A&P EXAM 1 THE CELL BMCC BIO 425 | Questions & Answers (100 %Score) Latest
Updated 2024/2025 Comprehensive Questions A+ Graded Answers | With Expert Solutions
What is a cell? - The basic unit of life
List the levels of organization from the atom to the cell. - 1)ATOM
2) MOLECULE
3)ORGANELLE
4)CELL
What is an organelle? - A object inside a cell that has a specific function. "organ of the cell"
Draw a cell, with all its organelles and label them. -
Describe the plasma membrane of a eukaryotic cell. - the outer boundary of the cell
What is (are) the functions of the plasma membrane? - to keep shape of the cell. to keep the material in
and foreign objects out
What is the chemical composition of the plasma membrane? - double layer of phospholipids in which
proteins are embedded.
What is the name of the cellular compartment located between the nucleus and the cell membrane? -
cytoplasm-the fluid material between the nucleus and the plasma membrane
Name the 2 components of the cytoplasm. - organelles and cytoskeleton
Give a description of the cytosol? - Intracellular fluid,
What is the cytosol made of? - contains dissolved nutrients, ions, soluble and insoluble proteins, and
waste products
, Describe 3 anatomical features of the nucleus. - 1) Nucleus: sphere structure
2) nuclear envelope: separates the nucleus from the cytoplasm
3)Pores: controls movement between the nucleus & cytoplasm
Explain what is (are) the function(s) of the nucleus? - Ribosome synthesis & Stores DNA
Describe 3 anatomical features of mitochondria. - 1) matrix
2)ribosomes
3) cristae
Explain what is the function of the mitochondria? - site of ATP synthesis; powerhouse of the cell.
List 3 anatomical features of the ribosomes. - small particles of RNA and protein found through out the
cytoplasm in all cells, produce proteins by following coded instructions from the DNA
Explain what is (are) the function (s) of the ribosomes? - The sites of protein synthesis.
List 3 anatomical features of the endoplasmic reticulum. - Smooth ER
Rough ER *has robosomes
Explain what is (are) the function (s) of the endoplasmic reticulum? - A network of channels running
through the cytoplasm of a cell that serves in intracellular transportation, support, storage, synthesis,
and packaging of molecules. Portions of ER where ribosomes are attached to the outer surface are
called rough ER; portions that have no ribosomes are called smooth ER.
List 3 anatomical features of the Golgi complex. - Smooth flattened, disk-like membrane-bound
cisternae
Explain what is (are) the function (s) of the Golgi complex? - 1) Synthesis of complex polysaccharides
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