#Question id: 1378
#Unit 4. Cell Communication and Cell Signaling
Which of the following apply to fibronectins? Please select all that apply.
a) They are disulphide linked dimers, with each polypeptide composed of a number of binding domains joined together by short flexible segments.
b) They have an essential role in linking the extracellular matrix to its underlying cells.
c) Like integrins, fibronectins are directly connected to the cytoskeleton.
d) They participate in 'inside out' and 'outside in' signalling mechanisms.
#Question id: 24633
#Unit 2. Cellular Organization
#Question id: 23229
#Unit 2. Cellular Organization
#Question id: 7289
#Unit 5. Developmental Biology
The following scheme shows the flowering status of a plant species and the photoperiodism. Which of the following conclusions is most appropriate?
#Question id: 2942
#Unit 2. Cellular Organization
During mitosis, the breakdown of the nuclear envelope depends on the: