College Biology 1 Lecture Exam
Which of the following property of water helps an individual who is exercising vigorously maintain a constant body temperature?
Water has high heat capacity
Sugar dissolves in coffee because..
Water is a good solvent
Which of the following property of water explains why a wet glass slide sticks to laboratory counter?
Water is adhesive
What is the correct order of the level of Biological organization from most complex to simplest?
Organism, Organ system, organs, tissues, cells
The principle role for sugars in living things is to
serve as a form of immediate cellular energy
In the reaction C6H12O6 + 6O2 -> 6CO2 + 6H20 carbon dioxide is one of the..
products
Which one of the following is the smallest unit of matter that has all the properties of an element? a. molecule b.proton c. atom d. compound e. ekectron
Atom
When populations of different types of organisms interact in a given way, they compromised a(n)
Community
Deoxyribose is a sugar found in
DNA only
Which of the following is an example of the heat capacity of water?
Living Organism are able to maintain their internal body temperatures because the water in their cells resists changes in temperature.
Which of the following terms should be categorized separately from each other? Muscles, Antibodies, Sucrose, Enzymes, Hair
Sucrose
The pH is a mathematical indicator of the...
concentration of H+ present in a solution
Using their lateral line organ, fish can perceive and react to changes in water currents caused by prey and predators. This is an example of
response to the enviroment
What do lemons, tomatoes, and coffee all have in common chemically?
They all release H+ ions in solutions, making them acids
How are lipids different from other categories of Biological molecules?
They are hydrophobic
In sickle-cell disease, malformation of red blood cells is caused..
by only one error in the genetic code for hemoglobin
The four main categories of organic macromolecules are..
carbohydrates, lipids, proteins, and nucleic acids
The following figure represents which process
dehydration synthesis
A atom with a neutral charge has..
equal numbers of protons and electrons
Which of the following is a property of bases?
feel slippery to the touch
An atom that has an electrical charge is called a(n)..
ion
The subatomic particles that are found within the nucleus of an atom are the
neutrons and protons
Which answer choice lists the steps of the scientific method in the correct order?
observation, hypothesis, predictions, experiment, conclusion
The number of neutrons present in the nucleus of an average atom of any given element is best estimated by..
subtracting the number of protons from the mass numbeer
