What's the difference between null and recognize?

Null


Definition:

  • (a.) Of no legal or binding force or validity; of no efficacy; invalid; void; nugatory; useless.
  • (n.) Something that has no force or meaning.
  • (n.) That which has no value; a cipher; zero.
  • (v. t.) To annul.
  • (n.) One of the beads in nulled work.

Example Sentences:

  • (1) Measurements of acetylcholine-induced single-channel conductance and null potentials at the amphibian motor end-plate in solutions containing Na, K, Li and Cs ions (Gage & Van Helden, 1979; J. Physiol.
  • (2) DR(+) cells, however, showed no change in percentage and a lesser drop in absolute numbers, suggesting an increase with advancing disease of DR(+), Ig(-) null cells, which may represent immature B cell precursors.
  • (3) In this report we describe an improvement upon the design by Stanton and Lightfoot for a simple photographic null method to determine the kVp of a diagnostic region x-ray source.
  • (4) At least two (Rh null and the McLeod type) are responsible for congenital hemolytic disorders.
  • (5) (2) Sequences of brightness steps of like polarity (either increments or decrements) elicit positive and negative motion-dependent response components when mimicking motion in the cell's preferred and null direction, respectively.
  • (6) The analysis also involved statistical tests of a modified null hypothesis, the generation of confidence intervals (CIs) and a meta-analysis.
  • (7) The null potential of both responses became more and less negative with a decrease and an increase, respectively, in the extracellular potassium concentration.
  • (8) The null mutation of algR was generated in a mucoid derivative of the standard genetic strain PAO responsive to different environmental factors.
  • (9) Endoneurial fluid pressure (EFP) was recorded by an active, servo-null pressure system after a glass micropipette was inserted into rat sciatic nerve undergoing wallerian degeneration.
  • (10) In thymo-deprived mice (nude mice and B mice) the percentage of null cells increases during the stage of regeneration, and B mice develop a large number of Ig +-bearing cells.
  • (11) Alkaline phosphatase activity was elevated in the lymphocytes from T-CLL, cord blood and tonsils and the blast cells from Null-ALL.
  • (12) Analysis of ldlA cells has identified three classes of mutant alleles at the ldlA locus: null alleles, alleles that code for normally processed receptors that cannot bind LDL, and alleles that code for abnormally processed receptors.
  • (13) Putative null sup-38 mutations cause maternal-effect lethality which is rescued by a wild-type copy of the locus in the zygote.
  • (14) Null cells of patients with hypoplastic anemia did not produce erythroid colonies under any culture conditions.
  • (15) Comparison of simulated versus actual inheritance data demonstrates that the so-called null structural alleles actually produce functional globins.--The genetic controls in Peromyscus may be analogous to those in primates.
  • (16) A null zone and associated sudden phase-reversal of RSA were observed in stratum lucidum of CA3.
  • (17) When the stimulus is placed at a position approximately 80 degrees dorsal to the eye axis, there is no response; this area is called the null region.
  • (18) Northern blot analysis showed that Adh-1 mRNA was synthesized at wild-type levels in immature seeds of the null mutant, but dropped to 25% in mature seeds.
  • (19) Two tumours were null cell adenomas with PIs less than 0.1 and 0.2%.
  • (20) Thus this methodology offers the potential to study naturally occurring ADH electromorphs and null alleles independent of enzymatic activity assays.

Recognize


Definition:

  • (v. t.) To show appreciation of; as, to recognize services by a testimonial.
  • (v. t.) To review; to reexamine.
  • (v. t.) To reconnoiter.
  • (v. t.) To know again; to perceive the identity of, with a person or thing previously known; to recover or recall knowledge of.
  • (v. t.) To avow knowledge of; to allow that one knows; to consent to admit, hold, or the like; to admit with a formal acknowledgment; as, to recognize an obligation; to recognize a consul.
  • (v. t.) To acknowledge acquaintance with, as by salutation, bowing, or the like.
  • (v. i.) To enter an obligation of record before a proper tribunal; as, A B recognized in the sum of twenty dollars.

Example Sentences:

  • (1) It is recognized that caregivers encompass family members and nursing staff.
  • (2) The significance of minor increases in the serum creatinine level must be recognized, so that modifications of drug therapy can be made and correction of possibly life-threatening electrolyte imbalances can be undertaken.
  • (3) However it is important to recognize these cysts so that correct surgical management is offered to the patient.
  • (4) The invaginations were classified into four easily recognized types: regular, chunky, filigree, and ridge (present only in axon hillock regions).
  • (5) A topographic relationship was recognized between the MM and the anterior thalamic nuclei.
  • (6) A J-shaped relationship with a dip at the middle SBP (140-149 mmHg) was recognized between treated SBP and CVD.
  • (7) In the German Democratic Republic, patients with scleroderma and history of long term silica exposure are recognized as patients with occupational disease even though pneumoconiosis is not clearly demonstrated on X-ray film.
  • (8) Psychiatry unlike philosophy (with its problem of solipsism) recognizes the existence of other minds from the nonverbal communication between doctor and patient.
  • (9) This suggests that the latter group does not possess the genetic equipment (Ir genes) to recognize the antigenic determinants and to synthesize the corresponding antibodies.
  • (10) Seven patients had not been recognized as hypogammaglobulinemic before the onset of infection.
  • (11) Although esmolol may be used as a primary hypotensive agent, the potential for marked myocardial depression must be recognized.
  • (12) However, since CR3 does not recognize a hexapeptide containing RGD, we presume that residues beyond the RGD triplet contribute to binding.
  • (13) Mapping of the shortest peptides recognized by T cell lines ThoU6 and BieU6 indicate that these sequences are fully overlapping.
  • (14) (2) A close correlation between the obesity index and serum GPT was recognized by elevation of the standard partial regression coefficient of serum GPT to obesity index and that of obesity index to serum GPT when the data from all 617 students was analysed in one group.
  • (15) This antibody was shown to recognize an epitope of carcinoembryonic antigen.
  • (16) The results support the notion that mediator lymphocytes circulate in tumor immunized rats in a noncytotoxic state, specifically recognize tumor cells at a challenge site, and mediate induction of effector cells locally.
  • (17) The aim of this paper is to demonstrate that the problems which arise from simultaneously developing regulatory and competitive approaches to health care cost containment can be solved, if recognized, and that those problems deserve more systematic investigation than they have so far received.
  • (18) Binding studies with synthetic IL2-derived peptides revealed the location of the epitope, which is recognized by mAb BO-7: A peptide representing amino acid residues 59-72 (peptide 84) is strongly reactive with the antibody, while an overlapping peptide (residues 48-69) is not.
  • (19) Radio-immunoprecipitation and partial proteolytic digest mapping showed that the monoclonal antibodies each recognized a unique epitope.
  • (20) Clone 35 recognized live schistosomula and produced Il-2 when presented a 27-kDa protein from nitrocellulose.