Biological Molecules Proteins MDCAT Quiz: Proteins are such important macromolecules that play a vital role in the human body, especially for MDCAT students who are appearing for the Medical and Dental College Admission Test. Knowing the structure and function of proteins is imperative to excel in biology exams. In this article, we take up in detail the types of proteins, their functions, and how they contribute to various biological processes.
In MDCAT Quiz preparation, important knowledge of protein structure and function could be helpful in answering many tricky questions testing knowledge of biochemistry. Amino acids join to form a polypeptide chain via peptide bond linkages, which folds to give a three-dimensional shape. The shape of a protein directly relates to its function, whether it works as an enzyme, hormone, or structural component. H2: Protein Structure and Function
MDCAT Quiz on Proteins There are basically two main categories of proteins
globular and fibrous. Globular proteins, such as enzymes, act in catalyzing processes, while the main role of fibrous proteins is to provide structural support. Enzymes: one of the most studied types of proteins for MDCAT Quiz preparation. They act as catalysts to speed up chemical reactions within the body. The mechanism of enzymes, their substrate bindings, and active sites must be understood to solve questions related to metabolic pathways in the MDCAT exams.
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Free Flashcard on Proteins For effective MDCAT preparation
using a Free Flashcard can help reinforce the various protein functions and structures. These flashcards provide quick and easy access to important protein concepts such as amino acid sequences, denaturation, or protein synthesis. Going through each of these flashcards one by one regularly will increase your confidence in identifying a protein-related question and strengthen your chance of scoring high in your MDCAT exam. Protein Synthesis is another important topic that is covered regularly in MDCAT exams, and the understanding of how ribosomes translate information from genes to functional proteins is not only important but also vital.
What is the basic building block of proteins?
Amino acids
What type of bond links amino acids together in proteins?
Peptide bond
Which of the following is a carbohydrate?
Glucose
What is the primary function of carbohydrates in living organisms?
Provide energy
Which type of biological molecule is used for long-term energy storage in animals?
Lipids
What is the monomer of nucleic acids like DNA and RNA?
Nucleotide
What is the main function of nucleic acids in living organisms?
Store and transmit genetic information
What is the role of enzymes in biological reactions?
Speed up reactions
Which of the following is a monosaccharide?
Glucose
What is the primary structure of a protein determined by?
The sequence of amino acids
Which of the following is a type of lipid?
Phospholipid
What is the process called by which enzymes lower the activation energy of a reaction?
Catalysis
What is the primary function of proteins in living organisms?
Catalyze biochemical reactions
Which molecule is the main energy currency of cells?
ATP
What type of sugar is found in DNA?
Deoxyribose
What is the function of RNA in protein synthesis?
Carry genetic information
Which of the following is an example of a disaccharide?
Sucrose
What molecule is produced during the breakdown of glucose in glycolysis?
Pyruvate
What is the main component of cell membranes?
Phospholipids
What is the structure of a triglyceride?
Three fatty acids and one glycerol molecule
Which type of molecule is an enzyme?
Protein
What is the function of chlorophyll in photosynthesis?
Absorb light energy
What is the polymer form of glucose?
Starch
What is the building block of nucleic acids like DNA and RNA?
Nucleotides
Which molecule is primarily responsible for storing genetic information?
DNA
Which of the following molecules is a polysaccharide?
Starch
Which macromolecule contains nitrogen, carbon, hydrogen, and oxygen?
Protein
What is the function of lipids in the body?
Energy storage and insulation
What type of reaction breaks down polymers into monomers?
Hydrolysis
Which of the following is a feature of all proteins?
Contain nitrogen atoms
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