Which of the following results in the loss of protein shape during denaturation?

select one or more:

a) breaking of covalent bonds in a protein
b) breaking of hydrogen bonds in the protein
c) breaking of ionic bonds in a protein
d) breaking of hydrophilic bridges in the protein

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction. this is an example of speciation.

The unique structure of the neuron is dedicated to the efficient and rapid transmission of neural signals. the relationship between neurons, the spinal cord, and the brain constitutes an elaborate communication system throughout the human body. all but one of the functions listed below are a result of this interaction.

What is a group of organisms that are closely related and share similar characteristics