#Question id: 378
#Unit 1. Molecules and their Interaction Relevant to Biology
Which of the following statements about buffers is true?
#Question id: 3572
#Unit 8. Inheritance Biology
How might the ability of pea plants to self fertilize be a problem for genetic experiments?
#Question id: 15175
#Unit 2. Cellular Organization
#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: 3250
#Unit 11. Evolution and Behavior
Consider a diploid population at Hardy-Weinberg equilibrium. For a locus with two alleles, the frequency of the A1A1, A1A2 and A2A2 genotype is 0.01, 0.18 and 0.81) Which of the following statement is correct?