HESI A2 Biology Questions and Answers Already Passed
In the hierarchic system of classification which is the least inclusive? ✔✔Species
After observing an event, you develop an explanation this is: ✔✔Hypothesis
A molecule of water is bonded with another molecule of water by what type of bond?✔✔Hydrogen
Which is a benefit of the intermolecular hydrogen bonding of water: ✔✔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: ✔✔nucleic acids
Lipids are better known as fats but what are they specifically? ✔✔Fatty acids, phospholipids, steroids 1 / 2
What are the 2 categories of fatty acids? ✔✔saturated fats and unsaturated fats
How do phospholipids function in cells? ✔✔They are integral components of plasma membrane
Which of the biologic molecules are considered the most significant contributor to cellular function? ✔✔Proteins
Proteins are polymers of which? ✔✔Amino Acids
Which of the following proteins catalyze different reactions or processes? ✔✔Enzyme
Which of the biologic molecules are components of the molecules of inheritance? ✔✔Nucleic Acids
What is the sum of all chemical reactions that occur in an organism? ✔✔Metabolism
In a cell, reactions take place in a series of steps called: ✔✔Metabolic pathways
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