BIO 111 Exam #1 Questions And Accurate Answers
Latest Update 2024-2025
What type of reaction is involved in the joining of two monomers? - Answer
dehydration/condensation
Snowshoe hares molt from a brown coat to a white winter coat to remain camouflaged
during the different seasons. Does this coat color change in an organism over its
lifetime constitute evolution by natural selection? - Answer No
Proposed explanation for general patterns in nature, widely supported by a great deal of
evidence - Answer Theory
Which of the following is NOT one of the four most abundant elements in living
organisms?
oxygen
calcium
hydrogen
carbon - Answer Calcium
Hemoglobin, antibodies, and hormone receptors are all what type of biological
molecule? - Answer proteins
Snowshoe hares change from brown to a white winter coat color in order to maintain
seasonal camouflage. In some populations, an allele increased in frequency preventing
the coat color switch and the hares remain brown all year around. This is an increase in
the brown coat color which could be due to climate change resulting in reduced snow
cover. The change in allele frequency of this population is - Answer evolution by natural
selection
,Brown mice living on a white beach are more conspicuous. Over several generations
the proportion of brown mice relative to white mice declines in the population. This
change in the population in coat color frequency is known as - Answer evolution by
natural selection
An accepted explanation of a set of observations supported by different lines of
evidence - Answer Theory
Which of the following properties of water molecules has important implications to life?
High surface tension
Versatility as a solvent
The ability of ice to float on water so it can serve as a 'blanket'
All of these answers are correct - Answer all answers are correct
Viruses possess all of the characteristics necessary to be considered a living organism.
T or F - Answer False
Which of the following is NOT one of the basic properties all life forms possess?
Process Information
Multicellular
Made up of cells
Evolve - Answer Multicellular
A plasma membrane is primarily composed of what type of biological molecule?
nucleic acids
, Lipids
carbohydrates
proteins - Answer lipids
Polymerization of nucleotides directly results in the synthesis of
carbohydrates
proteins
lipids
nucleic acids, such as DNA and RNA - Answer nucleic acids, such as DNA and RNA
polymerization of amino acids will result in the formation of
proteins
nucleic acids
carbohydrates
lipids - Answer Proteins
Which of the following are all examples of a class of biological molecule known as
enzymes?
carbohydrates
lipids
nucleic acids
proteins - Answer proteins
Which of the following are all examples of the class of biological molecule known as?
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