NUSCTX 10S Midterm Exam 1 Questions
With 100% Correct Answers
Goal - Correct Answer-To gain a basic knowledge that will enable you
to make effective choices about your nutritional needs
Healthy Diet - Correct Answer-is one that provides the right amount of
energy to keep weight in the desirable range; the proper types and
balance of carbohydrates, proteins, and fats; plenty of water; and
sufficient but not excessive amounts of essential vitamins and
minerals.
Metabolism - Correct Answer-is the set of life-sustaining chemical
transformations within the cells of living organisms. These enzyme-
catalyzed reactions allow organisms to grow and reproduce, maintain
their structures, and respond to their environments.
Anabolism - Correct Answer-uses energy to construct components of
cells. Reactions Require Energy (ATP)
Catabolism - Correct Answer-breaks down organic matter, for
example, to harvest energy. Release Energy (ATP)
Key Cellular Organelles - Correct Answer-Rough ER, Smooth ER,
Nucleus, Ribosomes, Mitochondrion
,Cellular Respiration - Correct Answer-refers to the biochemical
pathway by which cells release energy from the chemical bonds of
food molecules and provide that energy for the essential processes of
life.
Mark the statement(s) that are true:
A) Lipids can be synthesized in the endoplasmic reticulum
B) The process of desperation to produce energy occurs in the
mitochondria
C) Protein are made in the nucleus
D) All of the above - Correct Answer-A and B
Entropy and Disorder - Correct Answer-work is generally required to
produce order out of disorder, so energy must be used to produce a
highly ordered state
Mitochondria - Correct Answer-participate in the chemical processes
that transfer energy from the chemical bonds of nutrient molecules to
newly created adenosine triphosphate (ATP) molecules
Oxidation - Correct Answer-is the loss of electrons or an increase in
oxidation state by a molecule, atom, or ion.
Reduction - Correct Answer-is the gain of electrons or a decrease in
oxidation state by a molecule, atom, or ion.
Enzyme - Correct Answer-biological catalysts that work by lowering
the activation energy for a reaction, thus dramatically increasing the
rate of the reaction.
Which statement is false?
A) Going from an organized state to a disorganized state releases
energy
B) Your body can't build new materials without taking other materials
apart
C) Enzymes can cause biological reaction that otherwise could never
occur
D) All of the above are true - Correct Answer-C
Levels of organization of the human body - Correct Answer-chemical,
cell, tissue, organ, organ system, organism
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