by O creating an acidic environment denaturing proteins making the environment anaerobic Omaking water osmotically unavailable
Which of the following experimental approaches is likely must complete picture of a particular cell's metabolism? a. NMR spectroscopey b. Metabolic inhibitors c. Mass spectroscopy d. Isotopic tracers
The Four Defined major nutritional categories of life are Photoautotroph, photochemotroph, chemoautotroph and chemoheterotroph. Which statement is NOT true? ‘Chemo’ refers to the use of chemical energy, so breaking bonds ‘Auto’ means they make their own carbon dioxide ‘Photo’ refers to the use of light to obtain energy ‘Hetero’ means that they get carbon dioxide from a premade source of carbon
(Select all that are correct) What are the key characteristics that define a material to be a biomaterial? It will not degrade in the body It interacts with a biological system It is non-viable It contains biomolecules It is ductile and strong
Which type of enzyme is directly involved in causing cellular damage during the disease process? O Exoenzyme O None of the listed answers are correct. O Endoenzyme
Organisms which use light as an energy source and carbon dioxide as a source of carbon are called and organisms which require preformed organic molecules as a source of carbon and energy are called O photoheterotroph; chemoautotroph obligate anaerobe; obligate capnophile O chemoautotrophs; chemoheterotrophs O photoautotrophs; chemoheterotrophs
Match the following characteristics to either (a) autotrophsor (b) chemoheterotrophs:Many microorganisms in this group are infectious.Many microorganisms in this group can carry out pho-tosynthesis.Members of this group usually do not cause disease.Members of this group carry out the same metabolicprocesses as humans.Members of this group break down organic compoundsto obtain energy.Members of this group synthesize organic compoundsto store energy.
An enzyme requiring an inorganic cofactor (like Fe2+), which is only loosely attached to the apoenzyme, is properly referred to as: the metalloenzyme the metal-activated enzyme the cosubstrate the prosthetic group the coenzyme
You grow cells in the lab in the presence of radioactively labeled oxygen gas. Which cell metabolite will show the most radioactivity after a few minutes? O water O carbon dioxide O reduced NAD ATP
Which of the following is NOT true about chemoheterotrophs? Which of the following is NOT true about chemoheterotrophs? Use organic compounds as a source of both carbon and energy Can use light for energy and CO2 as a source of carbon Oxidize organic compounds (e.g., glucose) to generate ATP They are ultimately dependent on autotrophs to provide their carbon and energy None of the other four answers (all are true of chemoheterotrophs)
What evidence do you have that food molecules give organisms building materials?