Multiple Choice
Which protein in blood is primarily responsible for carrying oxygen?
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4. Biomolecules
Proteins
Multiple Choice
Which type of protein is primarily responsible for fighting disease in the body?
A
Ligaments
B
Insulin
C
Genes
D
Antibodies
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: Recognize that antibodies are a specific type of protein. They are produced by B cells (a type of white blood cell) and are part of the immune system.
Step 3: Learn how antibodies function. Antibodies bind to antigens (foreign substances like bacteria, viruses, or toxins) to neutralize them or mark them for destruction by other immune cells.
Step 4: Differentiate antibodies from other proteins listed in the options. Ligaments are connective tissues, not proteins. Insulin is a hormone that regulates blood sugar levels, and genes are segments of DNA that code for proteins.
Step 5: Conclude that antibodies are the correct answer because they are the proteins primarily responsible for fighting disease in the body by targeting and neutralizing pathogens.
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