TLS Online TPP Program

#Question id: 5261


Which of these statements about prokaryotes is correct?

#SCPH28 | Zoology
  1. Bacterial cells conjugate to mutually exchange genetic material.

  2. Their genetic material is confined within a nuclear envelope.

  3. They divide by binary fission, without mitosis or meiosis.

  4. Genetic variation in bacteria is not known to occur, nor should it occur, because of their asexual mode of reproduction.

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TLS Online TPP Program

#Question id: 6966

#SCPH01 Biochemistry

During gastrulation in the frog, the very first cells to move into the interior of the embryo through the blastopore come from the surface layer of cells in the marginal zone; they will become:

TLS Online TPP Program

#Question id: 6966

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

During gastrulation in the frog, the very first cells to move into the interior of the embryo through the blastopore come from the surface layer of cells in the marginal zone; they will become:

TLS Online TPP Program

#Question id: 6966

#SCPH06 I Botany

During gastrulation in the frog, the very first cells to move into the interior of the embryo through the blastopore come from the surface layer of cells in the marginal zone; they will become:

TLS Online TPP Program

#Question id: 6966

#SCPH28 | Zoology

During gastrulation in the frog, the very first cells to move into the interior of the embryo through the blastopore come from the surface layer of cells in the marginal zone; they will become:

TLS Online TPP Program

#Question id: 6967

#SCPH01 Biochemistry

Gastrulation in sea urchins, Drosophila, and Xenopus all begin with a change in cell shape, in which the apical surface of an epithelial sheet contracts. This process is called:

TLS Online TPP Program

#Question id: 6967

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

Gastrulation in sea urchins, Drosophila, and Xenopus all begin with a change in cell shape, in which the apical surface of an epithelial sheet contracts. This process is called: