Bio 1201 - Final Exam 12/02
comprehensive Questions and Answers
with Verified Solutions
Question 1:
To maintain a constant pH, many organisms use chemicals called _____
to regulate the hydrogen ion (H+) concentration inside their body.
Answer:
Buffers Acids Bases Isotopes *Buffers*
Question 2:
Fill in the blank with the best choice provided: Science is _____________
Answer:
the inquiry-based effort to describe and explain nature the search for truth
an organized set of principles for how to behave ethically and morally all
of the answers are correct *the inquiry-based effort to describe and
explain nature*
Question 3:
What is the chemical bond type found in many substances in which two
atoms are held together by electrons of one atom being taken up or
accepted by another atom?
Answer:
ionic covalent hydrogen *ionic*
,Question 4:
-A controlled experiment is one that compares two or more groups that
differ only in one variable that the experiment is designed to test. Which
of the following is the group that does not receive the specific factor being
tested?
Answer:
control group the experimental group the placebo *control group*
Question 5:
Using the image above that depicts an overall chemical equation for
photosynthesis; glucose and oxygen depicted here are known as the
________ of the reaction.
Answer:
products reactants triple covalent bonds double covalent bonds
*products*
Question 6:
Which of the following is an example of a polysaccharide?
Answer:
glucose starch maltose sucrose *starch*
Question 7:
Sometimes when I have my morning coffee, which I drink black with no
cream or sugar, I notice a thin film floating on top of the coffee. Since I
have just read Chapter 3 of the text, I now realize the nature of this
substance and so I run to my friend screaming, "Look at this ________ in
my coffee!"
Answer:
hydrophobic substance
, Question 8:
Which of the four major organic molecule groups store genetic
information?
Answer:
nucleic acids
Question 9:
A friend of yours (Jimmy) appears to have put on a lot of muscle very
quickly. At the same time, you notice that your friend seems to have a lot
of mood swings and appears depressed. It is reasonable for you to
suspect that your friend has begun to take which of the following choices
listed below?
Answer:
an anabolic steroid
Question 10:
A person with lactose intolerance will suffer from digestive discomfort if
milk is consumed. This occurs because ....
Answer:
the lactose molecules are being hydrolyzed.
comprehensive Questions and Answers
with Verified Solutions
Question 1:
To maintain a constant pH, many organisms use chemicals called _____
to regulate the hydrogen ion (H+) concentration inside their body.
Answer:
Buffers Acids Bases Isotopes *Buffers*
Question 2:
Fill in the blank with the best choice provided: Science is _____________
Answer:
the inquiry-based effort to describe and explain nature the search for truth
an organized set of principles for how to behave ethically and morally all
of the answers are correct *the inquiry-based effort to describe and
explain nature*
Question 3:
What is the chemical bond type found in many substances in which two
atoms are held together by electrons of one atom being taken up or
accepted by another atom?
Answer:
ionic covalent hydrogen *ionic*
,Question 4:
-A controlled experiment is one that compares two or more groups that
differ only in one variable that the experiment is designed to test. Which
of the following is the group that does not receive the specific factor being
tested?
Answer:
control group the experimental group the placebo *control group*
Question 5:
Using the image above that depicts an overall chemical equation for
photosynthesis; glucose and oxygen depicted here are known as the
________ of the reaction.
Answer:
products reactants triple covalent bonds double covalent bonds
*products*
Question 6:
Which of the following is an example of a polysaccharide?
Answer:
glucose starch maltose sucrose *starch*
Question 7:
Sometimes when I have my morning coffee, which I drink black with no
cream or sugar, I notice a thin film floating on top of the coffee. Since I
have just read Chapter 3 of the text, I now realize the nature of this
substance and so I run to my friend screaming, "Look at this ________ in
my coffee!"
Answer:
hydrophobic substance
, Question 8:
Which of the four major organic molecule groups store genetic
information?
Answer:
nucleic acids
Question 9:
A friend of yours (Jimmy) appears to have put on a lot of muscle very
quickly. At the same time, you notice that your friend seems to have a lot
of mood swings and appears depressed. It is reasonable for you to
suspect that your friend has begun to take which of the following choices
listed below?
Answer:
an anabolic steroid
Question 10:
A person with lactose intolerance will suffer from digestive discomfort if
milk is consumed. This occurs because ....
Answer:
the lactose molecules are being hydrolyzed.
