Phosphate and Deoxyribose
A disease in which some body cells grow and divide uncontrol
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
The division of the cytoplasm during the cell cycle is called
telophase
mitosis
cytokinesis
meiosis
DNA __________ is an enzyme that is vital in unzipping the original DNA molecule.
Polymerase
Ligase
Rigase
Helicase
What is the G0 phase of the cell cycle?
The phase of mitosis in which the chromosomes are crossing over
A phase outside of the cell cycle, where the cell is neither dividing or growing
The cell undergoes mitosis
A phase of interphase where the DNA is copied
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 part of the model represents the S phase?
IV
II
I
III
Which statement BEST describes the semiconservative replication sequence of the DNA sequence CCGCAT?
complementary bases in the reverse order
Identical bases in the same order
Identical bases in the reverse order
Complementary bases in the same order
DNA ______________ is an enzyme that works in moving nucleotides to the parent strand of DNA while checking for errors.
Rigase
Helicase
Ligase
Polymerase
What structures allow chromosomes to separate and move during mitosis?
chromatids
chromatins
spindle fibers
chromosomes
The length of the cell cycle is the same for all types of cells
IDK
True
Maybe?
Fasle
What is cancer?
benign cells
Uncontrolled cell division
mitosis
tumors
In order to ensure an exact copy of DNA is passed on, replication must occur before
mitosis
glycolysis
protein synthesis
meiosis
Cytosine pairs with
Adenine
Thymine
Guanine
Cytosine
DNA helicase
The base that pairs with Cytosine in DNA
A bond that holds the phosphate and deoxyribose together
An enzyme that unwinds "unzips" the DNA double helix during
The base that pairs with Thymine in DNA
If a DNA molecule is 35% Guanine, what percent of the DNA molecule is Thymine?
70%
35%
30%
15%
Deoxyribose
The base that pairs with Adenine in DNA
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 Guanine with DNA
Thymine pairs with
Thymine
Adenine
Guanine
Cytosine
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 meiosis, and Arrow 2 represents prophase.
Arrow 1 represents prophase, and Arrow 2 represents interpha
Arrow 1 represents mitosis, and Arrow 2 represents meiosis.
Adenine pairs with
Guanine
Adenine
Thymine
Cytosine
The stage of the cell cycle that occupies most of the cell’s life is
Mitosis
Cytokinesis
interphase (G1, G0, Synthesis and G2)
G1
Guanine pairs with
Adenine
Guanine
Thymine
Cytosine
Which if the following are an example of cells that enter the G0 phase and stay there forever?
liver cells
skin cells
bacteria cells
nerve cells
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 prevent bruises on the body
to replace dead or damaged skin cells
to get energy for the body
to replace dead or damaged nerve cells
DNA replication results in two DNA molecules,
each with two original strands.
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