Question

exploration activity? proteins are large molecules in your body that perform a vast amount of tasks. they play a role in functions such as digestion, sight, movement, transporting other molecules throughout the body, and dna replication. there are over 100,000 different proteins in the human body. in this section, you will learn how proteins are made from your dna in a process called protein synthesis. proteins are made up of chains of smaller molecules called amino acids. amino acids are made up of the elements carbon, hydrogen, nitrogen, oxygen, and sometimes sulfur. we use 20 different amino acids to build proteins. your body can produce 12 of the amino acids needed for these proteins. the order of the amino acids in the chain determine a proteins structure and function in the body. if a protein has the incorrect amino acids, it can change the structure of the protein molecule. this can prevent the protein from working properly or at all. 1. if your body only produces 12 of the amino acids needed to make proteins, where do you think we get the other 8 from? 2. how do you think it is possible to create over 100,000 different proteins from just 20 amino acids? 3. what is an example of another molecule in your body that is made up of a chain of smaller molecules?

Explanation:

1. The 8 amino - acids that the body cannot produce are called essential amino acids. We obtain them from the food we eat, such as meat, dairy, eggs, and plant - based sources like beans and nuts.
2. Proteins are made from long chains of amino acids. The order, number, and combination of these 20 amino acids can vary greatly. Different sequences result in different protein structures and functions, allowing for the creation of over 100,000 different proteins.
3. DNA is a molecule in the body made up of a chain of smaller molecules called nucleotides. Each nucleotide contains a sugar, a phosphate group, and a nitrogen - containing base.

Answer:

1. We get the other 8 amino acids from the food we consume.
2. Different sequences, numbers, and combinations of the 20 amino acids can create a vast variety of proteins.
3. DNA, which is made up of nucleotides.