Biology 101 Unit 1 Practice Exam
WITH 100% CORRECT ANSWERS(WELL RESEARCHED)
What is NOT a characteristic shared by all living things? - ✔��✔Ability to generate
energy through photosynthesis
What is the best illustrate the hierarchical organization of living systems? - ✔��✔
chloroplast, plant cell, tree
In biology, a theory is best described as - ✔��✔a scientifically accepted explanation
based accumulated evidence
In the process of scientific inquiry, the next step after generating a hypothesis is usually
to - ✔��✔make one or more predictions.
Charles Darwin's key contribution to our understanding of evolution was introducing the
concept that - ✔��✔natural selection was the mechanism of evolutionary change.
What about natural selection is true? - ✔��✔There must be heritable variation in a
trait for it to evolve by natural selection
What observation provides evidence that whales evolved from terrestrial mammals? - ✔
��✔The forelimbs of whales are made up of the same arrangement of bones as other
animals.
What is an example of a nucleic acid? - ✔��✔Uracil
What is an example of a carbohydrate? - ✔��✔Cellulose
True or False: All proteins have quarternary structure? - ✔��✔False
What characteristic would allow you to determine if a fatty acid was in cis or trans
configuration? - ✔��✔The arrangement of the hydrogen atoms
The _____ structure of a protein refers to the presence of hydrogen bonds resulting in
helices and pleated sheet structures. - ✔��✔Secondary
In what molecule would you find a fatty acid? - ✔��✔Phosoplipid
Trans fats are a health concern because eating trans fats - ✔��✔increases LDL and
lowers HDL cholesterol levels
WITH 100% CORRECT ANSWERS(WELL RESEARCHED)
What is NOT a characteristic shared by all living things? - ✔��✔Ability to generate
energy through photosynthesis
What is the best illustrate the hierarchical organization of living systems? - ✔��✔
chloroplast, plant cell, tree
In biology, a theory is best described as - ✔��✔a scientifically accepted explanation
based accumulated evidence
In the process of scientific inquiry, the next step after generating a hypothesis is usually
to - ✔��✔make one or more predictions.
Charles Darwin's key contribution to our understanding of evolution was introducing the
concept that - ✔��✔natural selection was the mechanism of evolutionary change.
What about natural selection is true? - ✔��✔There must be heritable variation in a
trait for it to evolve by natural selection
What observation provides evidence that whales evolved from terrestrial mammals? - ✔
��✔The forelimbs of whales are made up of the same arrangement of bones as other
animals.
What is an example of a nucleic acid? - ✔��✔Uracil
What is an example of a carbohydrate? - ✔��✔Cellulose
True or False: All proteins have quarternary structure? - ✔��✔False
What characteristic would allow you to determine if a fatty acid was in cis or trans
configuration? - ✔��✔The arrangement of the hydrogen atoms
The _____ structure of a protein refers to the presence of hydrogen bonds resulting in
helices and pleated sheet structures. - ✔��✔Secondary
In what molecule would you find a fatty acid? - ✔��✔Phosoplipid
Trans fats are a health concern because eating trans fats - ✔��✔increases LDL and
lowers HDL cholesterol levels
