A spider has hundreds of small openings in its body. Silk comes out of these openings as a liquid (液体) ___16__ These tiny threads come together to form a single thread.The spider can make many different kinds of threads. The thread can be thick or thin, wet or dry, or sticky.17...
silk motifs;Each iteration segmentFrom the N end to the C-terminal directionOne or more copy elastic motifsAn optional segment including an optional linker and one or more intensity motifs(c) nucleic acid containing the C-terminal domain (CTD) of the FHC silk polypeptide of Bombyx mori.Diagram...
CSpider(蜘蛛) silk, which is very light and flexible, is five times stronger than steel.Because of this, scientists have been searching for ways to make spider silk in huge quantities(数量), and they have finally found the answer: Nubian goats!Scientists have studied spider silk for years....
Tens of thousands of spider species have been identified throughout the world. These arachnids have eight legs, two body segments, and no wings or antennae. Spiders have three or four pairs of eyes. Many spiders have poor vision, but some species of spiders, such as the jumping spider, hav...
It has four pairs of legs and eight little eyes. The spider loves work. It begins to work as soon as it begins to live. Every spider is a weaver. Even the youngest spider knows how to weave (编织) its web (网) just as well as the oldest. The silk of which it makes its web ...
(Zool.)a large spider (Nephila plumipes), native of the Southern United States, remarkable for the large quantity of strong silk it produces and for the great disparity in the sizes of the sexes. See also:Silk Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co...
Spider webs are made of silk. That is one of the strongest materials. In fact, silk is stronger than the same amount of steel!A spider produces a sticky liquid(液体) from its body. That liquid grows hard into a strong silk thread. Scientists are working to make silk that is as strong...
Spider - Webs, Silk, Predators: Spiders that use silk to capture prey utilize various techniques. Many web spiders construct silk sheets in vegetation; the most elaborate webs are those of the orb weavers. Order Araneida (Araneae) has more than 46,700 sp
Fig. 1: Loxosceles spider, its silk, and the investigated samples. a False-colored scanning electron microscope (SEM) image of a strand of the ribbon silk of a Loxosceles (recluse) spider, which is entirely composed of nanofibrils (n = 5 independent SEM experiments)6. b A female Chile...
B.Though hard,goethite breaks easily.C.A limpet has a tongue covered with tiny teeth.D.It uses them to get its preferred meal off rocks.E.But spiders use their silk to make webs or other structures.F.I was surprised and excited that limpet teeth beat the winner.G.That way people too...