20 Questions
Which organelles give insight into the job that a cell specializes in?
Ribosomes
What is the process by which undifferentiated cells become specific types of cells with different functions?
Differentiation
Which phase of the cell cycle involves the splitting of the cytoplasm to form two identical daughter cells?
Mitosis
What is the purpose of enzymes in biochemical reactions?
To speed up reactions by lowering activation energy
Which organelle is responsible for breaking down dead material and performing programmed cell death?
Lysosome
Which organelle is involved in making proteins and can be found on the surface of the Rough ER or floating in the cytoplasm?
Ribosomes
What is the function of the mitochondria?
Perform cellular respiration
What is the function of carbohydrates?
Provide energy for the cell
Which of the following is NOT a characteristic of living organisms?
Made of cells
What is the main function of the phospholipid bilayer in a cell?
Controls what goes in and out of the cell
What is the smallest part of an organism that is still capable of all of life’s processes?
Cell
Which type of cells are found in plants, animals, fungi, and protista?
Eukaryotic cells
Which type of signaling involves molecules that bind to receptors located on the surface of the cell?
Endocrine signaling
What is the net movement of water when a cell is placed in a hypertonic solution?
Water moves out of the cell
What type of transport protein allows specific molecules like ions to pass through the cell membrane?
Channel protein
Which statement about catalysts is true?
Biological catalysts are usually lipids
Which type of bond is formed when a ligand binds to a receptor protein?
Hydrogen bond
Which molecule serves as an intermediate between the receptor and the cascade of responses in signal transduction?
Second messenger
What are the two main mechanisms of signal transduction?
Phosphorylation and dephosphorylation
What are the two possible responses triggered by signal transduction?
Ion channel opening and enzyme activity alteration
Test your knowledge on the diverse functions of proteins in the human body. Explore concepts such as enzymes, signaling pathways, structural components, and more. Learn how DNA and genes play a role in protein synthesis.
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