Ribosome Collection (#3)

Ribosomal RNA, molecular model. Ribosomal RNA (rRNA) is the molecule that translates nucleic acids into proteins. It is found in ribosomes, organelles in cells that perform this function

F / col TEM of polyribosomes from brain cell
False-colour transmission electron micrograph (TEM) of a polyribosome from a human brain cell. Polyribosomes (or polysomes)

Ribosomes, TEM
Ribosomes. Coloured transmission electron micrograph (TEM) of ribosomes (blue) passing through pores in a cells nuclear membrane (red)

Yeast cell, artwork
Yeast cell. Computer artwork showing the structure of a yeast cell

Antibiotic mechanism of action, artwork
Antibiotic mechanism of action. Computer artwork showing the sites where two different families of antibiotics exert their effects on messenger RNA (mRNA)

HIV replication cycle, diagram
HIV replication cycle. Diagram and magnified views showing the retroviral process by which the human immunodeficiency virus (HIV) replicates

Genetic molecular mechanisms, artwork

Protein translation, artwork
Protein translation. Artwork showing the process of translation, the final stage of the production of proteins from the genetic code

E. coli bacterium, artwork
Computer artwork of the inner structure of a e. coli bacterium. Shown are the pili and capsule (yellow), the membrane (green). the ribosome (light blue) and the DNA (blue). E

Mitochondrion, artwork
Mitochondrion. Cutaway artwork showing the internal structure of a mitochondrion. This structure, found in eukaryotic cells, is the site of energy production

Protein synthesis, artwork
peptid

Transcription factor and ribosomal RNA (rRNA). Molecular model showing the 6 zinc fingers of transcription factor IIIA (purple) bound to RNA (ribonucleic acid)

Animal cell anatomy, artwork
Animal cell anatomy. Artwork showing the internal and external anatomy of an animal cell

mRNA leaving the nucleus, artwork. mRNA (messenger ribonucleic acid, orange) is the intermediary molecule between DNA (deoxyribonucleic acid) and its protein product

Ribosomal subunit, molecular model
Ribosomal subunit. Computer model showing the structure of the RNA (ribonucleic acid) molecules in a 50S (large) ribosomal sub-unit. Ribosomes are composed of protein (not seen) and RNA

RNA processing protein, molecular model
RNA processing protein, RNase MRP. Computer model showing the molecular structure of mitochondrial RNase MRP (mitochondrial RNA processing)

Bacterial cell, computer artwork. This is ageneralised bacterium, illustrating features ofdifferent bacterial types that would not becombined in a single cell

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"Unraveling the Intricate World of Ribosomes: The Molecular Architects of Life" Delving into the microscopic realm, we encounter ribosomes - tiny but mighty cellular structures that orchestrate protein synthesis within living organisms. Found in various cell types, including nerve cells and animal cells, these intricate molecular machines play a pivotal role in sustaining life. Under the electron microscope's watchful eye, we witness ribosomes at work. In rough endoplasmic reticulum (ER), they dot its surface like diligent workers on an assembly line. This bustling ER serves as their workplace, ensuring efficient production of proteins crucial for cellular functions. Zooming closer to bacterial ribosomes reveals their simplicity yet remarkable efficiency. These streamlined versions lack the elaborate complexity seen in eukaryotic cells but are equally essential for bacterial survival and reproduction. In nerve cells captured by TEM imagery, ribosomes emerge as vital components responsible for synthesizing specialized proteins required for neuronal communication and function. Their presence highlights their indispensable role in maintaining our complex nervous system's integrity. Cross-section biomedical illustrations unveil the captivating process of protein synthesis guided by ribosomes. With precision akin to skilled architects constructing a building blueprint, these molecular maestros decode genetic information from DNA and assemble amino acids into functional proteins – fundamental building blocks of life itself. Within animal cell structures or human cell cross-sections lies another glimpse into this fascinating world. Nuclei surrounded by nucleoli house countless ribosomes diligently fulfilling their duty amidst a sea of organelles – all working harmoniously to sustain cellular vitality. Venturing beyond animals' borders leads us to plant cells where similar concepts prevail. Conceptual images showcase plant cell components such as nuclei, nucleoli, endoplasmic reticula intertwined with abundant ribosome activity – fueling growth and development while producing necessary proteins unique to plants' needs. As we explore further through microscopic lenses capturing animal or plant cells' intricacies, ribosomes emerge as silent heroes of cellular life.