In a diploid cell with 5 chromosome pairs (2n = 10), how many centromeres will be found in a nucleus at G2 of the cell division cycle?

#Question id: 11554

#SCPH28 | Zoology

What happens in a cell when adenylyl cyclase is activated?

#Question id: 1082

#SCPH28 | Zoology

Which of the following is a type of signaling in which a cells respond to substrate that they themselves release ?

#Question id: 853

#SCPH05 I Biotechnology

In the presence of a large excess of _______ the disulfides (cystines) are fully converted into sulfhydryls (cysteines).

#Question id: 10362

#SCPH05 I Biotechnology

Bacteria can convert atmospheric nitrogen into ammonia, Several form symbiotic associations with higher plants is given below;

               HOST PLANT                                                                          N-FIXING SYMBIONTS

A) Gunnera                                                                            i) Frankia

      B) Azolla                                                                                ii) Acetobacter

C) Leguminous                                                                     iii) Azospirillum

             D) Actinorhizal                                                                      iv) Nostoc

             E) Sugarcane                                                                         v) Anabaena

             F) Miscanthus                                                                       vi) Sinorhizobium

Which of the following combination with the host plants and n-fixing symbionts is CORRECT?

#Question id: 4161

#SCPH05 I Biotechnology

The link between an activated amino acid and tRNA is an __ bond between the __ of the amino acid and a hydroxyl group of the tRNA.