Which amino acids are highlighted for their importance in nitrogen transfer and neural functioning?

• Serine and Threonine

• Glutamine and Glutamate

• Lysine and Arginine

• Valine and Leucine

What is the precursor molecule for the synthesis of glutamate in the TCA cycle?

• Succinate

• Alpha Ketoglutarate

• Citrate

• Oxaloacetate

Which enzyme is responsible for converting glutamate to glutamine?

• Transaminase

• Glutamine Synthetase

• Glutamate Dehydrogenase

• Aminotransferase

What role does glutamine play in neurotransmission?

• It inhibits synaptic transmission.

• It degrades neurotransmitters.

• It acts as a neurotransmitter itself.

• It is a precursor to glutamate.

Which cells supply neurons with glutamine?

• Astrocytes

• Oligodendrocytes

• Glial cells

• Microglia

Why is glutamine synthetase tightly regulated?

• It synthesizes essential amino acids.

• It interacts with toxic ammonia.

• It is involved in energy production.

• It degrades proteins.

What type of regulation is applied to glutamine synthetase?

• Both allosteric and covalent regulation

• Only allosteric regulation

• No regulation

• Only covalent regulation