(n.) A composite plant of the genus Lactuca (L. sativa), the leaves of which are used as salad. Plants of this genus yield a milky juice, from which lactucarium is obtained. The commonest wild lettuce of the United States is L. Canadensis.
Example Sentences:
(1) In lettuce, the presence of 2,4-D in the light lowered the concentration of total Hg (or MeHg) required to reduce growth by 50%, about 13 times relative to that in the dark (i.e., it sensitized the cells).
(2) The insecticides did not translocate into the edible parts of the vegetables but were present in the root system of onion and lettuce.
(3) Alice Workman (@workmanalice) What's your favourite type of lettuce?
(4) From lettuce and string beans quercetin was isolated (after chemical hydrolysis) and in rhubarb emodin, an anthraquinon, was detected.
(5) A gradual decrease in the number of viable L. monocytogenes cells was observed in juice and sauce held at 21 degrees C. In contrast, the organism died rapidly when suspended in commercial tomato ketchup at 5 and 21 degrees C. Unlike low-acid raw salad vegetables such as lettuce, broccoli, asparagus, and cauliflower on which we have observed L. monocytogenes grow at refrigeration temperatures, tomatoes are not a good growth substrate for the organism.
(6) Photograph: Getty Images Lettuce is a brilliant vegetable to begin with if you have never grown anything before.
(7) January 12, 2016 Shorten hastily responded to that debate on Twitter with a pun-laden non-answer, saying: “Cos you asked … my favourite lettuce is one that doesn’t have a 15 per cent GST on it.” Bill Shorten (@billshortenmp) Cos you asked @workmanalice - my favourite lettuce is one that doesn't have a 15 per cent GST on it.
(8) The most were found on celery, lettuce and field tomatoes.
(9) In neighbouring Honduras , a group of farmers who were tired of seeing the lion's share of their produce go to middlemen decided three years ago to work with buyers in the country's largest city, San Pedro Sula, selling directly to supermarkets and fast-food chains, to offer a steady supply of lettuce, tomatoes, broccoli and other vegetables.
(10) These may involve either nutrition, as in calcium deficiency in some lettuce varieties, tomato, and bell peppers, or direct toxicity (chloride or sodium toxicity, or both) in tree and vine crops.
(11) Incubation of tobacco and lettuce thylakoids with 2 M LiCl in the presence of MgATP removes the beta subunit from their CF1-ATPase (CF1 beta) together with varying amounts of the CF1 alpha subunit (CF1 alpha).
(12) Lettuce meals and their controls contained 9.65 mumol Mn; other meals contained 22.50 mumol Mn.
(13) For leaves well into autumn, sow a few seeds every week or two until late summer; large lettuces should be grown about 20-40cm apart, while cut‑and-come-again leaves can be crammed in as tight as you can get them.
(14) In gelatin (pH 4.0), lettuce extract, peas and beans extracts and ovalbumin (pH 5.0) the immunological activity of SE was lost almost completely upon heating.
(15) At the moment the club needs a long term strategy but has an owner with a short term view - Al Reading It’s been one huge wet lettuce of a season Ben Barker, Reading fan It’s been one huge wet lettuce of a season.
(16) Only 4 of the analysed 21 vegetables exhibited fluorine contents exceeding those admitted by the Council for Mutual Economic Aid (2.5 mg F per 1 kg of vegetable wet weight); they included: young beet leaves, parsley tops, lettuce and sorrel.
(17) 4 Put the lettuce leaves in another bowl, cucumber sticks in another and bamboo shoots in another.
(18) January 13, 2016 The Greens leader, Richard Di Natale , who grows his own lettuce, named butter lettuce his favourite but added: “I’m very inclusionary when it comes to lettuce.” There were no personal questions about produce preferences in St Albans.
(19) We have used bulked segregant analysis to identify three random amplified polymorphic DNA markers in lettuce linked to a gene for resistance to downy mildew.
(20) One freshener contained sodium bisulfite and was used on one portion of lettuce.
Tomato
Definition:
(n.) The fruit of a plant of the Nightshade family (Lycopersicum esculentun); also, the plant itself. The fruit, which is called also love apple, is usually of a rounded, flattened form, but often irregular in shape. It is of a bright red or yellow color, and is eaten either cooked or uncooked.
Example Sentences:
(1) Differential screening of a tomato cDNA library produced from pre-anthesis stamens resulted in the isolation of 25 cDNA clones that hybridized to probes made from stamen RNA and showed no hybridization to probes made from RNA of vegetative organs.
(2) Primer extension experiments show that in fission yeast transcripts are initiated at the same starting point as in tomato, indicating for the first time that a plant promoter can be correctly recognized in fission yeast.
(3) Spoon over the dressing and eat immediately, while the tomatoes are still hot and the bread is crisp.
(4) During development of tomato fruit, most DNA-protein interactions in the rbcS promoter regions disappear, coincident with the transcriptional inactivation of the rbcS genes.
(5) To order your main course (from £7.50), squeeze through the tightly packed tables to the kitchen and select whatever catches your eye from an array of dishes that includes roast lamb, salmon with seafood risotto, stuffed cabbage, and sublime stuffed squid (£14), which comes with tomato rice studded with succulent octopus.
(6) Isolated nuclei from green leaf tissue of tomato plants infected with potato spindle tuber viroid (PSTVd) were bound to microscope slides, fixed with formaldehyde and hybridized with biotinylated transcripts of cloned PSTVd cDNA.
(7) Tomato lectin-bound material was enriched in a glycoprotein identical with T200, which, when incorporated into liposomes, was a potent inhibitor of effector-target binding.
(8) Lectin binding to LGLs prior to activation was more heterogeneous, however, the tomato lectin uniquely revealed a bimodal distribution of receptors.
(9) Sequences from the 5' upstream regions (-400 to translational start) of some cab genes were determined in this study, and a total of 16 tomato cab gene promoters for which sequences are now available were analyzed.
(10) The smoky density of the mackerel was nicely offset by the pointed black olive tapenade and the fresh, zingy flavours present in little tangles of tomato, shallot, red pepper and spring onion, a layer of pea shoots and red chard, and the generous dressing of grassy olive oil.
(11) Photograph: Jonathan Lovekin for the Observer Nigel Slater's cold noodle and tomato salad makes a nice grownup supper with leftovers for the packed lunch.
(12) 3) In all age groups the foods most ingested were: steamed rice, wakame, tofu, bread, scallions, Japanese omelette, and tomatoes.
(13) Increases were observed in the binding of four lectins to LGLs after IL-2 activation; Triticum vulgaris (wheat germ agglutinin), Phytolacca americana (pokeweed mitogen), Lycopersicon esculentum (tomato lectin), and Griffonia simplicifolia I-B4 (GSI-B4).
(14) Nuts, tomatoes, milk, eggs and cereals were most frequently involved.
(15) The portion of my sample prawn orzo was a modest but polished plate of food, the dense bisque and silky grains of pasta elegantly punctuated by small bursts of tart, sweet semi-dried tomato.
(16) Detectives say when Yeates was in the Tesco Express she had bought a Tesco Finest tomato, mozzarella and basil pesto pizza.
(17) Heartburn was induced by a meal consisting of chili, black coffee, and a spicy tomato drink mix.
(18) A gradual decrease in the number of viable L. monocytogenes cells was observed in juice and sauce held at 21 degrees C. In contrast, the organism died rapidly when suspended in commercial tomato ketchup at 5 and 21 degrees C. Unlike low-acid raw salad vegetables such as lettuce, broccoli, asparagus, and cauliflower on which we have observed L. monocytogenes grow at refrigeration temperatures, tomatoes are not a good growth substrate for the organism.
(19) Six of these mutants no longer produced disease lesions on primary leaves of the susceptible bean cultivar Red Kidney and failed to elicit a hypersensitive response on the resistant bean cultivar Red Mexican and on the nonhost plants tomato, cowpea, and soybean.
(20) By linkage to nine RFLP markers the resistance locus Gro1 was assigned to the potato linkage group IX which is homologous to the tomato linkage group 7.