The two enzymes that help in the generation of NADPH which is essential for fatty acid synthesis are the Glucose-6-phosphate-dehydrogenase(G6PDH) and the Malic enzyme.
NADPH is predominantly produced by the pentose phosphate pathway, either directly by the malic enzyme as it oxidized malate to pyruvate or indirectly through the glucose-6-phosphate dehydrogenase.
NADP+ is used to make NADPH. The pentose phosphate pathway, which is catalyzed in the first stage by glucose-6-phosphate dehydrogenase (G6PDH), is the main source of NADPH in mammals and other non-photosynthetic organisms.
From glucose, the pentose phosphate pathway also generates pentose, a crucial component of NAD(P)H.
However, the Entner-Doudoroff route is also used by some bacteria, and NADPH generation is unaffected.
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Agents that paralyze skeletal muscle by simple competitive inhibition of acetylcholine at muscle receptor sites are called?
a. nondepolarizing
b. depolarizing
c. antagonizing
d. repolarizing
Answer:
a. nondepolarizing
Explanation:
As the nerve impulse arrives, the synaptic end bulbs of the motor neurons release acetylcholine in the synapse. Acetylcholine binds to its receptors present at the motor endplate. This results in the opening of an ion channel in the ACh receptor to allow the movement of the Na+ into the cell. This makes the inside of the muscle fiber more positively charged, that is, depolarized.
Depolarization triggers a muscle action potential. Drugs or chemicals that paralyze skeletal muscle by competitive inhibition of acetylcholine at muscle receptor sites are called non-depolarizing as they do not allow the acetylcholine to facilitate the depolarization of the muscle fiber.
Igneous rocks are crwated by heat and pressure they form from lava of the crust surface from melting rocks from the mantle forming bt the cooling and molten magma on earth's surface
Its either B or D. That's about all i can do. sorry
Answer:
Its c
A pressurized water reactor does not boil the water!
Explanation:
- There are different type of nuclear power plants, that are used to generate electricity other than the water ,wind and solar electricity generation.
- The nuclear power plants use uranium as fuel that heat the water and the steam generated runs the turbine
- The most common type of nuclear power reactors are :-
The pressurized water reactor
- It heats boils the water to ane extreme temprature but it doesnt boil it that water due to the great amount of pressure it is under
The boiling water reactor
- the nuclear fission reaction of uranium generates great amount of enegery that is absorbed by the water and it starts to boil , the steam generated runs the turbines
