Helix Sentence Examples
Each wing forms a mobile helix or screw.
The molecule consists of a short triple helix about 105 nm in length with a large globular domain at each end.
Hedera helix, is the only native British evergreen climbing shrub.
These two bonds act to stop the alpha helix forming.
Although the common ivy Hedera helix appears the most frequent, a variety of cultivars and other species are available for horticultural use.
Consisting of neoprene coated glass fiber fabric supported by a spring steel wire helix and having a neoprene coated fiberglass outer retention cord.
Explaining the basics of DNA and Genetics Human DNA contains 3 billion nucleotides and is wound up into a tight double helix spiral.
The double helix of the DNA ' unzips ', and the enzyme DNA polymerase makes a copy using the separated strands as templates.
The Helix rods are a lightweight model, with a slightly softer action than the Horizon models.
In DNA, pairing by bases on opposite strands of the double helix links the two strands of the double helix links the two strands.
AdvertisementH. helix Ceridwen Extremely pretty ivy with small to medium leaves with irregular bright yellow variegation which will climb or trail.
Faraday's discovery of the induced current produced by passing a magnet through a helix of wire forming part of a closed circuit was laid hold of in the telegraph of Gauss and Weber, and this application was at the request of Gauss taken up by Steinheil, who brought it to considerable perfection.
Slaby's wave meter consists of a helix of non-insulated wire wound on a glass tube.
The Fleming closed circuit wave meter, called by him a cymometer, consists of a sliding tube condenser and a long helix of wire forming an inductance; these are connected together and to a copper bar in such a manner that by one movement of a handle the capacity of the tubular condenser is altered in the same proportion as the amount of the spiral inductance which is included in the circuit.
Scierophyllous Plants.These are plants with evergreen leathery ives, and typical of tropical, sub-tropical, and warm temperate gions; e.g., Quercus Suber, Ilex Aquifohium, Hedera Helix, Eucalyps Globulus, Rosmarinus officinalis.
AdvertisementA, of Helix; B, of Eolis; a, ova; b, developing spermatozoa; c, common efferent duct.
In Helix hortensis the spermatheca is simple.
In other species of Helix a second duct (as large in Helix aspersa as the chief one) is given off from the spermathecal duct, and in the natural state is closely adherent to the wall of the uterus.
But in rare cases in Helix aspersa a second spermatheca is found at the end of this second duct.
The nervous system of Helix is not favourable as an example on account of the fusion of the ganglia to form an almost uniform ring of nervous matter around the oesophagus.
AdvertisementIn Helix and Limax the osphradium has not been described, and possibly its discovery might clear up the doubts which have been raised as to the nature of the mantle-chamber of those genera.
The shell of the Pulmonata, though always light and delicate, is in many cases a well-developed spiral " house," into which the creature can withdraw itself; and, although the foot possesses no operculum, yet in Helix the aperture of the shell is closed in the winter by a complete lid, the " hybernaculum," more or less calcareous in nature, which is secreted by the froot.
The eggs of Helix are laid separately in the earth, each contained in a calcified shell; those of Limax are also separate, but the shell is gelatinous.
Helix hibernates in a torpid condition for about four months, and during this period the aperture of the shell is closed by a calcareous membrane secreted by the foot.
Ichthulin (see above) may be placed in this group; " helico-proteid," found in the serous gland of Helix pomatia, the vineyard snail, also belongs here.
AdvertisementThus if a point of the body be displaced from A to B, whilst the point which was at B is displaced to C, and that which was at C to D, the four points A, B, C, D lie on a helix whose axis is the common perpendicular to the bisectors of the angles ABC, BCD.
If a helix be described round the screw, crossing each turn of the thread at right angles, the distance between two corresponding points on two successive turns of the same thread, measured along this normal helix, may be called the normai pitch; and when the screw hns more than one thread the normal pitch from thread to thread i lay be called the normal divided pitch.
The Romans are credited with having purposely introduced the edible snail (Helix pomatia) into England, and the common garden snail and slugs (Helix aspersa, Limax agrestis and Anion hortensis) have been unwittingly established in New Zealand.
In the helicoid cyme there is also a false axis formed by the basal portion of the separate axes, but the flowers are not placed in a double row, but in a single row, and form a spiral or helix round the false axis.
A very small section of DNA showing the double helix structure linked by bases, like the rungs on a twisted ladder.
In DNA, pairing by bases on opposite strands of the double helix links the two strands.
Ivy (Hedera) - H. helix is the most beautiful evergreen climber of our northern and temperate world, and is a noble garden plant that may be used in many ways.
The site has articles that teach you how to play your first bass lines as well as more advanced articles that cater to particular basses like the lace helix bass.
Riders will delight in the three tight tunnels and the powerful helix that make the ride one of the best.
This terrain coaster is largely hidden from view but reveals surprising thrills along its 7,359 foot track, including three separate tunnels and a strong 540 degree helix known as the "lair."
Other areas of the ears which can be pierced are the tragus, anti-tragus, conch, rook, snug, daith and helix.
The Timex Helix is a watch that was much loved by outdoor adventure enthusiasts and is now discontinued.
If you are thinking about buying a Timex Helix watch secondhand, what are the important points you should be considering and what alternatives are available?
The Timex Helix was a low cost altimeter-barometer watch which was used by divers, climbers and other outdoor adventure enthusiasts.
Therefore before buying a used Helix watch, make sure that you are completely satisfied with its condition.
The Helix watch often comes up for sale at online auction websites such as eBay.
Some Helix watches are sold either 'as new' or 'new in box'.
The Helix watch is no longer made by Timex and it is doubtful that the watches would still be within their guarantee period.
If your heart is set on a Timex Helix, but you don't want to buy a previously owned watch, there are a number of new altimeter-barometer watch alternatives.
If you are an outdoor adventure enthusiast and are looking for a Timex Helix watch, there are plenty of options whether you are looking for a secondhand model or a new alternative.
The idea of the helix staircase is that two people can ascend or descend the staircase at the same time and never catch a glimpse of each other…likewise if one person ascends and the other person descends the stairs.
The wing nut action is for removing the cork from the bottle once the helix has been twisted into the cork from the bottle once the helix has been twisted into the cork normally.
Watson and Crick explained the x-ray data of Wilkins and Franklin, and so discovered the double helix.
Less than a year later he and Crick had the double helix.
Think of DNA and the famous double helix usually springs to mind.
This family contains the paired amphipathic helix (PAH) repeat.
Each strand is a left-handed helix twisted on itself, but the three strands are twisted into a larger right-handed triple helix.
The dish feed is based on a small 4 turn helix mounted on a die cast aluminum box of 50mm x 50mm.
Proposition 30 describes the construction of a curve of double curvature called by Pappus the helix on a sphere; it is described by a point moving uniformly along the arc of a great circle, which itself turns about its diameter uniformly, the point describing a quadrant and the great circle a complete revolution in the same time.
They accurately described the construction of DNA as a double helix and showed how its structure made replication both possible and reliable.
If a helix be described round the screw, crossing each turn of the thread at right angles, the distance between two corresponding points on two successive turns of the same thread, measured along this normal helix, may be called the normal pitch; and when the screw has more than one thread the normal pitch from thread to thread may be called the normal divided pitch.
In the steady motion under no force of such a body in medium, the centre of gravity describes a helix, while the axis escribes a cone round the direction of motion of the centre of ravity, and the couple causing precession is due to the dislacement of the medium.
In wheelwork of this kind the contact of each pair of teeth commences at the foremost end of the helical front, and terminates at the aftermost end; and the helix is of such a pitch that the contact of one pair of teeth shall not terminate until that of the next pair has commenced.
This helix is presented or held near to the antenna, and the length of it shortened until oscillations of the greatest intensity are produced in the helix as indicated by the use of an indicator of fluorescent paper.
The species of Helix are all herbivorous, like the Pulmonata generally; snails and slugs are well-known enemies to the gardener.
In Helix the spire forms a more or less obtuse-angled cone; there are above 1200 species, of which 24 are British.