1)Which of these amino acids is most likely to be found in the center of a membr
ID: 903996 • Letter: 1
Question
1)Which of these amino acids is most likely to be found in the center of a membrane bilayer in a transmembrane protein?
Lysine
Histidine
Serine
Tyrosine
Valine
2)Consider the following processes associated with the transport of substances across a lipid bilayer:
i) Facilitated diffusion
ii) Passive diffusion
iii) Primary active transport
iv) Secondary active transport
Which of these processes require the inputs of energy in order to occur? Choose from the options below:
i) and ii)
i) and iii)
ii) and iii)
iii) and iv)
ii) and iv)
A.Lysine
B.Histidine
C.Serine
D.Tyrosine
E.Valine
Explanation / Answer
1) amino acids is most likely to be found in the center of a membrane bilayer in a transmembrane protein should be non polar so the answer is
Valine
2) active transports need energy.
Primary active
Secondary active
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