I think the correct answer from the choices listed above is option B. It is marshmallows catching fore that is an example of a spontaneous exergonic reaction. An exergonic reaction is a chemical reaction where the change in the free energy is negative which indicates the reaction to be spontaneous. It happens without any energy input.
fats, oils, waxes made of C,H,O
EX: triglycerides, phospholipids, steroids, waxes <span>uses: long term energy storage </span>
structure of cell membrane
insulation
protects organs
more efficient energy storage than carbohydrates
<span>lipids are </span>non-polar
Monosaccharides -Simple sugars
The significance of elephants can be characterized as them being a Keystone species. Keystone species are usually considered to be species which have a extremely largy impact on a certain ecological niche or certain environment compared to their relative presence in that environment. In other words, while elephants aren't exactly the most numerous of species, they represent an important element of their environment which also effects other animals.
They spend more time in their den, and they also put on "layers of fat" to have fat reserves to fall back on since they'll be less food in the winter :)
D. They convert glucose into another form of energy used by cells.
