Abundant Mitochondria in Red Muscle Cells: ATP Source
Red muscle cells, most commonly found in slow twitch fibers, have abundant mitochondria in order…
Sheeb Margarita
Sarcomeres: “I” and “A” Bands, “M” and “Z” Lines, “H” Zone
Sarcomeres are contractile units of skeletal muscle that divide into “I” and “A” bands, “M”…
Organization of Contractile Elements: Actin and Myosin Filaments, Crossbridges, Sliding Filament Model
In the sliding filament model, the actin and myosin filaments pass each other, forming cross-bridges…
Structural Characteristics of Striated, Smooth, and Cardiac Muscle
Muscle tissue is classified into three types according to structure and function: striated (skeletal), smooth,…
Chemotaxis
Chemotaxis is the ability of a bacterial cell to detect chemical stimuli and move toward…
Parasitic and symbiotic
Prokaryotes can form relationships with other organisms. It can be mutualistic (both benefit), commensal (one…
Existence of anaerobic and aerobic variants
Bacteria exist in aerobic and anaerobic variants; aerobes require oxygen while anaerobes may not require…
Exponential growth
Bacterial growth represents an exponential increase in the number of bacteria; It is a series…
High degree of genetic adaptability, acquisition of antibiotic resistance
The short generation time, random mutations, and mechanisms of genetic recombination (transformation, transduction, and conjugation)…
Reproduction by fission
Prokaryotes reproduce asexually by binary fission. Reproduction in prokaryotes is asexual and takes place by…