At the blastocyst stage during mammalian embryonic development, the specification of trophectoderm requires ________; whereas in inner cell mass _________activation is essential.

#Question id: 10363

#SCPH05 I Biotechnology

Free living nitrogen fixing takes place as shown in the following;

             TYPE                                                                                       N-FIXING GENERA

A) Cyanobacteria (blue-green algae)                                        i) Bacillus

B) Aerobic                                                                                     ii) Clostridium

C) Facultative                                                                              iii) Anabaena

D) Anaerobic nonphotosynthetic                                            iv) Rhodospirillum

E) Anaerobic photosynthetic                                                     v) Azospirillum

 Which of the following combination of free living nitrogen fixing bacteria is correct?

#Question id: 10385

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

The leaves of many species are able to bend toward the sun during its progress across the sky, a phenomenon known as

#Question id: 10385

#SCPH05 I Biotechnology

The leaves of many species are able to bend toward the sun during its progress across the sky, a phenomenon known as

#Question id: 10385

#SCPH06 I Botany

The leaves of many species are able to bend toward the sun during its progress across the sky, a phenomenon known as

#Question id: 10386

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

 During light-regulated plant development many seeds require light to germinate, a process called

#Question id: 10386

#SCPH05 I Biotechnology

 During light-regulated plant development many seeds require light to germinate, a process called