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Biology
IB

What properties of water make it biologically significant to plants?

Water has adhesive properties which allow the polar water molecules to adhere to other hydrophilic surfaces such as cellulose. This aids the movement of water through xylem vessels in plants. Water also h...

SM
Answered by Sophie M. Biology tutor
1536 Views

What is endosymbiotic theory?

Endosymbiotic theory explains the origin of eukaryotic cells. Eukaryotes (cells that contain membrane bound organelle) are believed to have evolved from prokaryotic cells (unicellular organism that lacks ...

LP
Answered by Louisa P. Biology tutor
7147 Views

Explain the process of Translation.

Translation involves three main steps; initiation, elongation and termination.Initiation begins when a mRNA (messenger RNA) binds to the small of the sub unit of the ribosome, where it moves to the start ...

ZC
Answered by Zhi Cheng W. Biology tutor
6670 Views

Explain the genetic code.

After the cell has carried out the process of DNA transcription, we are left with a transcribed mRNA fragment. This, similar to DNA, is a chain of 4 different bases - cytosine, guanine, adenine and uracil...

MW
Answered by Maja W. Biology tutor
1936 Views

Discuss the role of the cell membrane in cellular function.

The cell membrane, or phospholipid bilayer, encompasses the contents of a cell and allows for organelles to be contained within the cytoplasm. The cell membrane is semi-permeable, thus is allows the movem...

AR
Answered by Ana R. Biology tutor
1823 Views

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