BIOL 180 Quiz 5 | Questions and Answers with Complete Solutions | Latest 2026–2027 Update

BIOL 180 Quiz 5 | Questions and Answers with Complete
Solutions | Latest 2026–2027 Update



Attempt 1 of 1

Written Jul 11, 2026 9:40 AM - Jul 11, 2026 9:58 AM



Released Jul 11, 2026 11:55 PM




Attempt Score - 97 %
Overall Grade (Highest Attempt) - 97 %




Question 1

A nucleotide includes all of the following parts EXCEPT?

nitrogenous base
phosphate group

deoxyribose carbon
dioxide


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,Question 2

How is it possible that each daughter cell during cell replication receives an identical
copy of the DNA?

DNA is replicated following mitosis or meiosis, so is transferred after the new
cells are formed

DNA is replicated during the synthesis phase of the cell cycle, prior to mitosis or
meiosis
DNA is not identical in every cell, so all daughter cells have different copies

DNA is replicated individually in each new cell after meiosis and mitosis


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Question 3

Which portion of the primary RNA transcript is removed because it does not encode a
functional protein?

promoter
intron

exon
spliced


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, Question 4

Which nitrogenous base is present in RNA and not DNA?

thymine

guanine

adenine

cytosine uracil


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Question 5

Which two parts of the nucleotide covalently bond to each other to form the
backbone of DNA?

sugar and phosphate

phosphate and oxygen sugar

and nitrogen phosphate and

nitrogen


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