α helices are common components of polypeptide chains, they need to be of a certain minimum length of then which of the following graph is correctly representing that certain minimum length condition

#Question id: 3511

#Unit 8. Inheritance Biology

What proportional of one round and two wrinkle seed if random selected 3 seed from various seed produced from monohybrid test cross?

#Question id: 1295

#Unit 4. Cell Communication and Cell Signaling

What signal is released by endothelial cells to recruit circulating leukocytes?

#Question id: 11209

#Unit 7. System Physiology – Animal

Acetylcholine released into the junction between a motor neuron and a skeletal muscle binds to a sodium/potassium channel and opens it. This is an example of ________.

#Question id: 550

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following statements is false?

#Question id: 11049

#Unit 6. System Physiology – Plant

Match the CORRECT combination of the phloem elements with its function.

            PHLOEM ELEMENTS                                                  FUNCTIONS

P) sieve tube elements                                    i) for protection and strengthening of the tissue

Q) sieve cells                                                  ii) store and release food molecules

R) companion cells                                        iii) food translocation in angiosperm

S) Phloem parenchyma cells                          iv) latex containing cells

T) Phloem fibers and sclereids                       v) help in flow of solute and show high, metabolic activity

U) laticifers                                                     vi) food translocation on gymnosperm