NAS 2 TCC EXAM AND STUDY GUIDE NEWEST 2026
TEST BANK| COMPLETE 300 REAL EXAM QUESTIONS
AND CORRECT VERIFIED ANSWERS/ ALREADY
GRADED A+ (MOST RECENT!!)
What are the five most common ions in the body? - ANSWER - Na+
K+
Ca++
Mg++
Cl-
What type of macromolecule are triglycerides? - ANSWER - Lipids
Where are phospholipids found in the body? - ANSWER - In cell
membranes
monosaccharides combine to form ________ - ANSWER -
Carbohydrates
The monomer of a protein is ______ - ANSWER - Amino Acids
If a nucleic acid undergoes hydrolysis the result would be _________ -
ANSWER - nucleotides
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What process would be required to join two amino acids together? -
ANSWER - Dehydration Synthesis
What is the purpose of the scientific method? - ANSWER - The
scientific method is an organized way to study the natural world and find
out how it works.
What are the steps of the scientific method? - ANSWER - Ask a
Question.
Do Background Research.
Construct a Hypothesis.
Test Your Hypothesis by Doing an Experiment.
Analyze Your Data and Draw a Conclusion.
Communicate Your Results.
Distinguish between independent and dependent variables - ANSWER -
An independent variable is the variable that is changed or controlled in a
scientific experiment to test the effects on the dependent variable.
A dependent variable is the variable being tested and measured in a
scientific experiment.
Distinguish between control and experimental groups - ANSWER - An
experimental group is the group in an experiment that receives the
variable being tested. One variable is tested at a time. The experimental
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group is compared to a control group, which does not receive the test
variable.
Distinguish between hypothesis and theory. - ANSWER - A hypothesis
is an attempt to explain phenomena. It is a proposal, a guess used to
understand and/or predict something. A theory is the result of testing a
hypothesis and developing an explanation that is assumed to be true
about something.
Define Anatomy and Physiology - ANSWER - Anatomy is the study of
the structure and relationship between body parts.
Physiology is the study of the function of body parts and the body as a
whole.
Identify the six levels of organization (chemical, tissue, etc.) - ANSWER
- 1) Chemical Level
2) Cellular level
3)Tissue level
4)Organ level
5)Organ system level
6) Organismal level
Identify the requirements for life: - ANSWER - 1. Reproduction 2.
Response/reaction to environment 3. Metabolism 4. Growth.
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Identify survival needs: - ANSWER - survival needs (5): nutrients,
oxygen, water, stable body temperature, and atmospheric pressure
The steps of cellular respiration in order? - ANSWER - Glycolysis
Citric Acid Cycle
Oxidative phosphorylation/ electron transport chain
What happens when ATP loses a phosphate during the cell cycle? -
ANSWER - It becomes ADP, and energy is released from the molecule
Where does the energy come from that is used to remake ATP during the
ATP cycle? - ANSWER - Cellular respiration
What are some typical functions of an animal cell? - ANSWER -
Maintain a distinct internal and external environment
Take in nutrients
Eliminate waste
Grow
What are some common structures found in an animal cell? - ANSWER
- Nucleus
Cell membrane
Cytoplasm
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