#MolecularBiology

[linstudy]

November 13, 2024 | i adore the view of my office

[streamlineatrocity]

Today I took one of the most difficult, career defining exams of my life and I passed!! I'm overwhelmed by it honestly. Just to be considered to sit for the (ASCP) MB exam was an achievement in itself & I passed on the first try🎉✨

[everythingaboutbiotech]

Please join this community. It'll be fun and interesting, trust me. ✨

[cellbiologist]

Molecular Biology

"Molecular biologists unravel the complexities of life at the most fundamental level, studying the structure and function of molecules that make up cells. Their work advances our understanding of genetics, protein interactions, and cellular processes, driving breakthroughs in medicine, biotechnology, and environmental science. Through cutting-edge research, molecular biologists are at the forefront of discovering the molecular mechanisms that govern life, contributing to innovations that shape the future of science and healthcare."

[biographiness]

On April 25, from guillotine blades to DNA strands, history weaves its intricate tapestry. On this day, we honor resilience and discovery.🗡️🔬🏔️

Follow👉 @biographiness

[bio-basic-inc]

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[biotechstudentlife]

Carbohydrates MCQ 25 Link in bio ☝️ for more mcqs recommendations #biotechnology #biology #science #microbiology #biotech #biochemistry #molecularbiology #research #genetics #scientist #dna #medicine #laboratory #biotechnologist #cellbiology #lab #microbiologist #medical #chemistry #biotechnologystudent #biologystudent #bio #biologymemes #lifescience #neet #bioinformatics #covid #zoology #microscope #bacteria (at Royal City Nanded) https://www.instagram.com/p/Cp4AbWivdeN/?igshid=NGJjMDIxMWI=

[teachingrounds]

This week's topic is prostate-specific membrane antigen (PSMA). PSMA is a transmembrane glycoprotein that is upregulated in prostate cancer cells, making it an attractive target for both imaging and therapy. In fact, high-grade / more aggressive prostate cancer has higher expression of PSMA than low-grade.

In the membrane, it is a non-covalent homodimer, and upon ligand binding, the complex undergoes endocytosis. The native function of PSMA is not well-understood.

[vindhyavasiniacademy]

[celestialdnagenome]

The Structure and Function of Mitochondria: The Powerhouse of the Cell

Mitochondria are indispensable organelles present in nearly all eukaryotic cells, essential for generating the energy required for various biological functions. Often referred to as the "powerhouses" of the cell, these tiny structures play a critical role in energy production, cellular metabolism, and other vital processes that sustain life. Only eukaryotic organisms like humans, animals, plants, algae, protozoa, and fungi carry mitochondria in their cells. Without mitochondria, life as we know it would not exist.

Energy Production and Cellular Respiration

Mitochondria generate energy in the form of adenosine triphosphate through a process known as cellular respiration. They take nutrients, break them down, and convert them into adenosine triphosphate, the energy currency of the cell. This energy fuels the majority of cellular functions, from muscle contraction to the synthesis of biomolecules.

Unique Features of Mitochondria

Unlike other organelles, mitochondria have unique features that distinguish them:

Dual Membranes:

Mitochondria are enclosed by two membranes—an outer membrane and an inner membrane—each serving distinct functions. The outer membrane contains protein channels called porins, which allow small molecules to pass freely. In contrast, the inner membrane is impermeable to most molecules, requiring specialized transporters for molecular movement. This inner membrane is also the site of adenosine triphosphate production.

Mitochondrial DNA:

Mitochondria possess their own DNA, separate from the nuclear DNA of the cell. This mitochondrial DNA encodes for essential proteins involved in energy production and is inherited exclusively from the mother, making it a valuable tool in tracing maternal ancestry in genetic studies.

Dynamic Nature:

Mitochondria are highly dynamic, constantly undergoing fission and fusion to adapt to the energy demands of the cell. Despite being commonly depicted as oval structures, they form interconnected and ever-changing networks within the cell.

Structural Components of Mitochondria

Mitochondria are divided into distinct compartments, each with specific roles:

The Outer Membrane:

This membrane is permeable to small molecules and houses enzymes with diverse functions.

The Intermembrane Space:

The region between the outer and inner membranes, important in processes like oxidative phosphorylation.

The Inner Membrane:

This membrane contains the protein complexes of the electron transport chain, essential for adenosine triphosphate production. The folds of the inner membrane, known as cristae, increase its surface area, enhancing the efficiency of chemical reactions.

The Matrix:

The space enclosed by the inner membrane, the matrix contains enzymes, mitochondrial DNA, and ribosomes. It is critical for the citric acid cycle and other metabolic processes.

Variability in Mitochondrial Numbers

The number of mitochondria within a cell varies depending on its energy demands. For example, mature red blood cells lack mitochondria entirely, while liver cells can contain more than 2,000. Heart muscle cells, which require constant energy, allocate approximately 40% of their cytoplasmic volume to mitochondria.

Evolutionary Significance

Mitochondria are believed to have evolved from ancient bacteria that entered into a symbiotic relationship with early eukaryotic cells. This endosymbiotic theory explains their unique characteristics, such as having their own DNA and the double-membrane structure.

Additional Roles of Mitochondria

Beyond energy production, mitochondria perform numerous other functions:

Calcium Storage:

Mitochondria regulate intracellular calcium levels, vital for cellular signaling and muscle function.

Heat Generation:

In specialized cells, mitochondria produce heat through a process called thermogenesis.

Apoptosis:

Mitochondria play a key role in programmed cell death, a process critical for maintaining cellular health.

In sperm cells, mitochondria are spirally arranged in the midpiece, providing the energy needed for motility. This unique arrangement underscores the adaptability of mitochondria to meet specific cellular requirements.

While mitochondria are best known as the "powerhouse" of the cell, their functions extend far beyond energy production. They are central to numerous cellular processes, from metabolism and signaling to apoptosis and thermogenesis. Understanding mitochondria's diverse roles underscores their importance in health and disease, cementing their status as one of the most studied organelles in cellular biology.

[ackermanium]

MasteriTitle: Illuminating the Microscopic World: Fluorescent Antibody Labeling (FIA) 🔬✨Post: Explore the groundbreaking technique of Fluorescent Antibody Labeling (FIA) and uncover how it’s revolutionizing biotechnology and medical diagnostics. From visualizing proteins to developing life-saving drugs, FIA is at the forefront of scientific discovery.🔹 Learn the process: antibodies, fluorescence, and imaging. 🔹 Discover its applications in research, medicine, and innovation. 🔹 Dive into the world of molecular biology!Tag your fellow science enthusiasts and join the conversation! 🌟

 #MolecularBiology  #Microscopy #Antibodies #Fluorescence  #ProteinDetection #BiologicalResearch #MedicalDiagnostics #DrugDevelopment #ScientificBreakthroughs #פלואורסצנציה #תיוגנוגדניםפלואורסצנטיים #ביוטכנולוגיה #ביולוגיהמולקולרית #חקרמדעי #מיקרוסקופיה #אבחוןרפואי #פיתוחתרופות #חלבונים #מחקרביולוגי

[linstudy]

14.03.2024, thursday - happy pi day friends!

two days in a row, who is she?

i had a great class today, we spent discussing the paper i have read yesterday and it was a big relief that even the professor admitted it was a hard article to understand. sometimes i feel like i am not smart enough to get a master’s degree because of such papers, it sucks! i believe it is called “imposter syndrome”. anyway.

it was also a great day because i checked my bacteria (that are still very much in need of incubation, 5 days of growth pffff) and there was no contamination we suspected before, yay!

today’s goals:

1. reading the new article which will be presented by another classmate next week and writing the audience report

2. reviewing proteomics class

3. doing more literature research about MALDI-TOF for bacterial identification

[streamlineatrocity]

Studying for my board certification exam. Fuck I'm tired.

[marketprofessional]

Molecular Biology Enzymes, Kits, and Reagents Market

"Unlocking Life’s Blueprint with Molecular Biology 🔬" From groundbreaking research to daily diagnostics, the Molecular Biology Enzymes, Kits, and Reagents Market drives innovation in life sciences. Let’s decode the future, one molecule at a time. 🌱

[chinacleanroomwipes]

Our 8-strip PCR tubes (0.2mL) are built to deliver reliable and accurate PCR amplification. Featuring leak-proof caps to prevent sample contamination and evaporation, these tubes are perfect for DNA/RNA analysis, gene expression studies, and more. Made with high-quality polypropylene, they’re compatible with most PCR machines and 8-strip racks.

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beryl@yaostbio.com

Perfect for any lab working with precision molecular biology experiments.

[bio-basic-inc]

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