Lipids may be used to make certain hormones and vitamin D. add to fecal bulk. should be reduced as much as possible in the diet. regulate metabolism and physiological development. are found only in low amounts in animal sources of food.

Question :

Lipids

a. may be used to make certain hormones and vitamin D

b. add to fecal bulk

c. should be reduced as much as possible in the diet

d. regulate metabolism and physiological development

e. are found only in low amounts in animal sources of food.

a. Lipids may be used to make certain hormones and vitamin D.

Explanation:

A Lipid is an hydrophobic and non polar molecule. It is a very essential nutrient required by the body. Lipids can't be dissolved in water but they dissolve in organic and non polar solvents such as chloroform. Lipids serves as an excellent source of energy in the body.

Lipids can be classified into three types

a. Sterols

b. Phospholipids

c. Triglycerides

Cholesterol is an example of type of lipid called sterols that is present in the human body. It can be synthesized by the liver or gotten from the consumption of foods high in fat contents such as pork, cheese, milk, butter.

Cholesterol is very essential to the body because it helps the body to produce hormones and Vitamin D required for the proper functioning of the body.

Cholesterol is used to synthesize steroids such as hormones in the body. Examples are Cortisol, Testosterone, and Estradiol.

Another type of steroid synthesized by cholesterol is Vitamin D which aids in the absorption of certain nutrients such as magnesium, phosphate and calcium in the intestine.

the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.

more words for this could be abiotic and biotic

abiotic: living organisms within an ecosystem

biotic: non-living organisms within an ecosystem