Which statement regarding thiamin is TRUE?
Thiamin acts as a coenzyme in the metabolism of branched-chain amino acids.
Thiamin can quickly become toxic when consumed in excess.
Without thiamin, all amino acids become essential.
Most processed foods are excellent sources of thiamin.

High School Biology 10+5 pts

Which statement regarding thiamin is TRUE?

A. Thiamin acts as a coenzyme in the metabolism of branched-chain amino acids.

B. Thiamin can quickly become toxic when consumed in excess.

C. Without thiamin, all amino acids become essential.

D. Most processed foods are excellent sources of thiamin.

A. Thiamin acts as a coenzyme in the metabolism of branched-chain amino acids.

Explanation: By way of introduction,Thiamin also known as thiamine or vitamin B1, is a vitamin found in food, and manufactured as a dietary supplement and medication. Some food sources of thiamine include whole grains, legumes, meats and fish.

The thiamin or B1 vitamins are a group of water-soluble vitamins that are part of many of the chemical reactions in the body. Thiamin is one of the B vitamins. It is an essential micronutrient, which cannot be made in the body. Thiamine is required for metabolism including that of glucose, amino acids, and lipids.

However, it is on the World Health Organization's List of Essential Medicines, the safest and most effective medicines needed in a health system.Supplements and medications of Thiamin are available to treat and prevent it's deficiency and disorders that result from it, such as beriberi and Wernicke encephalopathy e.t.c.

Functions:

1. Thiamin (vitamin B1) helps the body's cells change or convert carbohydrates, fats, and protein into energy, or glucose into energy. The main role of carbohydrates is to provide energy for the body, especially the brain and nervous system.

2. Thiamin also plays a role in muscle contraction and conduction of nerve signals.

3. Thiamin is essential for the metabolism of pyruvate.

4. B1 vitamins are necessary for keeping the liver, skin, hair, and eyes healthy. They also play a role in the nervous system, and they are needed for good brain function.

5. The B1 vitamins are sometimes called anti-stress vitamins, because they boost the body’s immune system in times of stress.

the  frequency of a wave represents  the number of wavelengths that pass a specific point per second. the unit for  frequency  is hertz (hz).

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there are mainly three domains in biological classification namely; archaea, bacteria, and eukarya.

archaea includes all the prokaryotic cells which are characterized by their lipid membranes. they have branched hydrocarbon which is attached to glycerol through an ether linkage.

bacteria includes all the prokaryotic cells, the cell membrane of which are made up of the unbranched fatty acid chain. in addition, they are attached to glycerol through an ester bond.

eukarya includes all the eukaryotic cells, that is, the cells contain a nucleus and other membrane-bound cell organelles.

they can be autotrophic as well as heterotrophic, unicellular as well as multicellular

they include kingdoms like protista, plantae, animalia, fungi et cetera.

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