BIO 2113 Exam (Ch 1-3) Test
Questions with Guaranteed Pass
Solutions.
The human cell contains 3 main parts: - Answer plasma/cell membrane, cytoplasm, nucleus
plasma membrane - Answer the outer boundary of the cell, which acts as a selectively
permeable barrier
cytoplasm - Answer the intracellular fluid packed with organelles
nucleus - Answer an organelle that controls cellular activities
4 concepts of cell theory - Answer 1. Cells are the most basic structural and functional units of
life.
2. The activity of an organism depends on the activity of its cells.
3. Biochemical activities of a cell are dictated by its organelles.
4. The continuity of life has a cellular basis.
the largest human cell - Answer ovum
the structure of phospholipids - Answer polar hydrophilic head and nonpolar hydrophobic tail
The plasma membrane consists of a - Answer bi-layer of phospholipids
20% of membrane lipid is - Answer cholesterol
Membrane proteins perform many tasks: - Answer transport, receptors for signal
transduction, enzymatic activity, cell-cell recognition, attachment to the cytoskeleton and
extracellular matrix, cell-to-cell joining
two distinct populations of membrane proteins - Answer integral and peripheral
Questions with Guaranteed Pass
Solutions.
The human cell contains 3 main parts: - Answer plasma/cell membrane, cytoplasm, nucleus
plasma membrane - Answer the outer boundary of the cell, which acts as a selectively
permeable barrier
cytoplasm - Answer the intracellular fluid packed with organelles
nucleus - Answer an organelle that controls cellular activities
4 concepts of cell theory - Answer 1. Cells are the most basic structural and functional units of
life.
2. The activity of an organism depends on the activity of its cells.
3. Biochemical activities of a cell are dictated by its organelles.
4. The continuity of life has a cellular basis.
the largest human cell - Answer ovum
the structure of phospholipids - Answer polar hydrophilic head and nonpolar hydrophobic tail
The plasma membrane consists of a - Answer bi-layer of phospholipids
20% of membrane lipid is - Answer cholesterol
Membrane proteins perform many tasks: - Answer transport, receptors for signal
transduction, enzymatic activity, cell-cell recognition, attachment to the cytoskeleton and
extracellular matrix, cell-to-cell joining
two distinct populations of membrane proteins - Answer integral and peripheral
