Biology: Proteins

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Questions on this quiz are based on information from
Biology: Proteins.

1) Which of the following is NOT one of the four main elements of an amino acid?   Hydrogen   Carbon   Nitrogen   Calcium   Oxygen 2) How many different kinds of amino acids are in our bodies?   4   12   20   180   1,000 3) True or False: ALL amino acids in our bodies come from food.   TRUE   FALSE          4) Proteins are made up of:   Short strands of RNA   Short strands of amino acids   Long chains of RNA   Long chains of amino acids   Different combinations of RNA and amino acids 5) What percentage of the human body is made up of proteins?   5%   10%   20%   50%   100% 6) Why are proteins important?   Proteins are essential for survival   There are thousands of different proteins in the human body   Proteins provide all sorts of functions   Every cell in the human body uses proteins   All of the Above 7) Where are the instructions for how to make a protein located in a cell?   Membrane   Lysosomes   Ribosomes   Nucleus   Mitochondria 8) Which type of protein is found in cartilage or tendons?   Structural   Defensive   Transport   Catalysts   Enzymes 9) Catalysts perform which of the following functions?   Carry essential nutrients around our bodies   Assist in chemical reactions   Convert DNA into RNA   Provide structure for our bodies   Protect us from disease 10) The protein hemoglobin, which carries oxygen in our red blood cells, is an example of what type of protein?   Structural   Defensive   Transport   Catalysts   Enzymes