This Is So Rad! And The Person That Reblogs These Also Makes Sure That Every Artist Is Credited So You

The Washington Post, May 19, 1912

happy vlaentine :)

This is so cool! And it’s already great at giving me ideas for some stories! Thank you so much!

johnny’s gang-misfit

Happy holidays @gatortavern, this is your @pnatsecretsanta gift! I’m so sorry it’s late, I was battling with my laptop every step of the way, but it’s here now! Enjoy!

Young American Alligators Can Regrow Their Tails, Study Shows

http://www.sci-news.com/biology/young-american-alligators-can-regrow-their-tails-09084.html

Exploring the Marvels of Biological Macromolecules: The Molecular Machinery of Life (Part 3)

Proteins and Enzymes: Catalysts of Molecular Reactions

Proteins are the central players in macromolecular interactions. Enzymes, a specialized class of proteins, catalyze biochemical reactions with remarkable specificity. They bind to substrates, facilitate reactions, and release products, ensuring that cellular processes occur with precision.

Protein-Protein Interactions: Orchestrating Cellular Functions

Proteins often interact with other proteins to form dynamic complexes. These interactions are pivotal in processes such as signal transduction, where cascades of protein-protein interactions transmit signals within cells, regulating diverse functions such as growth, metabolism, and immune responses.

Protein-Ligand Interactions: Molecular Recognition

Proteins can also interact with small molecules called ligands. Receptor proteins, for instance, bind to ligands such as hormones, neurotransmitters, or drugs, initiating cellular responses. These interactions rely on specific binding sites and molecular recognition.

Protein-DNA Interactions: Controlling Genetic Information

Transcription factors, a class of proteins, interact with DNA to regulate gene expression. They bind to specific DNA sequences, promoting or inhibiting transcription, thereby controlling RNA and protein synthesis.

Membrane Proteins: Regulating Cellular Transport

Integral membrane proteins participate in macromolecular interactions by regulating the transport of ions and molecules across cell membranes. Transport proteins, ion channels, and pumps interact precisely to maintain cellular homeostasis.

Cooperativity and Allosteric Regulation: Fine-Tuning Cellular Processes

Cooperativity and allosteric regulation are mechanisms that modulate protein function. In cooperativity, binding one ligand to a protein influences the binding of subsequent ligands, often amplifying the response. Allosteric regulation occurs when a molecule binds to a site other than the active site, altering the protein's conformation and activity.

Interactions in Signaling Pathways: Cellular Communication

Signal transduction pathways rely on cascades of macromolecular interactions to transmit extracellular signals into cellular responses. Kinases and phosphatases, enzymes that add or remove phosphate groups, play pivotal roles in these pathways.

Protein Folding and Misfolding: Disease Implications

Proteins must fold into specific three-dimensional shapes to function correctly. Misfolded proteins can lead to Alzheimer's, Parkinson's, and prion diseases. Chaperone proteins assist in proper protein folding and prevent aggregation.

References

Voet, D., Voet, J. G., & Pratt, C. W. (2016). Fundamentals of Biochemistry: Life at the Molecular Level. Wiley.

Lehninger, A. L., Nelson, D. L., & Cox, M. M. (2017). Lehninger Principles of Biochemistry. W. H. Freeman.

Berg, J. M., Tymoczko, J. L., & Stryer, L. (2002). Biochemistry. W. H. Freeman

I love them. Such a goofy dude.

Another sketch brought to you by #Paleostream

Brachiosuchus, a dyrosaurid from the late cretaceous of Sudan. Dyrosaurids are in general already weird crocodilians but Brachiosuchus is extra bizarre because of it's very long arms, that are quite a bit longer than it's hindlimbs. it also has a skull the size of it's torso and tall neural spines.

if you know you know

Last few posts (including this one) aren’t gator-related so they feel a little weird to reblog but hey I need a palate cleanser and maybe this will brings others joy too

when we try to befriend cats we mimic their meows and get down on the ground to their level and try to gently coax them to interact with us right

that horrifying entity mimicking human noises at us maybe just thinks we’re cool and wants to pet us?

Symbolism Associated With Flowers For Writers

Acacia: Since ancient times, acacia has been associated with purity and innocence. It is also a symbol of resurrection and new beginnings.

Amaryllis: Amaryllis is a symbol of passion and desire. It is also associated with strength and courage.

Anemone: Anemone is a symbol of grief and sorrow. It is also associated with hope and new beginnings.

Azalea: Azalea is a symbol of love, passion, and desire. It is also associated with beauty and elegance.

Carnation: Carnation is a symbol of love, affection, and appreciation. It is also associated with motherhood and childbirth.

Chrysanthemum: Chrysanthemum is a symbol of longevity, happiness, and good luck. It is also associated with death and mourning.

Daisy: Daisy is a symbol of innocence, purity, and simplicity. It is also associated with childhood and new beginnings.

Delphinium: Delphinium is a symbol of wisdom, knowledge, and understanding. It is also associated with royalty and nobility

Frangipani: Frangipani is a symbol of love, passion, and desire. It is also associated with beauty and elegance.

Gardenia: Gardenia is a symbol of purity, innocence, and grace. It is also associated with love and admiration.

Gerbera Daisy: Gerbera daisy is a symbol of new beginnings, happiness, and joy. It is also associated with optimism and hope.

Hyacinth: Hyacinth is a symbol of love, passion, and desire. It is also associated with grief and sorrow.

Iris: Iris is a symbol of faith, hope, and wisdom. It is also associated with royalty and nobility.

Lily: Lily is a symbol of purity, innocence, and chastity. It is also associated with resurrection and new beginnings.

Lily of the Valley: Lily of the valley is a symbol of purity, innocence, and sweetness. It is also associated with new beginnings and springtime.

Magnolia: Magnolia is a symbol of love, beauty, and elegance. It is also associated with femininity and motherhood.

Orchid: Orchid is a symbol of love, passion, and desire. It is also associated with beauty, rarity, and luxury.

Rose: Rose is the most popular flower in the world and has a wide range of symbolism. It can symbolize love, passion, desire, beauty, romance, friendship, gratitude, and respect.

Tulip: Tulip is a symbol of love, passion, and desire. It is also associated with springtime and new beginnings.

Why Symbolism With Flowers Is Important For Writers

Flowers can be used to foreshadow events or themes in a story. For example, a writer might use a white rose to foreshadow a character's death, or a red rose to foreshadow a romantic encounter.

Flowers can be used to represent characters' emotions or motivations. For example, a character who is feeling sad might be described as holding a wilted flower, or a character who is feeling passionate might be described as surrounded by roses.

Flowers can be used to create symbolism that is specific to a particular culture or region. For example, in some cultures, the lotus flower is a symbol of purity and enlightenment, while in other cultures, it is a symbol of death and rebirth.