Answer:
d. Glucose has the right shape and charge to cause hexokinase to undergo a structural change needed for catalysis, whereas water does not.
Explanation:
<u>d is the correct option</u>. It explains the <u>reaction specificity of hexokinase</u> during glycolysis. Glycolysis is the metabolic pathway in which glucose is converted to pyruvate to generate a high energy molecule in the form of ATP and NADH.
In the first step of glycolysis, glucose (6-carbon ring) is catalyzed to glucose-6-phosphate by Hexokinase enzyme using Mg-adenosine triphosphate (Mg-ATP) as a source of phosphate. <u>Hexokinase demonstrates conformational change on binding site in glucose</u>. Precisely, it brings C6-OH group of glucose and Mg-ATP close and binds together at the active site. This bond excludes water (H2O) from the active site. The active site has the capability to bind two ligands, glucose, and glucose-6-phosphate. When glucose binds, hexokinase goes through an induced-fit conformational change that prevents the hydrolysis of ATP.
<em>Final impression: </em>Such a catalysis is specified to hexokinase, and cannot be done by any other molecule. Glucose has the right shape and charge to cause hexokinase to undergo a structural change needed for catalysis, whereas other molecule is not suitable for this reaction.
Answer:
Chemical changes cause a substance to change into an entire substance with a new chemical formula. Chemical changes are also known as chemical reactions. The “ingredients” of a reaction are called reactants, and the end results are called products.
Explanation:
Answer:
Frederick Griffith's discovery on the theory of genetics is credited to his experiment on mice. He subjected them to different strains of pneumonia bacteria. He concluded that there is an unidentified force that leads to the formation of different strains from what the mice were subjected to. This leads to the discovery of DNA, the carrier of traits. Scientist before did not know how the trait is passed on not until Griffith's experiment.
Explanation:
Answer:
The correct answer is option A, Improved respiratory health of local residents
Explanation:
A coal plant produces lot of harmful gases as waste in to the atmosphere which is very dangerous to all forms of living beings and cause lot many respiratory disease especially in the human beings. But when it will be replaced by a nuclear plant which is a sort of renewable source of energy, produces energy as a consequence of continuous fission reaction without any harmful by product formation
For brief quick movements, which muscle fiber type would you therefore predict to be predominant in these muscles...Fast twitch muscle fiber type.
There are three types of muscle tissue. 1. Cardiac 2. Smooth 3. skeletal muscles. The skeletal muscle are involved in voluntary movements of the body.
Since the player uses her hand in a voluntary way of movement, therefore she makes use of her skeletal muscles.
With regards to the skeletal muscles, there are two types with regards to speed, we have the slow twitch and the fast-twitch.
The fast-twitch muscle fiber aids in fast movement of the body but for shorter periods compared to the slow twitch.
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