Membrane proteins may extend partway into the plasma membrane and cross the membrane entirely or be loosely attached to its inside or outside face
Population age structure is a summary of the number of individuals of each age in the population. An example is, In 2002, 30% of the worlds population was under 15 years old. <span />
B - Hydrogen Bond
A and D are incorrect as these are bonds either between metals and nonmetals or non metals and non metals. C is incorrect as this term is a joining of sugar molecules.
Hope this helps!
I mean there is a lot of evidence that evolution has happen but i think if someone were to say it was false they would be getting into a religious beliefs. So I would say if you are using evidence than no it cannot be proven false. Hope this helps(;
