Endoplasmic reticulum
The endoplasmic reticulum is an organelle that is responsible for the synthesis of lipids and…
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Nephron structure
The nephron, the functional unit of the kidney, is responsible for removing waste from the…
Impact on biology
Cell theory promoted the study of cells and the field of cell biology and microbiology.…
Deoxyribonucleic acid: DNA; double helix
Deoxyribonucleic acid (DNA) is formed into a double helix structure that consists of two polymer…
Nucleotide and Nucleoside Composition
Nucleotides are composed of a pentose sugar molecule, a nitrogenous base, and a phosphate group.…
Peroxisomes: organelles that collect peroxides
A type of organelle found in both animal and plant cells, a peroxisome is a…
Lysosomes: membrane-bound vesicles containing hydrolytic enzymes
A lysosome is a membrane-bound cell organelle that contains digestive enzymes for breaking down parts of…
Mitochondria
One of the major features distinguishing prokaryotes from eukaryotes is the presence of mitochondria. Mitochondria…
Nucleus
Eukaryotic cells contain membrane-bound nuclei that house the cell’s DNA. The nucleus is the control…
Endocrine control
The endocrine system controls the function of the digestive system at various stages. Hormones that…