ren Form t 4 Which of the which of the ollowing equences of a. N-Lys-Ser-Thi-C c
ID: 145652 • Letter: R
Question
ren Form t 4 Which of the which of the ollowing equences of a. N-Lys-Ser-Thi-C c. N-Lys-Pro-Thr e None of the above they can all be part of sn alpha-belix 15. Which of the following does nor contribute to thse polypeptide cnnot be part of an alh-li overall tecte of oterins Charge differences between R b. The formation of disulfide bonds between serines c. tsteractions between R groups and the environment groups The N -1H from the peptide backhone e. None of the above - they all contribute 16. Which of the following cell membrane components b. Cholesterol b. Phospholipids c. Integrins e. None of the above 17. Which of the following statements about osmosis is true? a. Water will move across a membrune to a region with less solute. b. Water will move across a membrane to a region with more solute. c. Water will move across a membrane in a manner independent o d. Solutes will move across a membrane to a region with more water e. Solutes will move across a membrane to a region with less water solute concentration 18. Which of the following statement is true? a. All proteins have primary structures. b. All amino acids in polypeptides are involved in secondary structures c. All tertiary structures are fixed and thas cannot accommodate changes to their structure d. All quatermary structures require disulfide bridges e. All of the above seal intercelhular spaces, and 19. In cell junctions, for communication between cells a. desmosomes; tight junctions; gap junetions b. tight junctions; desmosomes; gap junctions c. cell recognition molecules; adhesion molecules; tight junctions d junetion proteins; adhesion molecules, connexinsExplanation / Answer
14). The correct answer is option (c). Because it contains proline amino acid residue. Proline can not form alpha helix and it also forms kinks in the helical structure of DNA.
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