Haem vs Null - What's the difference?
haem | null |
The component of haemoglobin responsible for binding oxygen, consists of an iron ion that binds oxygen and a porphyrin ring that binds the globin molecules; one molecule binds one molecule of oxygen.
*2010 , Pierre Cornelis and Simon Andrews (editors), Iron Uptake and Homeostasis in Microorganisms , page 17:
*:Haem' is ubiquitous, abundant and necessary for energy metabolism. Most bacteria have a '''haem''' biosynthesis pathway, but nevertheless, since '''haem''' is a major source of iron (an essential metal), microbes take up exogenous ' haem to retrieve iron.
A non-existent or empty value or set of values.
Zero]] quantity of [[expression, expressions; nothing.
Something that has no force or meaning.
(computing) the ASCII or Unicode character (), represented by a zero value, that indicates no character and is sometimes used as a string terminator.
(computing) the attribute of an entity that has no valid value.
One of the beads in nulled work.
(statistics) null hypothesis
Having no validity, "null and void"
insignificant
* 1924 , Marcel Proust, Within a Budding Grove :
absent or non-existent
(mathematics) of the null set
(mathematics) of or comprising a value of precisely zero
(genetics, of a mutation) causing a complete loss of gene function, amorphic.
As nouns the difference between haem and null
is that haem is the component of haemoglobin responsible for binding oxygen, consists of an iron ion that binds oxygen and a porphyrin ring that binds the globin molecules; one molecule binds one molecule of oxygen while null is zero, nil; the cardinal number before einn.haem
English
Alternative forms
* heme (US )Noun
See also
* haemoglobin * bilirubin * red blood cell *Anagrams
* *null
English
Noun
(en noun)- (Francis Bacon)
- Since no date of birth was entered for the patient, his age is null .
Adjective
(en adjective)- In proportion as we descend the social scale our snobbishness fastens on to mere nothings which are perhaps no more null than the distinctions observed by the aristocracy, but, being more obscure, more peculiar to the individual, take us more by surprise.