#BiologyFacts

[universitycancercentres]

Symptoms Of Kidney Cancer

Look at these symptoms before it's too late. Want to know more? Click on the link in the bio.

[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.

[kids-worldfun]

[gabbyandmercy]

Amazing Fun Facts About the Human Body! | Gabby & Mercy

Discover incredible and fun facts about the human body in this quick and exciting video! From your amazing brain to the wonders of your heart, learn something new about the body you live in. Perfect for curious kids and grown-ups alike. Watch now and be amazed! #funfacts, #humanbody, #amazingfacts, #kidseducation, #scienceforkids, #quickfacts, #biologyfacts, #educationalshorts, #bodytrivia, #brainfacts, #heartfacts, #interestingfacts, #kidslearning, #funlearning, #shortvideos, #kidsscience #moral #moralstories story #childrenstorieswithamoral #kidsvideos #nurseryrhymes #nurseryrhyme #nurseryandprep #preschool #funfacts #funforkids #funfact ✅ Subscribe to my channel Gabby & Mercy for more fun videos: https://www.youtube.com/@GabbyAndMercy https://www.youtube.com/channel/UCde68JxF6O9SG00Ll3IE6vg ============================= ✅ Recommended Playlists 👉 Gabby & Mercy - Where imagination meets playtime: https://www.youtube.com/watch?v=0n9J4n9eel0&list=PL3qpBbJSexFjfcHZgPIYs-6_jAsxQKriP ✅ Other Videos You Might Be Interested In Watching: 👉 Revolutionizing the Classic Game of Tag with the Tagger! https://www.youtube.com/watch?v=0n9J4n9eel0&t=3s 👉 Swinging Solo: Mercy's Tips for Swinging Without a Push: https://www.youtube.com/watch?v=Fe0vLGlOrNc 👉 Flying Our Minecraft Kite: Follow-Up Video: https://www.youtube.com/watch?v=2rZTzZCU55E 👉 Get Ready for Fun in the Sun with Our Minecraft Kite Unboxing: https://www.youtube.com/watch?v=2KEJzAhU6Qo 👉 Our Toy store partner - Find the Perfect Toys and Games for Kids at KiddieKraze: https://www.KiddieKraze.com 👉 Trading Partner: https://tradefuturespro.com 👉 modernlifestyle360: https://modernlifestyle360.com/ 👉 get Best Deals: https://getbestdeals.net/ 👉 Top Trending products: https://toptrendproductshq.com/ ============================= ✅ About Gabby & Mercy: Welcome to Gabby & Mercy - Where imagination meets playtime! On this channel, two siblings, Gabby (10 years old) and Mercy (5 years old), share their love of playtime, imagination, and discovery with kids all around the world. Gabby is the older brother who loves to invent new games and explore the world, while Mercy is his younger sister who is always up for a silly adventure. Our videos are packed with exciting challenges, games, crafts, science experiments, and more - designed to inspire young minds' creativity and curiosity. Whether you're looking for DIY projects, toy reviews, or just some silly fun, we've got you covered! So, come join the adventure with Gabby and Mercy, and let's explore the world together! Don't forget to subscribe to our channel and hit the notification bell, so you never miss a new video! 🔔 Subscribe to my channel Gabby & Mercy for more adventurous & Fun Videos on Youtube: https://www.youtube.com/@GabbyAndMercy https://www.youtube.com/channel/UCde68JxF6O9SG00Ll3IE6vg ================================= #GabbyAndMercy #Gabby #Mercy #Kids #KidsVideos #kidsDIY #KidsBedTimeStories #Kidsnurseryrhymes Disclaimer: We do not accept any liability for any loss or damage which is incurred by you acting or not acting as a result of listening to any of our publications. For all videos on my channel: This information is for general & educational purposes only. Always consult with an attorney, CPA, or financial professional for advice based on your specific situation Copyright Disclaimer: Under Section 107 of the Copyright Act 1976, allowance is made for "fair use" for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favor of fair use © Gabby & Mercy

[sciencefor]

Did You Know?

Contrary to what many of us were taught, our tongues do NOT, in fact, have taste 'zones. Our taste receptors are distributed across our tongues, and even parts of our soft palettes and throats.

#didyouknow #sciencefacts #biologyfacts #tongue #oursenses

[studybiochemwithme]

😁 . . #studybiochemwithme #studytips #neet #science #biology #chemistry #class12 #school #interestingfacts #bio #biologyfacts #chemistryfact #chemistrylovers #biologylovers #jee #mbbs #pharmacy #bds #scientific #learn #biochem #chem #chemicalreaction #biotechnology #biochemistry #biologist (at Khandwa The City Of Shree Dadaji Dhuniwale) https://www.instagram.com/p/CE-r21Ynygz/?igshid=1ec4yltzzrr0z

[universitycancercentres]

Ways To Prevent Kidney Cancer

Taking these precautionary steps can help you prevent kidney cancer. Want to know more? Click on the link in the bio.

[atomstalk]

A mesmerising display of bioluminescence or ‘Sea Sparkle’ along the Sapphire Coast, New South Wales, Australia. . This amazing phenomenon is caused by "Noctiluca scintillans", a free-living, marine-dwelling species of dinoflagellate(an algae). . Its bioluminescence is produced by a reaction between two chemicals named luciferin and luciferase. This reaction occurs in a subunit of its cell called as scintillons. . 📷 Credits: @davey_rogers . Follow @atomstalk  Follow @atomstalk  Follow @atomstalk . ~~~~~~~~~~~~~~~~~~~~~~~~~~~ 👇Tag someone interested🔖⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣ 📩 Save to watch this daily ⏰⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣ 🤝 Share with the interested😃⁣ ⁣⁣ ~~~~~~~~~~~~~~~~~~~~~~~~~~~ . . #bioluminescence #bioluminescent #bioluminescentwaves #bioluminescentplankton #natureisbeauty #beautifulnatures #naturephotographylover #natureloversofinstagram #natureloversforlife #biologystudent #sciencestudent #biologyfacts #cellbiology #microalgae #algae #oceanglow #seasparkle https://www.instagram.com/p/CANj2DVDmDx/?igshid=16yb15vt9w15d

[sciencegyan]

The femur (thigh bone) is the longest bone in the human body. #sciencefacts #biologyfacts #humanbodysystems #humanbodyfacts #sciencegyan #humanbodystudies #factsdaily #humanbodyisamazing #humanbody #sciencefactslover #humanbodypart #sciencefactsdaily #humanbodyparts https://www.instagram.com/p/CVIxDQgvecs/?utm_medium=tumblr

[aliscience]

https://aliscience.in/reproductive-health-in-hindi/

[factzworld123]

Heart of Blue Whale.... Amazing fact😍... Like 👍 share and comment your reaction below ⬇️⬇️.... #facts💯💯💯 #factsforlife #coolfacts #whale #sciencefacts #biologyfacts #ocean #amazingfact @factopia999 @thegreatfactss @factopinn @facts_of_mind #knowledgeable https://www.instagram.com/p/CQkmCHYDJpP/?utm_medium=tumblr

[drmicrobiologist]

Here we start with some deadly microorganisms👻 . . . . Contributed by @ayeshanaseem_ #microbiologist #microscope #microbiology #microbiologylab #drmicrobiologist #fatalmicrobes #microbes #science #sciencefacts #sciencestudent #biology #biologyfacts #lovebiology #study #studygram (at Germany, Europe) https://www.instagram.com/p/CKA52nMjQgF/?igshid=1hnprmteilzhb

[zealmaxortho]

The “funny bone” is the spot at the back of your elbow where the ulnar nerve rests against the humerus. There are thoughts on where the name “funny bone” originated. It may be based on the sound resemblance between the name of the upper arm bone, the “humerus” and the word “humorous”. . . #funny #funnybones #funfact #medical #biology #biologyfacts #medicalfacts #joke # medicalschool #bone #nerve #bones #ulna #radius https://www.instagram.com/p/CMhYz_SMOWu/?igshid=5zm5uo8p2hzj

[ontesta]

RNA Vs DNA . . . . . . . #ontesta #onlinetestseries #rnavsdna #guess #dna #rna #chemistry #chemistrymemes #chemistrynotes #chemistrylove #chemistrylove #chemistrylab #biologynotes #biologymemes #biologystudent #biologyfacts #biologyfacts #biologyjokes #biologyteacher #biologylovers #physics #physicsquotes #physicslove #lifescience #science #neet #csirnetlifesciences #csir #webseries #sciencewebseries https://www.instagram.com/p/CJqxonuhP1Q/?igshid=1skp9km5rgwld