1. What is Pro- the study of the composition, structure, functions and inter-
teomics? Why is actions of the proteins directing the activities of each living
it important? cell. It is important is because proteins make up virtually
everything and direct the activity of cells.
2. Why are proteins they cannot synthesize all of the amino acids needed and
essential in ani- must obtain essential amino acids from food.
mals' diets?
3. What are essen- amino acids that cannot be synthesized by an organism
tial amino acids? and must be obtained through diet.
4. What is arguably the production of the thousands of different proteins the
the most impor- body needs to function.
tant function of
cells?
5. One of the transport of nutrients and other materials in out of the cell.
key functions of
some of the cel-
lular proteins in-
volves what?
6. What is a cell and the basic structural, functional and biological unit of all
why is it impor- known living organisms. The smallest unit of life that can
tant? replicate independently. Building blocks of life
7. Major compo- Memebranous: Endoplasmic reticulum, golgi apparatus,
nents of a cell lysosomes, peroxisomes, mitochondria
Non Membranous: cytoskelaton, microvilli, centrioles, cil-
ia, ribosomes, proteasomes
8. Tenets of cell the- cells are the building blocks of all plants and animals
ory all cells are produced by the division of pre-existing cells
Cells are the smallest units that perform all vital physiolog-
ical functions
Each cell maintains homeostasis
Homeostasis at higher levels, reflects combined, coordi-
nated action of many cells
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, NAFC Nutrition Certification Exam with 100% Verified Answers
9. What are the dif- Primary, secondary, tertiary, quaternary
ferent structural
levels of pro-
teins?
10. What are en- The best known role of protein inside the cell. They serve
zymes and why as a catalyst for chemical reactions. They are highly spe-
are they impor- cific and accelerate chemical reactions in metabolism and
tant? DNA manipulation.
11. By what different Diffusion, osmosis, filtration, facilitated diffusion, primary
mechanisms do and secondary active transport, endocytosis, exocytosis
nutrients get into
cells?
12. What is the GI's This system's role is the absorption of nutrients in food
system's primary and the consumption of food is the most abundant source
role and why is it of energy for the body.
important?
13. What is the pri- Circulation of oxygen throughout the body including the GI
mary function of tract which is the powerhouse of energy absorption.
the circulatory
system?
14. What role does supplies oxygen to the circulatory system.
the respiratory
system play in
nutrition?
15. What role does supports elimination of waste products in the body.
the lymphatic
system play in
nutrition?
16. What role does Regulation of hunger
the endocrine appetite & digestion
system play in Entry of nutrients into cells (insulin)
nutrition? Mobilization of energy (glucagon, Lipase, Gh-growth Hor-
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