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Describe the structure of the cell membrane.

The cell membrane is a fluid matrix made of a phospholipid bilayer. Each lipid molecule has a hydrophilic, phosphorylated "head" and a hydrophobic, fatty acid "tail". The hydrophob...

Answered by Srishti N. • Biology tutor

42115 Views

What motivations informed US foreign policy during the Cold War?

The question can be answered from three different hist...

Answered by Kaia K. • History tutor

5380 Views

Where is the position of a verb in a sentence?

Verbs in a sentence are called Prädikate.

The position of the Prädikat depends on whether we have a verb consisting of one, two or three parts.

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Answered by Sarah S. • German tutor

12331 Views

What is an allele? What are dominant and recessive alleles?

The nucleus of a cell contains DNA molecules, which code for proteins. In humans, DNA is arranged into 46 linear, double-stranded molecules called chromosomes. Chromosomes of similar length are paired...

Answered by Christina T. • Biology tutor

20033 Views

What's the difference between 'por' and 'para'?

'Por' and 'para' convey very different meanings in Spanish and using one instead of the other can change the whole meaning of the phrase. For example:-

Trabaja para Carmen - She works for Carm...

Answered by Genevieve P. • Spanish tutor

4083 Views