BIO 150 Exam Questions || 100% VERIFIED ANSWERS!!!
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Course
BIO 150
Institution
BIO 150
In controlled experiments:
a. one variable is manipulated while others are held constant
b. all variables are held constant
c. all variables are dependent on each other
d. all variables are independent of each other correct answers a
A placebo:
a. is an urban legend
b. reveals ...
BIO 150 Exam Questions || 100% VERIFIED
ANSWERS!!!
In controlled experiments:
a. one variable is manipulated while others are held constant
b. all variables are held constant
c. all variables are dependent on each other
d. all variables are independent of each other correct answers a
A placebo:
a. is an urban legend
b. reveals that sugar pills can create a positive treatment result
c. demonstrates that most scientific studies cannot be replicated
d. does not exist correct answers b
A hypothesis that is created uses which type of reasoning?
a. deductive reasoning
b. inductive reasoning
c. hypothesis reasoning
d. creative reasoning correct answers b
Glucose (C6H12O6) is an example of a(n):
a. monosaccharide
b. disaccharide
c. ion
d. polysaccharide correct answers a
Psyllium seed husk (cellulose) is actually long chains of xylose and arabinose (2 different
sugars) that are repeated over and over. This multi-sugared fiber is therefore a:
a. monosaccharide
b. disaccharide
,c. ion
d. polysaccharide correct answers d
Which of the following is NOT a property of water that we discussed in class?
a. cohesion
b. great solvent
c. large heat capacity
d. low heat capacity correct answers d
From what you know about water, as it evaporates what bonds are broken?
a. ionic bonds
b. hydrogen bonds between the water molecules
c. covalent bonds between the atoms of the water molecules
d. non-polar covalent bonds correct answers b
Protons are:
a. positive
b. negative
c. neutral correct answers a
Electrons are:
a. positive
b. negative
c. neutral correct answers b
Neutrons are:
a. positive
b. negative
c. neutral correct answers c
,The atomic number of carbon is 6 and its atomic mass is 12, therefore its nucleus must
contain:
a. 6 neutrons and 6 protons
b. 3 neutrons and 3 protons
c. 6 neutrons and no protons
d. no neutrons and 6 protons correct answers a
Based on the atomic mass, how many neutrons are in a phosphorus atom?
a. 20
b. 16
c. 18
d. none correct answers b
In a pure tank of hydrogen, what kind of bonds form?
a. ionic
b. covalent
c. h-bonds
d. combo bonds correct answers b
Of the "Big 4" elements in the human body, which is found in the greatest abundance?
a. oxygen
b. carbon
c. hydrogen
d. nitrogen correct answers a
A sodium atom has how many protons?
a. 22
b. 23
c. 11
d. 10 correct answers c
, A sodium atom has how many neutrons?
a. 9
b. 4
c. 12
d. 6 correct answers c
A sodium atom has how many electrons?
a. 22
b. 23
c. 11
d. 10 correct answers c
What is sodium's atomic mass?
a. 11
b. 23
c. 20
d. 29 correct answers b
How many electron rings does sodium possess?
a. 1
b. 2
c. 3
d. 4 correct answers c
How many electrons are in its outermost ring?
a. 1
b. 2
c. 3
d. 4 correct answers a
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