1
BIOLOGY 181 FINAL NEWEST ACTUAL
2025/2026 EXAM WITTH COMPLETE
QUESTIONS AND
ANSWERS.VERIFIED/GRADED A+
Which of the following is considered a feature of life? (choose all that apply) -
(ANSWER)Able to maintain homeostasis.
Able to maintain order
Able to grow and develop
Able to reproduce
Able to utilize hereditary information
Able to perceive and respond to the environment
Consisting of one or more cells.
Able to evolve
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According to Hank Green in the video: Life Begins - Crash Course Big History,
about when did life emerge on earth? - (ANSWER)Between 3.5 and 4 billion years
ago
What was the result of the famous Miller-Urey experiment? - (ANSWER)In
conditions that may have been similar to the atmosphere of early earth and with
a boost from a little electricity, many of the chemical compounds necessary for
life formed spontaneously.
Sidney Altman was awarded the Nobel Prize for his discovery that... -
(ANSWER)RNA can act as both a transmitter of genetic information and act as an
enzyme. - like a molecular swiss army knife.
Another name for the 'blind watchmaker' - the process that Richard Dawkins
suggests gives organisms (and their body parts) the appearance of design is... -
(ANSWER)Natural selection
Which of the following is not necessarily one of the key qualities of life? -
(ANSWER)Utilizes RNA for hereditary information
Which of the following can be used to date recently deceased fossils (within
about the last 50,000 years) - by using the concept of radioactive decay? -
(ANSWER)Carbon-14
Why are hydrogen bonds and van der Waals interactions necessary for cells? -
(ANSWER)These relatively weak bonds help to provide the structure and shape
, 3
necessary for proteins and DNA molecules (among other macromolecules) - by
stabilizing the
Now that you have learned about Potassium and Neutrons. So answer, how many
neutrons do (K) potassium-39 and potassium-40 have, respectively? -
(ANSWER)20 and 21 neutrons, respectively.
How does our body (and blood) maintain a controlled pH level of between 7.2 and
7.6? - (ANSWER)Our body utilizes carbonic acid (H2CO3) and bicarbonate anion
(HCO3-) to buffer against changes in pH.
The pH of lemon juice is about 2.0, whereas tomato juice's pH is about 4.0.
Approximately how much of an increase in hydrogen ion concentration is there
between tomato juice and lemon juice? - (ANSWER)100 times
The attraction between water molecules and molecule of a different substance. -
(ANSWER)Adhesion
List which of the following is an example of a monosaccharide. -
(ANSWER)Fructose
Glucose
Galactose
BIOLOGY 181 FINAL NEWEST ACTUAL
2025/2026 EXAM WITTH COMPLETE
QUESTIONS AND
ANSWERS.VERIFIED/GRADED A+
Which of the following is considered a feature of life? (choose all that apply) -
(ANSWER)Able to maintain homeostasis.
Able to maintain order
Able to grow and develop
Able to reproduce
Able to utilize hereditary information
Able to perceive and respond to the environment
Consisting of one or more cells.
Able to evolve
, 2
According to Hank Green in the video: Life Begins - Crash Course Big History,
about when did life emerge on earth? - (ANSWER)Between 3.5 and 4 billion years
ago
What was the result of the famous Miller-Urey experiment? - (ANSWER)In
conditions that may have been similar to the atmosphere of early earth and with
a boost from a little electricity, many of the chemical compounds necessary for
life formed spontaneously.
Sidney Altman was awarded the Nobel Prize for his discovery that... -
(ANSWER)RNA can act as both a transmitter of genetic information and act as an
enzyme. - like a molecular swiss army knife.
Another name for the 'blind watchmaker' - the process that Richard Dawkins
suggests gives organisms (and their body parts) the appearance of design is... -
(ANSWER)Natural selection
Which of the following is not necessarily one of the key qualities of life? -
(ANSWER)Utilizes RNA for hereditary information
Which of the following can be used to date recently deceased fossils (within
about the last 50,000 years) - by using the concept of radioactive decay? -
(ANSWER)Carbon-14
Why are hydrogen bonds and van der Waals interactions necessary for cells? -
(ANSWER)These relatively weak bonds help to provide the structure and shape
, 3
necessary for proteins and DNA molecules (among other macromolecules) - by
stabilizing the
Now that you have learned about Potassium and Neutrons. So answer, how many
neutrons do (K) potassium-39 and potassium-40 have, respectively? -
(ANSWER)20 and 21 neutrons, respectively.
How does our body (and blood) maintain a controlled pH level of between 7.2 and
7.6? - (ANSWER)Our body utilizes carbonic acid (H2CO3) and bicarbonate anion
(HCO3-) to buffer against changes in pH.
The pH of lemon juice is about 2.0, whereas tomato juice's pH is about 4.0.
Approximately how much of an increase in hydrogen ion concentration is there
between tomato juice and lemon juice? - (ANSWER)100 times
The attraction between water molecules and molecule of a different substance. -
(ANSWER)Adhesion
List which of the following is an example of a monosaccharide. -
(ANSWER)Fructose
Glucose
Galactose
