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Deoxyribose
 
A five-carbon sugar that is a component of DNA nucleotides
 
The weak bonds that hold the nitrogen bases together
 
The base that pairs with Adenine in DNA
 
The base that pairs with Guanine with DNA
Phosphate and Deoxyribose
 
The molecules that make up the backbone (sides) of the DNA l
 
mass of rapidly dividing cells that can damage surrounding t
 
Enzyme involved in DNA replication that joins individual nuc
 
A disease in which some body cells grow and divide uncontrol
DNA helicase
 
An enzyme that unwinds "unzips" the DNA double helix during
 
A bond that holds the phosphate and deoxyribose together
 
The base that pairs with Cytosine in DNA
 
The base that pairs with Thymine in DNA
The stage of the cell cycle that occupies most of the cell’s life is
 
interphase (G1, G0, Synthesis and G2)
 
G1
 
Mitosis
 
Cytokinesis
The length of the cell cycle is the same for all types of cells
 
Fasle
 
True
 
IDK
 
Maybe?
In one type of cell division, a single cell forms two new cells. This process is called the cell cycle. ​What is the reason that human skin cells frequently undergo division?
 
to replace dead or damaged skin cells
 
to replace dead or damaged nerve cells
 
to prevent bruises on the body
 
to get energy for the body
The division of the cytoplasm during the cell cycle is called
 
cytokinesis
 
telophase
 
mitosis
 
meiosis
What structures allow chromosomes to separate and move during mitosis?
 
spindle fibers
 
chromatids
 
chromosomes
 
chromatins
What is the G0 phase of the cell cycle?
 
A phase outside of the cell cycle, where the cell is neither dividing or growing
 
A phase of interphase where the DNA is copied
 
The phase of mitosis in which the chromosomes are crossing over
 
The cell undergoes mitosis
This model of the cell cycle includes two arrows that each represent a process in the cycle. What do the two arrows represent?
 
Arrow 1 represents interphase, and Arrow 2 represents mitosi
 
Arrow 1 represents prophase, and Arrow 2 represents interpha
 
Arrow 1 represents mitosis, and Arrow 2 represents meiosis.
 
Arrow 1 represents meiosis, and Arrow 2 represents prophase.
Which part of the model represents the S phase?
 
II
 
I
 
III
 
IV
People who have leukemia, a cancer that affects white blood cells, are often given Cytarabine. This drug inhibits the synthesis of DNA. Which phase of the cell cycle is most affected by Cytarabine?
 
S
 
G1
 
G2
 
G0
Which if the following are an example of cells that enter the G0 phase and stay there forever?
 
nerve cells
 
liver cells
 
skin cells
 
bacteria cells
Adenine pairs with
 
Thymine
 
Cytosine
 
Guanine
 
Adenine
Thymine pairs with
 
Adenine
 
Thymine
 
Cytosine
 
Guanine
Cytosine pairs with
 
Guanine
 
Cytosine
 
Thymine
 
Adenine
Guanine pairs with
 
Cytosine
 
Guanine
 
Thymine
 
Adenine
DNA replication results in two DNA molecules,
 
each with one new strand and one original strand.
 
each with two new strands.
 
one with two new strands and the other with two original str
 
each with two original strands.
In order to ensure an exact copy of DNA is passed on, replication must occur before
 
mitosis
 
meiosis
 
protein synthesis
 
glycolysis
If a DNA molecule is 35% Guanine, what percent of the DNA molecule is Thymine?
 
15%
 
35%
 
70%
 
30%
DNA ______________ is an enzyme that works in moving nucleotides to the parent strand of DNA while checking for errors.
 
Polymerase
 
Helicase
 
Ligase
 
Rigase
DNA __________ is an enzyme that is vital in unzipping the original DNA molecule.
 
Helicase
 
Polymerase
 
Ligase
 
Rigase
Which statement BEST describes the semiconservative replication sequence of the DNA sequence CCGCAT?
 
Complementary bases in the same order
 
Identical bases in the reverse order
 
Identical bases in the same order
 
complementary bases in the reverse order
What is cancer?
 
Uncontrolled cell division
 
tumors
 
benign cells
 
mitosis