FA3 Flashcards
Why is it necessary for the DNA to replicate prior to cell division?
so that each daughter cell will have a complete copy of the genetic material
What happens during mitosis?
The cytoplasm of the cell divides.
The DNA replicates.
The cell divides.
The nucleus of the cell divides.
The nucleus of the cell divides.
Why do chromosomes have an X-shape?
because they are made of two sister chromatins
because they are made of two sister chromatids
because they are made of two sister centromeres
because they are made of two sister chromosomes
because they are made of two sister chromatids
Which cell cycle checkpoint determines whether the DNA has been replicated correctly?
The G2 checkpoint
An abnormal mass of cancer cells is called a __.
tumor
The correct order of the eukaryotic cell cycle is __.
G1→S→G2→M.
M→G1→S→G2.
S→G1→G2→M.
G1→G2→S→M.
G1, S, G2, M
Which of the following cell organelle actively participates in animal apoptosis?
(a) Vacuoles
(b) Chloroplast
(c) Nucleus
(d) Mitochondria
Mitochondria
The cell doubles the number of organelles and accumulates resources for DNA replication in which phase of Interphase cell division?
G2 Phase
The correct order of prokaryotic cell division is __.
growth → DNA replication → mitosis.
cytokinesis → DNA replication → chromosome segregation.
DNA replication→ mitosis → cytokinesis.
DNA replication → chromosome segregation → cytokinesis.
cytokinesis → DNA replication → chromosome segregation.
Which of the following is the correct sequence of apoptosis?
I. Nucleus begins to break
II. Nucleus condensation and formation of bleb
III. Phagocytosis of apoptotic bodies
2, 1, 3
What could be the cause for a cell to undergo apoptosis?
I. DNA damage
II. Nutrient deficiency
III. Radiation
1, 2, 3
Which cells undergo cell division?
Eukaryotes and Prokaryotes
___ combines the alleles of homologous chromosomes, creating new combination and increasing genetic variability.
Crossing-over
Cell division in eukaryotic cells is a complex process because of ___.
all of the above
All of the following statements are true in Necrosis EXCEPT?
It is planned cell death
Apoptosis can’t kill which of the following?
Group of answer choices
Cancer cells
Cell infected with viruses
Cell with DNA damage
Immune cells
Cancer Cell
Cancer creates abnormal cells by disrupting __
DNA replication
Necrosis is define as _.
he caused by factors external to the cell or tissue, such as infection, toxins, or trauma which result in the unregulated digestion of cell components.
a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body.
a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body.
a variety of changes of stress that a cell suffers due to external as well as internal environmental changes.
caused by factors external to the cell or tissue, such as infection, or trauma which result in the unregulated digestion of cell components.
_ is a diagnostic procedure that involves removing a tissue sample from a patient.
Biopsy
Most routine metabolic processes occur during which phase of the cell cycle?
G1 Phase
