#insects #spider #bloomscrolling #carrot #Apiaceae #white #flower #camouflage #guanine #chameleon #krabspin
❛❛ #adenine #guanine #cytosine #thymine & #uracil … necessary to build #DNA & #RNA … traces of important organic compounds like xanthine, hypoxanthine, & nicotinic acid (#vitamin B3).
In addition to suggesting that life could exist elsewhere in the #universe, the #molecules found on Bennu raise provocative questions about the #origins of #life on #Earth. ❜❜
#Bennu #asteroid was discovered in 1999 & sampled in 2020.
🔗 https://www.Salon.com/2025/01/30/building-blocks-of-life-discovered-on-asteroid-bennu/ 2025 Jan 30
🔗 https://Wikipedia.org/wiki/101955_Bennu
The Basics of Purines and Pyrimidines: Understanding the Building Blocks of DNA and RNA
#Adenine, #CellSignaling, #Cytosine, #DNA, #EnzymeRegulation, #Guanine, #Purines, #Pyrimidines, #RNA, #Thymine, #Uracil #Genetics In the realm of molecular biology, few molecules are as crucial as purines and pyrimidines. These organic compounds serve as…. Medical Microbiology & Recombinant DNA Technology (RDT) Labs | Read More -
#Adenine, #CellSignaling, #Cytosine, #DNA, #EnzymeRegulation, #Guanine, #Purines, #Pyrimidines, #RNA, #Thymine, #Uracil #Genetics In the realm of molecular biology, few molecules are as crucial as …
Deciphering the Blueprint of Life: Exploring the Structure of DNA
#Adenine, #Blueprint, #Cytosine, #DeoxyriboseSugar, #DNA, #DNACoiling, #DoubleHelix, #Guanine, #Histone, #MajorGroove, #MinorGroove, #NitrogenousBases, #Nucleotide, #Phosphate, #StructureOfDNA, #Thymine, #WatsonAndCrick #Biochemistry, #Genetics The discovery of the structure of DNA stands as one of the most significant milestones in the history of science. Deoxyribonucleic acid, or DNA, is the molecule…
Study elucidates how ionizing #radiation damages #DNA.
High doses of X-rays and other kinds of ionizing radiation can damage the DNA present in the cell nucleus, a phenomenon which can both lead to the development of cancer in humans and be used to kill cancer cells. This damage to DNA occurs through two mechanisms: one involves the direct physical impact of ionizing particles; the other is indirect, involving an attack on nucleic acids by chemical species arising from water radiolysis (the decomposition of hydrogen bonds between H2O molecules).
A winding road: Mapping how #singlet #oxygen molecules travel along #DNA strands.
https://phys.org/news/2023-01-road-singlet-oxygen-molecules-dna.html
Nucleic acid-targeting photodynamic therapy (PDT) is a promising type of targeted therapy that is being actively researched. This treatment relies on special photosensitizers, a type of drug that binds at specific locations in a cell's DNA. Once bound, the cells are irradiated at a precise frequency, which in turn causes the photosensitizer to produce reactive oxygen species (ROS) or singlet oxygen (1O2) molecules. These molecules tend to oxidize nearby nucleic acids, damaging the genetic material and ultimately killing the irradiated cell.