Multiple Choice
Which of the following best describes a complete protein?
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4. Biomolecules
Proteins
Multiple Choice
Which type of protein is primarily responsible for fighting disease in the body?
A
Antibodies
B
Genes
C
Insulin
D
Ligaments
Verified step by step guidance1
Step 1: Understand the role of proteins in the body. Proteins are large, complex molecules that perform various functions, including structural support, catalyzing biochemical reactions, signaling, and defense against pathogens.
Step 2: Analyze the options provided. Each term represents a different type of biological molecule or structure: Antibodies (immune defense proteins), Genes (DNA sequences coding for proteins), Insulin (a hormone regulating blood sugar), and Ligaments (connective tissue).
Step 3: Focus on the function related to fighting disease. The immune system uses specialized proteins to identify and neutralize pathogens such as bacteria and viruses. These proteins are called antibodies.
Step 4: Clarify the role of antibodies. Antibodies are produced by B cells (a type of white blood cell) and bind specifically to antigens (foreign substances) to mark them for destruction or neutralize their harmful effects.
Step 5: Conclude that antibodies are the type of protein primarily responsible for fighting disease in the body, as they are directly involved in the immune response.
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