BS 161 MSU - Exam 1 Questions with

BS 161 MSU - Exam 1 Questions with Complete Solutions (Latest 2025)

• Based on the primer on scale and approximation, the

length of a ribosome is approximately ____ orders of magnitude smaller than the length of a eukaryotic cell and approximately ____ orders of magnitude larger than the length of an amino acid.

• 3, 2
• 100, 10
• 1, 5
• 0,1 - Correct Answers ✅a. 3, 2

Translation is the process by which:

• proteins are synthesized from DNA molecules.
• RNA is synthesized from protein.
• RNA is synthesized from DNA.
• DNA is synthesized from protein.
• proteins are synthesized from RNA molecules. - Correct

Answers ✅e. proteins are synthesized from RNA molecules.All organisms use which of the following molecules to carry out cellular work such as growth and moving substances? 1 / 4

BS 161 MSU - Exam 1 Questions with Complete Solutions (Latest 2025)

• membranes
• DNA
• ATP
• RNA
• None of the above - Correct Answers ✅c. ATP

A major difference between eukaryotic cells and prokaryotic

cells is that:

• neither eukaryotic cells nor prokaryotic cells have a

nucleus.

• both eukaryotic cells and prokaryotic cells have a nucleus.
• prokaryotic cells have a nucleus and eukaryotic cells do

not.

• eukaryotic cells have a nucleus and prokaryotic cells do

not. - Correct Answers ✅d. eukaryotic cells have a nucleus and prokaryotic cells do not.

True or False:

Observations allow scientists to draw tentative explanations called hypotheses. - Correct Answers ✅True 2 / 4

BS 161 MSU - Exam 1 Questions with Complete Solutions (Latest 2025) Which of the following is NOT a key feature of individual cells?

• the presence of a plasma membrane
• the ability to store and transit information using nucleic

acids

• the presence of a nucleus
• the ability to harvest and transform energy from the

environment - Correct Answers ✅c. the presence of a nucleus Nucleic acids are important information storage molecules present in virtually every cell. Which of the following process are carried out by a cell when it accesses that information in the DNA of the genes?

• DNA replication and translation
• DNA replication and transcription
• transcription and translation - Correct Answers ✅c.

transcription and translation 3 / 4

BS 161 MSU - Exam 1 Questions with Complete Solutions (Latest 2025) The energy before a chemical reaction and the energy after a

chemical reaction is the same. This is an example of:

• The second law of thermodynamics
• The first law of thermodynamics
• The scientific method
• Evolution by natural selection - Correct Answers ✅b. The

first law of thermodynamics If you were to compare the entropy of a dog to that of a bucket of water, which of the following statement would be TRUE?

• The entropy of the bucket of water and the entropy of the

dog would be equal.

• The entropy of the dog would be greater.
• The entropy of the bucket of water would be greater. -

Correct Answers ✅c. The entropy of the bucket of water would be greater.

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