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An obligate aerobe is an organism that requires oxygen to grow. [1] Through cellular respiration , these organisms use oxygen to metabolise substances, like sugars or fats, to obtain energy. [ 1 ] [ 2 ] In this type of respiration, oxygen serves as the terminal electron acceptor for the electron transport chain . [ 1 ]
An aerobic organism or aerobe is an organism that can survive and grow in an oxygenated environment. [1] The ability to exhibit aerobic respiration may yield benefits to the aerobic organism, as aerobic respiration yields more energy than anaerobic respiration. [2] Energy production of the cell involves the synthesis of ATP by an enzyme called ...
Unlike obligate anaerobes however, they are not poisoned by oxygen. They can be found evenly spread throughout the test tube. A microaerophile is a microorganism that requires environments containing lower levels of dioxygen than that are present in the atmosphere (i.e. < 21% O 2; typically 2–10% O 2) for optimal growth. [1]
B. subtilis has historically been classified as an obligate aerobe, though evidence exists that it is a facultative anaerobe. B. subtilis is considered the best studied Gram-positive bacterium and a model organism to study bacterial chromosome replication and cell differentiation.
1: Obligate aerobes need oxygen because they cannot ferment or respire anaerobically. They gather at the top of the tube where the oxygen concentration is highest. 2: Obligate anaerobes are poisoned by oxygen, so they gather at the bottom of the tube where the oxygen concentration is lowest.
A teen with a rare eye disease wants to travel the world while she still has her eyesight. The girl has been told she's going blind, so she aims to see Disney World, Dubai and more.
President Donald Trump proposed to turn the Gaza Strip into a "Riviera of the Middle East."
WASHINGTON (Reuters) -The fatal 2019 arrest of unarmed Black motorist Ronald Greene and its aftermath demonstrated serious failures at Louisiana State Police like the use of excessive force and ...