(interj.) An exclamation expressing, by different intonations, triumph, mixed with derision or irony, or simple surprise.
(n.) A sunk fence. See Ha-ha.
Example Sentences:
(1) The coding sequence for Spirulina platensis acetohydroxy acid synthase (AHAS, EC 4.1.3.18) is shown to be contained within a 4.2 Kb ClaI fragment (ilvX) that has been cloned from a recombinant lambda library.
(2) The acetohydroxy acid synthase (AHAS) isozymes from enterobacteria are each composed of a large and small subunit in an alpha 2 beta 2 structure.
(3) The potency of L-valine as an inhibitor of Zea mays acetohydroxyacid synthase (AHAS) is increased more than 8000-fold on conversion to its N-phthalyl anilide derivative which is active at 2 microM.
(4) Evidence is presented that suggests the presence of multiple genetic regions for synthesis and control of the valine-sensitive AHAS activity.
(5) The mutant strain, growing in minimal medium, exhibits a partial growth limiatation and derepression of AHAS, owing to deficient synthesis of isoleucine.
(6) Autoimmune hemolytic anemia (AHA) is uncommon in childhood.
(7) The subjects who were older and had higher levels of plasma LDL cholesterol and total fat intake at baseline experienced better plasma LDL cholesterol response to the AHA diet.
(8) AHA axons staying ventral projected to the supramammillary region, ventral tegmental area, raphe nuclei and midbrain reticular formation.
(9) The glutamic acid (Glu) concentration was significantly higher in AHa (p less than 0.02), CAH (p less than 0.001) and CPH (p less than 0.001) and the tyrosine (Tyr) concentration was significantly higher in AHa (p less than 0.02), CPH (p less than 0.001), CAH (p less than 0.001) and LC (p less than 0.001) than they were in the controls.
(10) The surgical group showed a significantly higher humoral immune response than the AMI group when analyzed for AHA and anti-contractile protein antibodies.
(11) Whereas medial PO-AHA lesions were associated with normal body length and weight and evidence of estrogen secretion, anterior hypothalamic cuts produced increased linear growth and body weight and signs of functional castration.
(12) SPECT images were compared with left ventriculography (LVG); vertical long-axial ECT images with segments 1-5 of LVG by the AHA classification, and horizontal ECT long-axial images with segments 6 and 7 of LVG, respectively.
(13) "A ban on sales of alcohol below the cost of duty plus VAT will affect less than 1% of products sold in shops and off-licences," said Dr Vivienne Nathanson, director of professional activities for the British Medical Association, an AHA member.
(14) Inhibition of the enzyme and of root growth by the valine derivatives may result from binding at or near the site involved in feedback control of AHAS by L-valine.
(15) Discrete lesions in the anterior hypothalamus (AHA) of the guinea pig brain reduce the anaphylactic contraction of the trachea in vitro after active in vivo sensitization by 40%.
(16) And then I thought, aha, when it comes to shooting my close-ups, I won't move, so he won't be able to cut it in.
(17) Medial but not lateral PO-AHA lesions caused elevated nonstress plasma GH levels at 2, 14, 17, and 23 weeks after surgery, but normal levels were obtained at autopsy at 27 weeks.
(18) Evaluation of urinary excretion data suggests that patients with compromised renal function have low recoveries of AHA in the urine.
(19) In cultures where both IgM AHA and total IgM secretion were measured, a much greater T cell dependence for AHA production was apparent.
(20) AHA positivity was unrelated to the type of joint involvement, disease activity, and drug regimen.
Ala
Definition:
(n.) A winglike organ, or part.
Example Sentences:
(1) No difference in therapeutic activity between CNC-ala-17-E2 and CNC-ala could be observed in a transplanted rat leukemia (L 5222).
(2) In each subject, the activity in leucocytes of delta-aminolaevulinic acid (ALA) synthase increased and that of protoporphyrinogen (proto) oxidase decreased during the first week of therapy.
(3) The IL-8 isolated from each of these cell types is a mixture of two IL-8 polypeptides, one consisting of 72 amino acids (herein called [ser-IL-8]72) and the other 77 amino acids (an N-terminal extended form herein called [ala-IL-8]77).
(4) Two EGZ-derived proteins were engineered in which either His98 or Glu133 amino acid was converted to an Ala residue.
(5) In cirrhosis there was a decrease, of zinc (-40%) albumin (-38%) and of activity of ALA D (-48%) and an increase in blood lead (+80%).
(6) We have named them bombolitin I (Ile-Lys-Ile-Thr-Thr-Met-Leu-Ala-Lys-Leu-Gly-Lys-Val-Leu-Ala-His-Val-NH2 ), bombolitin II (Ser-Lys-Ile-Thr-Asp-Ile-Leu-Ala-Lys-Leu-Gly-Lys-Val-Leu-Ala-His-Val-NH2 ), bombolitin III (Ile-Lys-Ile-Met-Asp-Ile-Leu-Ala-Lys-Leu-Gly-Lys-Val-Leu-Ala-His-Val-NH2 ), bombolitin IV (Ile-Asn-Ile-Lys-Asp-Ile-Leu-Ala-Lys-Leu-Val-Lys-Val-Leu-Gly-His-Val-NH2 ), and bombolitin V (Ile-Asn-Val-Leu-Gly-Ile-Leu-Gly-Leu-Leu-Gly-Lys-Ala-Leu-Ser-His-Leu-NH2 ).
(7) To confirm this, ALA-S activity was then directly measured in intact reticulocytes, and it was shown that ethanol indeed inhibited its activity.
(8) All inhibitors had no effect on L-Ala uptake into brush-border membrane vesicles in presence of Na+ gradient.
(9) Specimens from the bone marrow taken were by trephine biopsy from the sternum, ala ossis ilii and spine.
(10) Paraproteins, usually of the IgG-kappa isotype, were found in the sera of a significant number of HIV-1-infected individuals as were antibodies to lymphocytes (ALAs).
(11) With the use of the method Chick Embryotoxicity Screening Test II (CHEST II), the potential neuropeptides L-prolyl-L-leucyl-glycinamide (MIF), cyclo(1-aminocyclo-pentanecarbonyl-L-alanyl)[cyclo(Acp-Ala)] and cyclo(glycyl-L-leucyl)[Cyclo(Gly-Leu)] were tested in the critical developmental periods of d 1.5 to 4 of chick embryogenesis in order to objectively examine their undesirable interactions with the developing morphogenetic systems of the brain, eye, face, body wall, limbs, trunk and heart.
(12) The differential scanning calorimetry (DSC) studies demonstrate an increased susceptibility of the Ala 183----Pro mutant to thermal denaturation.
(13) Mutants of Escherichia coli which require 5-aminolaevulinic acid (5-ALA), the first intermediate of haem biosynthesis, do not respond to haemin and porphyrins.
(14) The lipid-mobilizing activity of a synthetic peptide, NH2-Phe-Glu-Glu-Ala-Tyr-Ile-Pro-Lys-Glu-Gln-Lys-Tyr-Ser-Phe-COOH, corresponding to the 31-44 amino-acid sequence of human growth hormone, was studied.
(15) The replacements for Glu-43 (Asp, Gln, Asn, Ser, and Ala) both decreased the catalytic efficiency and changed the one- and two-dimensional NMR spectral properties of the mutant enzymes.
(16) Alas, for Jones, they found more of his ill-gotten gains in another plot he had perhaps forgotten to mention.
(17) The structures of two crystal forms of Boc-Trp-Ile-Ala-Aib-Ile-Val-Aib-Leu-Aib-Pro-OMe have been determined.
(18) Daily intra-VTA injections of the mu opioid agonist Tyr-D-Ala-Gly-NMe-Phe-Gly-ol enhanced the behavioral stimulant effect of acute morphine.
(19) The (beta-chloro-, (beta, beta-dichloro-, and (beta, beta, beta-trichloro-alpha-aminoethyl)phosphonic acids have been synthesized and their inhibitory properties on the alanine racemases [EC 5.1.1.1] and the D-Ala:D-Ala ligases [EC 6.3.2.4] from Pseudomonas aeruginosa and Streptococcus faecalis have been evaluated.
(20) Angiotensin converting enzyme activity was measured in intact aortic rings utilizing the synthetic tripeptide [3H]-benzoyl-Phe-Ala-Pro as the substrate.