MODULE 4 EXAM & REVIEW GUIDE
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BIOD 101 MODULE 4 EXAM ........................................... 1
BIOD 101 MODULE 4 EXAM REVIEW GUIDE ............. 8
BIOD 101 MODULE 4 EXAM
Compare and contrast purines and pyrimidines and provide examples
of each.
Purines contain 2 carbon-nitrogen rings and 4 nitrogen atoms.
Pyrimidines contain 1 carbon-nitrogen ring and 2 nitrogen atoms.
Purines: Adenine, guanine
Pyrimidines: Thymine, cytosine
Fill-in-the-Blank: A nitrogenous base plus a deoxyribose is called a
___________, and a base plus deoxyribose plus a phosphate group is
called a _____________.
nucleoside, nucleotide
Describe the structure and arrangement of DNA
, DNA is a double helix, two helical strands. The two strands are held
together by the 'rungs', which are made of complementary pairs. The pairs
are held together by weak hydrogen bonds.
The strands are arranged in a complementary-type pattern and antiparallel.
In this antiparallel arrangement, the strands are oriented with one strand
being in the 5'→3' orientation and the other strand in the 3'→5' orientation
What is a genome?
The entire sequence of paired DNA bases
__________ is a broad term that includes all of the body's cells except
gametes.
A. Somatic cell
B. Sex cell
C. Genome
D. Diploid
A. Somatic cell
What are the four phases of the cell cycle?
(1) Gap phase 1 (G1)
(2) DNA synthesis (S-phase)
(3) Gap phase 2 (G2)
(4) Mitotic phase (M-phase)
Match each of the following subphases of mitosis with the correct
description.
Prophase
Prometaphase