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DNA & Mitosis

10th Grade Biology - DNA & Mitosis Study Guide

QuestionAnswer
The part of the molecule for which DNA is named is the sugar
In order to fit within a cell, DNA becomes more compact by wrapping tightly around histones
Mitosis is the process by which: the nucleus is divided into two nuclei
The attachment of nucleotides to form a complementary strand of DNA during replication is accomplished by DNA polymerase
Who built models that demonstrated that: DNA is made of two strands that twist into a double helix. Watson and Crick
Molecules of DNA are composed of long chains of nucleotides
The amount of guanine in an organism always equals the amount of: cytosine Base pairing rules: C with G / A with T
The region of the chromosomes where two sister chromatids are held together is called a centromere
As a result of mitosis, each of the two new cells produced from the parent cell during cytokinesis are: exact copy of all the chromosomes present in the parent cell.
True or False, In DNA replication, the two new DNA molecule has two newly-made strands. False
During DNA replication, a complementary strand of DNA is made from each original DNA strand. This, if a portion of the original strand is CCTAGCT, then the new strand will be: GGATCGA
Created by: tonilynne1