Single Cells (Jingle Bells) – Scientific Songs of Praise #7

Dec 10, 2015

A scientific version of Jingle Bells!
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Single Cells (Jingle Bells)
Early heterotrophs
Fed on nucleotides
As their rapid growth
Released carbon dioxide
But autotrophs would rule
As food grew less and less
Generating their own fuel
Through photosynthesis

Oh,
Single cells, single cells
Bacteria and algae
Making up about a third
Of world biomass today
Hey
Single cells, single cells
Thrive in every place
Extremes of heat and pressure,
They can live in outer space.

The eukaryotic cells
Are more complex inside
They have more organelles
Especially nuclei
These organelles evolved
As bacterial parasites
Were gobbled up by ancient cells,
And began to thrive inside.

Oh,
Single cells, single cells
Have lipid membranes
Eukaryotes have nuclei
To store their DNA
Hey
Single cells, single cells
Some can flagellate
Amoebas walk with
pseudopods
And move by changing shape.

Most species of yeast
Are single celled funghi
On carbs and grain they feast
Making bread and wine
In smaller buds they split
Without a need to mate
But when food sources become scarce
The yeasts will conjugate.

Oh,
Single cells, single cells
Can cooperate
Bacteria form biofilms
Slime molds assimilate
Hey
Single cells, single cells
Most self-replicate
But they have many other ways
To transfer DNA.

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