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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?

#SCPH05 I Biotechnology

  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: 15534

#SCPH05 I Biotechnology

In FASTA, For a Z-score > 15, the match can be considered extremely ______ with _____ of a homologous relationship.
TLS Online TPP Program

#Question id: 19200

#SCPH06 I Botany

What kind of biosensors uses ion-selective electrodes to convert the biological reaction into electronic signal?
TLS Online TPP Program

#Question id: 8292

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

Some molecular data place the giant panda in the bear family (Ursidae) but place the lesser panda in the raccoon family (Procyonidae). If the molecular data best reflect the evolutionary history of these two groups, then the morphological similarities of these two species is most likely due to ________.
TLS Online TPP Program

#Question id: 424

#SCPH01 Biochemistry

Phosphorylation at the expense of ATP is catalyzed by ________.
TLS Online TPP Program

#Question id: 15214

#SCPH28 | Zoology

Gels of 15% polyacrylamide are useful for separating proteins in the range Mr = 100,000 to 10,000,  while a 7.5% gel are used to separate