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Gold Silk 1 Strand Round Chalcedony Bead Earrings Sale Price: $29.00  |
Strand Round
 5 Strands 6 7mm White Freshwater Pearl Round Beads 15 US $17.58 
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 8mm Round Black Lava Rock Gemstone Beads Strand 15 US $2.28
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 NATURAL 10MM ROUND TOP QUALITY HONEY BALTIC AMBER BEAD STRANDS ALLUREGEM US $118.99
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 5mm Wholesale 9strand Mixed Cloisonne Round Loose Bead US $78.19
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 155 STRAND 6MM ROUND RAINBOW FLUORITE BEADS sg4 US $6.99
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 4mm round gemstone tiger eye stone beads strand 15 US $2.84
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 153MM 222MM Larimar Smooth Round Bead 155 Strand US $4,950.00
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 Green Blue Turquoise Gem Round Beads 6mm 155 In Strand US $3.67
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 152MM 185MM Larimar Smooth Round Bead 155 Strand US $4,550.00
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 Lapis Lazuli Round Gemstone Loose Beads Strand 047 FASHION US $7.47
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 Yellow Dragon Veins Agate Gem Round Beads 8mm Strand HOT US $3.51
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 Purple Garnet Gemstone Gem Stone Round 4mm Beads Strand HOT US $2.96
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 Round Ball Stripe Agate Gem Stone Loose Beads 039 Strand US $4.94
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 Red Pink Laguna Lace Agate D Round Beads 8mm 155 Inch Strand US $6.49
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 Round Spiral Shell Loose Beads Red White 055 Strand HOT US $5.82
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 Round Shape Pyrite Gemstone Gem Loose Beads 8mm Strand FASHION US $6.37
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 5 strands 15 8 9mm white freshwater pearl round beads US $19.99
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 Midnight Blue Goldstone 4mm Round Beads 15 In Strand US $3.95
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 Round Lapis Lazuli Gem Stone Loose Beads Strand 10mm HOT US $6.04
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 z4140 1 Strand 55mm Round Mother of Pearl GEM Shell Loose Beads Coin US $1.29
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 Black Round Evil Eye Murano Lampwork Glass Beads Strand 055 US $5.38
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 3 Strands Round Red Sea Sponge Coral Gem Stone Beads FASHION US $7.58
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 Ocean Turquoise Jasper Round Beads 6mm 155 Inch Strand US $4.74
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 Gray White Lace Agate 4mm Round Beads 16 In Strand US $4.19
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 2 Strands Button Round Flower Lampwork Murano Glass Beads 079 US $7.47
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 10 strands 6mm AA white round freshwater pearl beads US $36.99
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 10MM GORGEOUS GOLDSTONE ROUND GEMSTONE BEADS 1 STRAND US $5.99
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 6x Strands Grey Faceted Round Agate Beads 12mm 111067 US $45.98
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 20mm round cream Opalite semi precious beads strand 15 US $6.13
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 16MM ROUND WHITE ROCK CRYSTAL QUARTZ GEMSTONE BEADS STRANDS 15 US $15.19
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 15 Strand AAA AMETHYST 4mm Round Beads US $12.95
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 Antique 1300 Yr OLD Roman EYE Glass Bead Strand Rough Round US $3,995.00
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 3MM Natural Turquoise Gemstone Round Loose Beads 1 Strand 16L US $5.95
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 3mm round gemstone silver gray pyrite beads strand 15 US $3.46
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 10MM NEW GREEN AGATE ROUND GEMSTONE LOOSE BEAD 1 STRAND US $6.99
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 3MM Natural Tigers Eye Gemstone Round Loose Beads 1 Strand 16L US $5.59
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 8mm Deep Sky Blue Turquoise Howlite Gemstone Round Loose Beads 1 Strand 16 L US $6.98
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 10 Ten Glass Pearl Bead Long Strands 30 Bulk Small 4mm Round 1600 Mix Pearls US $17.99
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 10 STRANDS 12MM ROUND CLEAR FACETED GLASS BEADS LOT TS373 US $15.30
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 4MM Freshwater Cultured Mauve Pink Off Round Pearl 16 Strand US $14.99
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 10mm Round Black Lava Rock Gemstone Beads Strand 15 US $3.52
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 Rock CRYSTAL 12mm Micro Faceted Rounds 16 strand US $14.98
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 8mm Round Picasso Jasper Gemstone beads strand 15 US $4.75
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 8mm round gemstone natural garnet beads strand 15 US $8.40
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 Lot of 10 155 4mm Matte Black Onyx Beads Round Wholesale Strands US $18.89
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 6mm Pink White Howlite Turquoise Gemstone Round Beads 1 Strand 15 L Free Ship US $4.88
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 10 STRANDS 12MM ROUND FACETED GLASS BEADS LOT TS249 US $15.30
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 15 Strand AAA AMETHYST 8mm Round Beads US $16.95
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one parent strand of dna acts as a template for the formation of other strand...?
so it is one strand which contains al the information..right??.a single strand can fold round itself n the bases can b paired..so why a dsDNA?
Just a thing to note, there are viruses that have ssDNA, so I'll look at this with respect to human DNA.
Here are a few problems I can see (I'm sure there are more):
The strand will have to be palindromic for maximal H-bond paring
-this means half of the DNA will have to be of the complementary base pair of the other half; this will, in effect, limit the "useful" info that can be coded by the DNA strand (seemingly by half)
Replication weirdness
-ssDNA definitely won't work with our current system of DNA polymerases > let's say during rep, two pols get on the DNA, once they hit the major bend in the DNA (where it folds onto itself), I'd imagine there'd be some problems
-so maybe you might ask, why not have just one DNA pol to do the rep? > well, you'd need a mess load of SSB proteins to stabilize the single strand that is does not have the DNA pol on it > this will flood the cell with SSB proteins, which may be bad for other cellular reactions
-if rep occurs for ssDNA that bps with itself, it will have to unfold to serve as a template; then, after the daughter strand DNA is made (it's bped with the parental strand), they will have to separate again, which is just inefficient (because helicases use ATP)
The "major bend" (where DNA folds back onto itself) will have some problems
-it definitely will be problematic for repair mechanisms since there will be some DNA bases that can't H-bond to anything (look at hair pin loops to see what I mean) > there will be no reference template when a mutation happens
-but why does the above matter, if the "major bend" portion doesn't code for anything > well, when random mutations slip by unnoticed, this might create problems, because these regions could mess up the normal H-bonding of the local region close to the "major bend"
Difficulties for repair mechanisms
-two strands are helpful for identifying which strand is the problem strand > when dsDNA is newly replicated, the new daughter strand is hemi-methylated, so if a mutation occurs on a newly made DNA duplex, the parental DNA can be used as a reference for correction
-if you had ssDNA that is newly replicated, there is no reference strand because the entire strand is newly synthesized
The Cycles of Life - We Go Round and Round in the Circle Game
In one of the great songs about the cycles of life-a song that captures the feelings of the moment-Joni Mitchell wrote and sang:
"And the seasons they go round and round
And the painted ponies go up and down
We're captive on the carousel of time
We can't return we can only look behind
From where we came
And go round and round and round
In the circle game"
Are we captured on the carousel of time-experiencing fleeting moments of joy, suffering and some pain along the way-thrilling to victory one day, reeling in defeat the next-until we finally take that one last ride-when the painted pony goes up and comes down for the final time?
Birth-And Death?
It appears we are born and we die. In the meanwhile we exist-only God or the Universal Mind knows for how long-some mystics say we choose our birth and eventual death. Some Buddhists believe as long as karmic issues aren't resolved we are caught on the wheel of birth and death. Others say that death is an illusion-we are eternal beings. There are others that state that if death is an illusion-so is birth.
Are we born only to die? I believe there is more to it than this discomforting thought. My meditations allowed me many insights in the nature of existence-and the existence of other worlds-other possibilities. Quantum physicists claim that energy never dies-it is only rearranged or transformed. Madonna sings about being a "Material Girl" and she is no doubt having fun-but the truth is that we are energy. Still, I can't supply you anything definite about what happens after we ride the final cycle.
Life-The Cycles of Youth
Many people wish they were captured on a carousel rather than running the treadmill they are enslaved on. If only they could jump off safely and live the life that resides in the recesses of their minds. Once during the times of their youth they had dreams and believed their fantasies would be their reality. They knew they would experience their most sublime desires-not realizing that other urgencies and commitments would relegate these to the unattainable. If only they could return to the time when they sometimes lived in their dreams and fantasies and believed these had substance-that they would manifest in their lives. But they can't return-they can only look back. Maybe if they could see through the eyes of a child again-the child they once were.
Even though the child is captured on the carousel of time he doesn't look back with regret or live with fear of the future. Now is all that matters. All the child's fun, fears and learning experiences are happening now.
On a warm summer's day a boy sits at the bank of the stream, lazily casting his hopes for a catch-not worrying about a thing. At the same time a young girl could be playing house-arranging all her dolls, doll clothes, toy furniture, props, etc. into her fantasy of the happy family. She doesn't see this as an event that takes place when she grows up-it is happening now. It is a current event.
Do you remember the time only the moment mattered? Life was a series of moments-experienced and savored one at a time. The painted ponies kept going up and down. Another cycle is completed. It was the New Year-a new year of hope and of exciting experiences. It was your first boyfriend, your first kiss, the time you matured enough to make love for the first time.
Are you experiencing remembrances of your senior prom-when you clumsily pinned a corsage on your date-a blossoming young woman who took your breath away? How about the cool fall evening at the Friday night football game when you sat in the bleachers and snuggled up to your date for warmth-and companionship. Sometimes you cared if your school won the game or not-and you cheered until you were overcome with hoarseness. Other times you were too enthralled by the exciting boy or girl next to you. You embraced the cycle of life. We always will have these moments to remember.
The Cycle Becomes a Treadmill
The day you took your wedding vows. A new era was beginning. The painted ponies were going up and down-up and down in pleasure and delight. You marriage begins with fervent hope for the future-for everlasting happiness and love. Your new job and subsequent promotion. A child is born. Your first home-a starter house but cherished just the same.
Then something happened. You can't pin the exact time it occurred. Maybe it was gradual. You suddenly realize it's been a long time since you heard the music of the carousel and rode the painted ponies-in fact you can't remember the last time you ran and jumped on the carousel with anticipation of a joyous experience.. You are now on a treadmill-and endless cycle of walking and running-and it never ends. The days, weeks, months and years go by as before-you swear they are actually going faster than before. Some of your hopes and dreams came true and you have fond memories of some of them-others seem as if they were empty desires-desires without substance or credibility. If only you had conceived your dreams and desires with wisdom.
Many of your dreams and desires have vanished-vanished before they had an opportunity to manifest. Where did they go? You lament "Why did they leave me stranded in my suffering and despair? Is there a way to bring them back-to be rescued from a life that is less than it could be?"
Chained to the Treadmill of Despair
A time may arrive in a person's life when he or she discovers that they are living a life of many illusions-"looking through a glass, darkly." Why else would life seem like a never-ending run on the treadmill of pain, suffering and frustration? The individual believes he is unable to jump off and if he could-he lacks the energy and motivation to do so.
Once an individual abandons his dreams, desires and fantasies-he relinquishes his power. The subsequent feeling of emptiness causes him to look outside of himself in order to regain what he has lost. And what does he find? He finds that he is now controlled by the illusory power of others. He escapes in hours upon hours of television-which quickly becomes his new master. He adopts second hand values-that he can no longer distinguish from the values he once held. He allows other to do his thinking and supply him with their pseudo-philosophy. Finally he is permanently chained to the treadmill of his despair. At least he believes he is. Can he ever awaken from his self-defeating nightmare?
The Rescue - Riding the Glorious Heights of the Cycle
Fortunately some do wake-up and realize they have been sleepwalking or walking around blind. They happily discover that they didn't permanently relinquish their power-in fact they still possess it. It resides within who they are. They finally see reality for what it is. Their eyes brighten up and their spirit soars.
They get off the treadmill-once again jump on the carousel and mount the painted pony. Yes, the painted pony still goes up and down-but they realize it is taking them to a glorious future-the future that they had so often dreamed and wished for during their youth. The fact that their beloved painted pony will ride the final cycle and go up and down for the last time no longer causes fear, uncertainty and despair. They realize that the final cycle in this life is actually the beginning of a series of new cycles in an even more glorious existence.
About the Author
Robert A. Meyer has been investigating and studying economics, philosophy, psychology and metaphysics for 30 years. He realizes there are basic principles of Human Action that will help you become successful. His knowledge that life is to be lived on a physical, emotional, mental and spiritual level allowed him to discover "The Libertarian Way." He experiences its many pleasures and ecstasies on a daily basis.