What's the difference between strand and streak?

Strand


Definition:

  • (n.) One of the twists, or strings, as of fibers, wires, etc., of which a rope is composed.
  • (v. t.) To break a strand of (a rope).
  • (n.) The shore, especially the beach of a sea, ocean, or large lake; rarely, the margin of a navigable river.
  • (v. t.) To drive on a strand; hence, to run aground; as, to strand a ship.
  • (v. i.) To drift, or be driven, on shore to run aground; as, the ship stranded at high water.

Example Sentences:

  • (1) Within the outflow tract wall, the labelled cells were enmeshed by strands of alcian blue-stained extracellular matrix.
  • (2) Theoretical computations are performed of the intercalative binding of the neocarzinostatin chromophore (NCS) with the double-stranded oligonucleotides d(CGCG)2, d(GCGC)2, d(TATA)2 and d(ATAT)2.
  • (3) Single stranded DNA and RNA are hydrolyzed by the spinach endonuclease.
  • (4) The M 13 specific DNA present in minicells isolated several hours after infection consists of single stranded viral DNA and double stranded replicative forms in nearly equal amounts.
  • (5) Each L subunit contains 127 residues arranged into 10 beta-strands connected by turns.
  • (6) Globin cDNA was used as the template for the synthesis of a complementary strand (ccDNA) by avian myeloblastosis virus DNA polymerase.
  • (7) Both strong-stop DNAs are made early during in vitro reactions and decline in concentration later, consistent with postulated roles as initiators of long minus- and plus-strand DNA.
  • (8) Neutral sucrose density sedimentation patterns indicate that neutron-induced double strand-breaks sometimes occur in clusters of more than 100 in the same phage and that the effeciency with which double strand-breaks form is about 50 times that of gamma-induced double strand-breaks.
  • (9) Equilibrium and kinetic studies of the interaction of gene 32 protein of T4 phage with single-stranded fd DNA were performed monitoring the changes in protein fluorescence.
  • (10) Single-stranded circles did not form if a limited number of nucleotides were removed from the 3' ends of native molecules by Escherichia coli exonuclease III digestion prior to denaturation and annealing.
  • (11) Structural studies indicate that caveolae are decorated on their cytoplasmic surface by a unique array of filaments or strands that form striated coatings.
  • (12) An average size chromomere of the polytene X chromosome of Drosophila melanogaster contains enough DNA in each haploid equivalent strand to code for 30 genes, each 1,000 nucleotides long.
  • (13) Preparations of the 72 kDa, purified by immunoprecipitation or by single-stranded DNA-cellulose column chromatography and incubated with [gamma-32P]ATP, were found to contain protein kinase activity.
  • (14) Longer times of radiolabeling demonstrated that the nascent RNA accumulated as 42S RNA, which was primarily of the same sense as the virion strand when it was radiolabeled at 5 h postinfection.
  • (15) In vivo, ribosomal RNA of Saccharomyces cerevisiae is transcribed from the light strand of gamma DNA.
  • (16) It is conceivable that DNA replication of RSF1010 does not need the priming mechanism for lagging strand synthesis and proceeds by the strand displacement mechanism.
  • (17) These experiments represent the first occasion that the sequence specificity of a DNA damaging agent, which causes only double-strand breaks, has been determined to the exact base-pair in intact cells.
  • (18) Crandell feline kidney cells in which the ADV-G strain of ADV was permissively replicating contained virion and non-structural proteins, large amounts of single stranded virion DNA, duplex replicative form (RF) DNA, and mRNA.
  • (19) Oligodeoxynucleotides related to the non-transcribed DNA strands can effectively inhibit the RNA synthesis catalyzed by E. coli RNA polymerase.
  • (20) The Cauliflower Mosaic Virus (CaMV) genome is a double-stranded DNA molecule of about 5 million daltons.

Streak


Definition:

  • (v. t.) To stretch; to extend; hence, to lay out, as a dead body.
  • (n.) A line or long mark of a different color from the ground; a stripe; a vein.
  • (n.) A strake.
  • (n.) The fine powder or mark yielded by a mineral when scratched or rubbed against a harder surface, the color of which is sometimes a distinguishing character.
  • (n.) The rung or round of a ladder.
  • (v. t.) To form streaks or stripes in or on; to stripe; to variegate with lines of a different color, or of different colors.
  • (v. t.) With it as an object: To run swiftly.

Example Sentences:

  • (1) Cloacal exstrophy, centered on the maldevelopment of the primitive streak mesoderm and cloacal membrane, results in bladder and intestinal exstrophy, omphalocele, gender confusion, and hindgut deformity.
  • (2) Data from cases with myocardial bridges show that both fatty streaks and raised lesions are seldom observed in the region distal to myocardial bridge.
  • (3) Evx-1 RNA is first detected shortly before the onset of gastrulation in a region of ectoderm containing cells that will soon be found in the primitive streak.
  • (4) Gonadoblastoma is an unusual tumor that typically arises in a streak gonad or an abnormal testis of an individual having a Y chromosome.
  • (5) This study focuses on the expansion and maturation of the fatty streak in the aorta of Watanabe Heritable Hyperlipemic rabbits and comparably hypercholesterolemic fat-fed rabbits between 2 and 6 months duration of hypercholesterolemia.
  • (6) Fatty streaks were observed in 2nd decade involving only 7.5% of the total intimal surface and reaching to a maximum of 22.2% in the 3rd decade, followed by a gradual rise to 9.2% in 7th decade.
  • (7) Immunoreactivity in fatty streaks was located around collections of foam cells.
  • (8) The streaking phenomenon, as well as the tendency toward randomness, was discussed in terms of attentional anomalies.
  • (9) The high frequency of angioid streaks observed in patients with beta thalassemia and the severe complications observed in one patient render a thorough ophthalmoscopic examination and follow-up of such patients necessary for both early diagnosis and possible therapeutic intervention.
  • (10) On the back of some appalling results, including a six-game losing streak, the atmosphere at the game against Cardiff was toxic and the abuse intensely personal.
  • (11) As development proceeded during primitive streak stages, the visceral and parietal endoderm became positively stained.
  • (12) The mean survival period after angiography was 3.8 months, and the prognosis was not favorable in patients having "thread-and-streak" sign on angiography.
  • (13) A diet containing 0.3% cholesterol was given to male New Zealand rabbits for 16 weeks; this produced atherosclerotic lesions (fatty streaks) on 80% of the intimal surface of the thoracic aorta and on 45% of the intimal surface of the abdominal aorta.
  • (14) The area of highest density formed a nasal-temporal band suggestive of a visual streak.
  • (15) The horizontal streak of high rhodopsin levels is preferentially reduced in this retinopathy.
  • (16) Density distribution maps for neurons in the ganglion cell layer and the photoreceptor layer reveal the presence of a putative area centralis and a horizontal visual streak.
  • (17) Atherosclerotic lesions (mostly fatty streaks but some fibrous plaques) were present only in groups C and CL and were absent in groups L and N. The percentage of atherosclerotic intimal involvement was significantly greater in group CL than C (P less than 0.001).
  • (18) A unique pattern for a carbohydrate antigen is displayed by cells of the primitive streak; antigenicity is lost with de-epithelialisation and ingression, but is regained in a pericellular distribution on the mesoderm cells that emerge from the primitive streak.
  • (19) Grossly visible fatty streaks and fibrous plaques were not found in any of the swine aorta.
  • (20) The cluster lies just posterior to the definitive primitive streak in the extraembryonic mesoderm, separated from the embryo by the amniotic fold.