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Absent

Absent

1. Being away from a place; withdrawn from a place; not present. Expecting absent friends.

2. Not existing; lacking; as, the part was rudimental or absent.

3. Inattentive to what is passing; absent-minded; preoccupied; as, an absent air. What is commonly called an absent man is commonly either a very weak or a very affected man. (Chesterfield)

Synonym: absent, Abstracted.

These words both imply a want of attention to surrounding objects. We speak of a man as absent when his thoughts wander unconsciously from present scenes or topics of discourse; we speak of him as abstracted when his mind (usually for a brief period) is drawn off from present things by some weighty matter for reflection. Absence of mind is usually the result of loose habits of thought; abstraction commonly arises either from engrossing interests and cares, or from unfortunate habits of association.

Origin: f, fr. Absens, absentis, p. Pr. Of abesse to be away from; ab _ esse to be. Cf. Sooth.


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Re: Cyanobacteria to bacteria

...and I was sloppy. I should have written "absent in OTHER eubacteria."

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by jonmoulton
Thu Nov 14, 2013 8:47 pm
 
Forum: Cell Biology
Topic: Cyanobacteria to bacteria
Replies: 4
Views: 1561

Re: Cyanobacteria to bacteria

... reactions of photosynthesis occur. The presence of these membranes is the most obvious ulstrastructural difference shared by all cyanobacteria and absent in eubacteria.

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by jonmoulton
Wed Nov 13, 2013 4:29 pm
 
Forum: Cell Biology
Topic: Cyanobacteria to bacteria
Replies: 4
Views: 1561

Re:

... that retain this response. Indeed, inhibition of redundant or overactivated pathways (e.g., growth factor-activated pathways) or stimulation of absent pathways in cancer cells (e.g., p53, Rb, and p16) may not arrest cycling of cancer cells. But growth arrest of normal cells will then permit ...

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by PeterDow
Wed Oct 30, 2013 3:02 am
 
Forum: Human Biology
Topic: My “Eureka” moment. A cure for cancer.
Replies: 9
Views: 10319

cAMP 2nd Messenger Pathway and Experiments

... cyclase present, or that there is a different class of the adenylate cyclase that can act in the place of the adenylyl cyclase if it is indeed absent from the cells. I'd take a good guess and assume that the adenylyl cyclase activity was still in the cyc- cells, as they don't know for sure ...

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by mkay28
Wed Sep 25, 2013 3:14 pm
 
Forum: Cell Biology
Topic: cAMP 2nd Messenger Pathway and Experiments
Replies: 2
Views: 2040

cAMP 2nd Messenger Pathway and Experiments

... the results from experiments 1 and 2, what is your conclusion about the existence of adenylyl cyclase in the mutant cyc- cell line? Is it really absent? ---It would have to be present somewhere within the cyc- cell line for the cAMP to be produced, based on the results of experiment 2 which show ...

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by mkay28
Tue Sep 24, 2013 10:43 pm
 
Forum: Cell Biology
Topic: cAMP 2nd Messenger Pathway and Experiments
Replies: 2
Views: 2040
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