Unit 11: 1. M/J 17/P21/Q3
Fig. 3.1 is a diagram that shows the structure of an antibody molecule.
variable region
variable region
constant region
Fig. 3.1
State why the antibody molecule shown in Fig. 3.1 has quaternary structure.
(a)​

Q: a: in sexually reproducing animals, once fertilization of the egg takes place, the exists as a single cell until cell division begins

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?

What happens as electrons move along the chain of molecules known as the electron transport chain? they gain energy, which causes atp molecules to lose phosphate groups. they gain energy, which causes h *ions to join with oxygen to produce water. they lose energy, which is then used by the cell to make atp. they lose energy, which is then used to break down atp.