12 Questions
What is the second level of the hierarchy of structure in living organisms?
Macromolecules
What is the term for the ability of water to dissolve both ionic and non-ionic molecules?
Solubility
What is the main component of bilayer membranes in cells?
Phospholipids
What is the effect of increased cholesterol in a membrane?
Increased fluidity
What is the primary function of triacylglycerols in the body?
Energy storage
What is the characteristic of amphipathic molecules in solution?
Heads are hydrophilic and tails are hydrophobic
What is the primary function of glucose in cells?
Energy production
What is the primary function of ribosomal RNA (rRNA)?
Catalyzing the formation of peptide bonds
What is the difference between the sugar molecules in DNA and RNA?
DNA has a hydrogen, while RNA has a hydroxyl group
What is the function of messenger RNA (mRNA)?
Acting as messengers between DNA sequences and final protein sequences
What is the characteristic structure of DNA?
A double-stranded helix
What is the function of transfer RNA (tRNA)?
Binding to specific amino acids to deliver them to the ribosome during protein translation
Test your knowledge on the hierarchy of structure, properties of water, and lipids. From monomeric units to supermolecular complexes, and the role of water as a solvent. Learn about the fundamental components of life.
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