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TLS Online TPP Program

#Question id: 1095

What does it mean to say that a signal is transduced?

#SCPH01 Biochemistry

  1. The signal enters the cell directly and binds to a receptor inside.

  2. The physical form of the signal changes as it passes from the cell membrane to the ultimate intracellular target.

  3. The signal is amplified, such that even one signal molecule evokes a large response.

  4. The signal triggers a sequence of phosphorylation events inside the cell.

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TLS Online TPP Program

#Question id: 2282

#SCPH05 I Biotechnology

Which of the following organelles is found in plant cells but not in animal cells?
TLS Online TPP Program

#Question id: 370

#SCPH05 I Biotechnology

Which of the following statements is true about buffer solutions?
TLS Online TPP Program

#Question id: 667

#SCPH01 Biochemistry

Which represents the backbone of a protein?

Note: R = amino acid side chain

N = nitrogen

Cα = alpha carbon

C = carbonyl carbon
TLS Online TPP Program

#Question id: 12729

#SCPH01 Biochemistry

When the two antiparallel strands of DNA are held together partly by the weak forces between complementary bases and partly by hydrophobic interaction between adjacent , stacked base pairs termed as_____
TLS Online TPP Program

#Question id: 12912

#SCPH28 | Zoology

Name the enzyme which separates the double-helical DNA into single strands.