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TLS Online TPP Program

#Question id: 2120

Which one of the following statements about membranes is true?

#SCPH06 I Botany

  1. Most plasma membranes contain more than 70% proteins.

  2. Sterol lipids are common in bacterial plasma membranes.

  3. Sterol lipids are common in human cell plasma membranes.

  4. The plasma membranes of all cell types within a particular organism have basically the same lipid and protein composition.

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TLS Online TPP Program

#Question id: 6979

#SCPH06 I Botany

The muscle-forming cells of the vertebrate limb come from:
TLS Online TPP Program

#Question id: 452

#SCPH05 I Biotechnology

E'° of the NAD+/NADH half reaction is –0.32 V.  The E'° of the oxaloacetate/malate half reaction is –0.175 V.  When the concentrations of NAD+, NADH, oxaloacetate, and malate are all 10–5 M, the “spontaneous” reaction is:
TLS Online TPP Program

#Question id: 5323

#SCPH28 | Zoology

An X-linked recessive gene produces red-green color blindness in humans. A woman with normal color vision whose father was color-blind marries a color-blind man. What is the probability that their son will be color-blind?
TLS Online TPP Program

#Question id: 1644

#SCPH05 I Biotechnology

What is the single best defining feature of a lymphocyte?
TLS Online TPP Program

#Question id: 5606

#SCPH01 Biochemistry

During which one of the following stages of A. thaliana embryogenesis, cell elongation throughout the embryonic axis and further development of the cotyledons occur?