BI 121 Final Exam Study Guide+Questions with
Complete Solutions
Large biological molecules are synthesized by removing: - ANSWER Water
All of the following are important to the theory of evolution EXCEPT? (Changes in
individuals within their lifetimes, Variation in traites within a population, Inheritance of
traits, Mutations, or Environmental changes) - ANSWER Changes in individuals within
their lifetimes.
A nucleotide is made of a: - ANSWER Phosphate, sugar, and base.
Imagine that you have isolated a mysterious liquid from a sample of food. You add the
liquid to a beaker of water and shake vigorously. After a few minutes, the water and the
other liquid separate into two layers. To which class of biological molecules does the
unknown liquid most likely belong? - ANSWER Lipids.
Which molecule is a disaccharide? (Water, Fructose, Glucose, Lactose) - ANSWER
Lactose
Growth - ANSWER A bacterium divides into two bacteria that are identical to, but similar
than, the original bacterium.
Response to stimuli - ANSWER A sunflower follows the sun as it moves across the sky
during the day.
Response to stimuli - ANSWER A paramecium moves from direct light toward the dark.
Complete Solutions
Large biological molecules are synthesized by removing: - ANSWER Water
All of the following are important to the theory of evolution EXCEPT? (Changes in
individuals within their lifetimes, Variation in traites within a population, Inheritance of
traits, Mutations, or Environmental changes) - ANSWER Changes in individuals within
their lifetimes.
A nucleotide is made of a: - ANSWER Phosphate, sugar, and base.
Imagine that you have isolated a mysterious liquid from a sample of food. You add the
liquid to a beaker of water and shake vigorously. After a few minutes, the water and the
other liquid separate into two layers. To which class of biological molecules does the
unknown liquid most likely belong? - ANSWER Lipids.
Which molecule is a disaccharide? (Water, Fructose, Glucose, Lactose) - ANSWER
Lactose
Growth - ANSWER A bacterium divides into two bacteria that are identical to, but similar
than, the original bacterium.
Response to stimuli - ANSWER A sunflower follows the sun as it moves across the sky
during the day.
Response to stimuli - ANSWER A paramecium moves from direct light toward the dark.
