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HESI A2 Biology Exam With 100% Verified Solutions
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HESI A2 Biology Exam With 100% Verified Solutions
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HESI A2 Biology Exam With 100%Verified Solutions
In the hierarchic system of classification which is the least inclusive? CORRECT
ANSWERS Species
After observing an event, you develop an explanation this is: CORRECT ANSWERS
Hypothesis
A molecule of water is bonded with another molecule of water by what type of bond?
CORRECT ANSWERS Hydrogen
Which is a benefit of the intermolecular hydrogen bonding of water: CORRECT
ANSWERS 1- Water has a relatively high specific heat value.
2- Water has strong cohesive and adhesive properties.
3- Polarity of water allows it to act as a versatile solvent.
Of all molecules that are significant to biology which are considered important:
CORRECT ANSWERS nucleic acids
Lipids are better known as fats but what are they specifically? CORRECT ANSWERS
Fatty acids, phospholipids, steroids
What are the 2 categories of fatty acids? CORRECT ANSWERS saturated fats and
unsaturated fats
How do phospholipids function in cells? CORRECT ANSWERS They are integral
components of plasma membrane
Which of the biologic molecules are considered the most significant contributor to
cellular function? CORRECT ANSWERS Proteins
Proteins are polymers of which? CORRECT ANSWERS Amino Acids
Which of the following proteins catalyze different reactions or processes? CORRECT
ANSWERS Enzyme
Which of the biologic molecules are components of the molecules of inheritance?
CORRECT ANSWERS Nucleic Acids
What is the sum of all chemical reactions that occur in an organism? CORRECT
ANSWERS Metabolism
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