22 Questions
Which level of human structure is the simplest according to the text?
Atoms
What is the major function of the Integumentary system?
Protects the body from the external environment
In which fluid compartment does the intracellular fluid (ICF) reside?
Intracellular fluid (ICF)
What is the volume of Total body water in an average adult human as mentioned in the text?
40 L
Which of the following is NOT considered a part of the Macroscopic level of human structure?
Organelle
What is the term used for components dissolved in the solvent in a solution?
Solute(s)
What is the molecular formula for glucose?
C6H12O6
Which type of chemical reaction involves the breakdown of complex molecules into simpler ones?
Decomposition
What is the function of enzymes in chemical reactions?
Increase the rate of reactions
Which of the following is an example of an inorganic molecule?
Sodium Chloride
What type of ions have a positive charge?
Cations
Which statement about pH is correct?
Low hydrogen ion concentration indicates acidity
What is the normal range for plasma pH?
7.35 - 7.45
Which macromolecule class is responsible for providing long-term energy storage, thermal insulation, and protection from mechanical trauma?
Lipids
Which macromolecule class encodes genes and carries hereditary information?
Nucleic Acids
What is the primary function of ATP (Adenosine triphosphate)?
Cellular energy storage and release
Which type of protein is known for its elongated, strand-like structure and stability?
Fibrous proteins
What can cause a protein to denature and lose its shape?
High temperature
What can happen if internal conditions are outside the normal range?
Leads to cell malfunction
Which macromolecule class provides easily accessible energy storage in cells?
Nucleic Acids
'Cell membranes' are primarily composed of which type of lipid?
Phospholipids
Which macromolecule class provides structural material for the body?
Proteins
Learn about atoms, molecules, chemical reactions, enzymes, and the body mass elements such as Oxygen, Carbon, Hydrogen, and more. Understand the composition and significance of these elements in biological processes.
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