This is a question regarding how enzymes increase the rates of reactions. There are choices and the instructions is to check all that apply.
<span>1. They shift the reaction equilibrium towards the products. </span>
<span>2. They increase the concentration of the reactants. </span>
<span>3. They lower the activation energy of the reaction. </span>
<span>4. They decrease the free energy of a reaction. </span>
<span>5. They promote the formation of a transition state.
The correct answers in this question are "they lower the activation energy of the reaction" and "they promote the formation of a transition state". Enzymes do not necessarily shift the the reaction equilibrium to the products, as there are reversible enzymatic reactions that can reverse the pathway back to the substrates. They do not increase the concentration of the reactants as the concentration of the reactants is an independent variable in this process. They do not decrease the free energy of activation as this is a constant in every reaction depending on the substrates and the products.
Enzymes do, however, lower the activation energy of the reaction meaning it will take less energy and effort for the substrates to reach the activation energy to transform it to its transition state then to the products. With this said, enzymes promote the formation of a transition state.
Attached is a simplified image on how enzymes work. </span>
Answer:
Explanation:
F = ma, or force is equal to mass times acceleration.
A is the answer
Hemispheric specialization makes having a stroke on the left side of the brain more severe to recover from than on the opposite side.
Left hemisphere stroke :
When the blood flow towards the left hemisphere of the brain is reduced it causes a stroke. When the left side of the hemisphere gets a stroke it causes paralysis of the right side of the body. It affects the speech of the person. A person is not able to read, write, talk, walk, vision gets blurry, etc. This condition is severe and is not recoverable as it occurs in the left side of the brain. In severe cases, the person can go into a coma.
Learn more about left hemisphere stroke from here,
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Explanation:
In self-pollinating plants, there is less dependence on the external factors to cause pollination. These plants depend on wind or other smaller insects that visit the flower regularly. In self- pollinating flowers, the anthers, and stigma are of similar lengths to facilitate the transfer of pollen.