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TLS Online TPP Program

#Question id: 1301

The cell walls of bacteria, fungi, and plant cells, and the extracellular matrix of animal cells are all external to the plasma membrane. Which of the following characteristics are common to all of these extracellular structures?

#SCPH06 I Botany

  1. They must block water and small molecules to regulate the exchange of matter and energy with their environment.

  2. They must provide a rigid structure that maintains an appropriate ratio of cell surface area to volume.

  3. They are constructed of materials that are synthesized in the cytoplasm and then transported out of the cell for assembly.

  4. They are composed of a mixture of lipids and nucleotides.

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TLS Online TPP Program

#Question id: 3514

#SCPH12 I Genetics

Which of the following are not conclude of that monohybrid cross?
TLS Online TPP Program

#Question id: 12920

#SCPH06 I Botany

The development of isothermal systems such as the ____ DNA amplification system do away with the need for a thermal cycler and have the advantage of being able to be used outside the laboratory.
TLS Online TPP Program

#Question id: 26903

#SCPH06 I Botany

 Our ability to distinguish different biomes under similar conditions in different parts of the world depends primarily on which of the following factors that influence the distributions of growth forms?
TLS Online TPP Program

#Question id: 1017

#SCPH28 | Zoology

The outbreak of measles within the last few years was due to
TLS Online TPP Program

#Question id: 363

#I Life Science/ Life Sciences Group – I-V

What is the pH of a mixture of 0.042 M NaH2PO4 and 0.058 M Na2HPO4? If 1.0 mL of 10.0 M NaOH is added to a liter of the buffer prepared, how much will the pH change? (pKa = 6.86)