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Cellular reproduction Flashcards | StudBud
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Cellular reproduction
Cellular reproduction
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Answers
1
Which of the following best describes a haploid cell?
A cell that contains no chromosomes at all
A cell with one set of chromosomes
A cell with two sets of chromosomes, one from each parent
A cell with a complete set of chromosomes
2
What is the primary purpose of chemotherapy in cancer treatment?
To relieve pain and improve comfort
To boost the immune system to fight cancer
To increase the oxygen supply to tumors
To shrink or kill cancer cells
3
Human gametes contain 23 chromosomes
False
True
4
During cell division, DNA coils up into compact structures called __________________
chromatin
centromere
chromosomes
zygote
5
sister chromatids are pulled apart towards opposite side of the cell
anaphase
metaphase
prophase
cytokineses
6
The cytoplasm and cellular division is completed during:
anaphase
metaphase
prophase
cytokinesis
7
What does the term
diploid
refer to in biology?
A type of mutation that results in extra chromosomes
A reproductive cell that undergoes cell meiosis
A cell containing only one set of chromosome
A cell containing two sets of chromosomes, one from each parent
8
benign tumor
masses of tissues disappearing
uncontrollable cell growth of normal cells
abnormal but noncancerous growth of cells
uncontrollable cell growth of cancerous cells
9
which of the following statements is true about chromatin
Chromatin condenses to form chromosomes during cell division.
Chromatin is found exclusively in the cytoplasm of eukaryotic cells
Chromatin is a form of DNA that is always tightly packed and never unwinds.
Chromatin consists only of DNA and is absent of any proteins.
10
When the chromosomes exchange genetic material, which allows for more genetic diversity
clone
histones
crossing over
haploid
11
asexual reproduction produces genetically identical offspring from a single parent
True
False
12
Uncontrolled cell growth of abnormal cells
gene therapy
binary fission
benign tumor
cancer
13
Chromosomes not directly related to determining the sex of an organism
nucleosome
somatic cells
autosomes
chromosomes
14
Which of the following sequences correctly describes the cell cycle?
interphase, metaphase, anaphase, prophase, telophase, cytokinesis
interphase, prophase, metaphase, anaphase telophase, cytokinesis.
interphase, prophase, anaphase, metaphase, telophase, cytokinesis
interphase, telophase, prophase, anaphase, metaphase, cytokinesis
15
Which of the following best describes the term
clone
in biology?
A genetically modified organism with enhanced traits
The fusion of two different species to create a hybrid organism
Process producing genetic identical copies of cell,organism, DNA molecule
A mutation that results in genetic variation within a population
16
True or false?
True
False
17
Histones are proteins that are not involved in packaging DNA and do not play a role in chromatin structure
True
False
18
In plant cells what is the role of the cell plate during cell division
It forms the new nucleus during mitosis.
It ensures the proper alignment of chromosomes during metaphase
It develops into the new cell wall that divides the daughter cells.
It helps in the separation of chromatids during anaphase.
19
What is the structure that holds the two chromatids together called?
centromere
sex chromosomes
chromatin
autosomes
20
What is the genetic cause of Down Syndrome?
A missing copy of chromosome 21
An extra copy of chromosome 21
A deletion in chromosome 5
An extra copy of chromosome 20
21
Fertilization
contains two sets of chromosomes from each parents
creates a clone of a previous organism
requires 3 organisms
when male and female gametes are fused together developing a new organism
22
What is cell division
The process by which cells repair damaged tissue
The process by which a cell splits into two not identical cells
The process by which cells split into two identical cells
The process by which cells divide to form gametes
23
In animal cells, what does the term
cleavage
specifically refer to?
The process of DNA replication before cell division
The breakdown of cellular organelles during apoptosis
The separation of homologous chromosomes during meiosis
The pinching of the plasma membrane during cytokinesis
