Bacteria live in ____.
A. the water
B. all of these places
C. the human body
D. the soil
What is the cilium-like structure present in certain bacteria cells that allows them to attach to a host tissue?
A. tentacles
B. cilia
C. flagella
D. fimbria
Which of these is a disease not caused by bacteria?
A. cholera
B. syphilis
C. diphtheria
D. Parkinson's
Thigmotropism is the oriented growth of an organism in response to ____.
A. light
B. heat
C. physical contact
D. gravity
Which of the following descriptions relates to water's property of cohesion?
A. Water beading together on top of a freshly waxed car.
B. An ocean stabilizing the temperature of a region.
C. Water dissolving salt to become salt water.
D. A bottle of water cracking when left in the freezer.
In DNA, adenosine will only bond with which of the following base pairs?
A. Adenosine.
B. Thymine.
C. Guanine.
D. Uracil.
Diets that contain high amounts of saturated fatty acids are linked to what disease type?
A. Renal.
B. Coronal.
C. Cardiovascular.
D. Pleural.
Based on the inherent properties of water molecules, what effect would a large body of water have on the temperature of a climate?
A. Increase.
B. Decrease.
C. Stabilize.
D. Destabilize.
What is the difference between saturated and unsaturated fatty acids?
A. Saturated fatty acids contain double bonds, unlike unsaturated fatty acids.
B. Saturated fatty acids contain no double bonds, unlike unsaturated fatty acids.
C. Saturated fatty acids often contain two or more pairs of double bonds, unlike unsaturated fatty acids.
D. There is no difference between saturated and unsaturated fatty acids.
A scientist is proposing an experiment to study the effect of a certain chemical on rat brain development. The scientist believes that this chemical will enhance the rats' brain development. Which of the following terms describes this step of the scientific process?
A. Hypothesis.
B. Experiment.
C. Analysis.
D. Conclusion
Nowadays, the certification exams become more and more important and required by more and more enterprises when applying for a job. But how to prepare for the exam effectively? How to prepare for the exam in a short time with less efforts? How to get a ideal result and how to find the most reliable resources? Here on Vcedump.com, you will find all the answers. Vcedump.com provide not only Test Prep exam questions, answers and explanations but also complete assistance on your exam preparation and certification application. If you are confused on your HESI-A2 exam preparations and Test Prep certification application, do not hesitate to visit our Vcedump.com to find your solutions here.