ENVIRONMENTAL CHEMISTRY
COMPREHENSIVE EXAM SCRIPT VERIFIED
QUESTIONS AND SOLUTIONS GRADED
APLUS
●● Mineral
Answer: Essential inorganic substances, usually required in small
amounts to perform functions in the body.
●● Nutrient
Answer: A substance that provides nourishment essential for growth and
the maintenance of life.
●● Protein
Answer: An organic compound that is made of one or more chains of
amino acids. Function: growth and repair of tissue, make hormones,
enzymes and antibodies.
●● Carbohydrate
Answer: A simple or complex organic compound composed of carbon,
oxygen and hydrogen. Function: provides energy for organisms.
●● Lipid
, Answer: A group of organic compounds composed of carbon, hydrogen
and oxygen; are insoluble in water. Function serve as a source of energy
or stored energy.
●● Nucleic acid
Answer: Organic molecules that make up DNA and RNA.
●● Enzyme
Answer: A protein that serves as a catalyst to breakdown molecules such
as starches into simple sugars.
●● substrate
Answer: A molecule acted upon by an enzyme.
●● macronutrient
Answer: A chemical substance that an organism must obtain in relatively
large amounts
●● micronutrient
Answer: An element that an organism needs in very small amounts
●● amino acid
Answer: Building blocks of protein
COMPREHENSIVE EXAM SCRIPT VERIFIED
QUESTIONS AND SOLUTIONS GRADED
APLUS
●● Mineral
Answer: Essential inorganic substances, usually required in small
amounts to perform functions in the body.
●● Nutrient
Answer: A substance that provides nourishment essential for growth and
the maintenance of life.
●● Protein
Answer: An organic compound that is made of one or more chains of
amino acids. Function: growth and repair of tissue, make hormones,
enzymes and antibodies.
●● Carbohydrate
Answer: A simple or complex organic compound composed of carbon,
oxygen and hydrogen. Function: provides energy for organisms.
●● Lipid
, Answer: A group of organic compounds composed of carbon, hydrogen
and oxygen; are insoluble in water. Function serve as a source of energy
or stored energy.
●● Nucleic acid
Answer: Organic molecules that make up DNA and RNA.
●● Enzyme
Answer: A protein that serves as a catalyst to breakdown molecules such
as starches into simple sugars.
●● substrate
Answer: A molecule acted upon by an enzyme.
●● macronutrient
Answer: A chemical substance that an organism must obtain in relatively
large amounts
●● micronutrient
Answer: An element that an organism needs in very small amounts
●● amino acid
Answer: Building blocks of protein
