40. Insulin is a member of the class of organic molecules. a. carbohydrate b. pr

Question

40. Insulin is a member of the class of organic molecules. a. carbohydrate b. protein c. lipid d. nucleic acid EXTRA CREDIT QUESTIONS - need not be answered 41. A scientific hypothesis is: a. an idea whether testable or not b. a testable idea c. an idea that is not testable d. an idea that can be proven true by experiment e. an educated guess 42. Which of the following is a property of life? a. it has organic molecules b. it has metabolism c, it consists of two or more cells d. a. and b. are correct e. a. and c. are correct

Explanation / Answer

40. Insulin is decreases by the islets of Langerhans in pancreas. It is made up of 51amino acids. It consists of protein chain.

So it belongs to the protein class. So B is correct.  

41. A scientific hypothesis builds the scientific method. It is nothing but basing on the prior knowledge we can observe the results .

So it can be described as educated guess. So option E is correct.

42. The properties of life include all its order, life processes , homeostasis, and energy regulation etc. It is made up of cells organic molecules and also it maintains various metabolic activities.  

Option D is correct .

Because it has organic molecules, and it had metabolism.

So option A and B are correct.  

Some are unicellular organisms and some are multicellular . So option c may not consider.

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