Biology, 02.09.2020 23:01 KingSam623

Question 1 (1 point) Which of the following is NOT one of the four main elements of an amino acid? Question 1 options: Nitrogen Calcium Oxygen Hydrogen Carbon Question 2 (1 point) Hemoglobin is a protein that carries oxygen from the lungs to the other parts of the body. Which type of protein is hemoglobin? Question 2 options: Contractile Structural Hormone Transport Question 3 (1 point) What are the building blocks of proteins? Question 3 options: monosaccharides amino acids nucleotides fatty acids

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calcium is not a main element of calcium . question 2 hemoglobin is a globular protein with an embedded heme group. so a transportation protein and question 3 the building blocks of proteins are amino acids.

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Answer from: rosie20052019

1. The element that is not part of the four main elements of amino acids would be calcium

2. Hemoglobin is a type of transport protein.

3. The building blocks of proteins are amino acids.

Amino acids represent the building blocks of proteins. They are made up of four main elements in the form of carbon, nitrogen, oxygen, and hydrogen. Some amino acids have other elements such as sulfur in methionine and cysteine. Amino acids are joined together by peptide bonds to form proteins.

Hemoglobin is a protein molecule whose characteristic red coloration is caused by the presence of iron. The molecule is found abundantly in the blood of mammals and primarily serves as an oxygen transporter in the circulatory system. Hemoglobin reversibly bonds with oxygen in the lung to form bright red oxyhemoglobin. The oxygenated blood is then transported around the body during which the oxyhemoglobin bond is broken to release oxygen to different cells of the body.

In summary, calcium is not part of the four main elemental compositions of amino acids, amino acids are the building blocks of proteins, and hemoglobin is primarily a transport protein.

More about proteins and amino acids here: link

Answer from: Quest

a "theory" a suggestion that is not 100 % accurate, or a figure. some people say its a theory because they of all the passed theory's about one subject. it depends sometimes theory might be accurate and sometimes they are.

Answer from: Quest

Im not sure if you still need this but the answer is 300 hz450 hz i just did this lesson so , wish you the best of luck and take care

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Question 1 (1 point) Which of the following is NOT one of the four main elements of an amino acid? Q...

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