Life Science Chapter 5 The Cell Cycle and Protein Synthesis
Terms in this set (46)
During Interphase what structures are formed?
What are the bases in a DNA molecule include?
adenine, guanine& cytosine
Methods of asexual reproduction include what?
budding, regeneration & spores
What always in pairs with thymine?
A codon codes for
What is the purpose of mitosis?
the cell divides it chromosomes
In each daughter cell, the genes are identical to the parent.
In unicellular organisms, mitosis is a form of asexual reproduction
In multicellular used for growth
What type of asexual reproduction occurs in yeast formation?
What is fertilization?
union of sperm and egg
Who were Watson and Crick?
scientists who came up with a model for the structure of DNA
On which organelle does protein synthesis occur
What are the characteristics of spores?
they are surrounded by a protective covering that allow them to live in horrible conditions
______________are sections of DNA.
A cell that has _______ of each kind of chromosomes is diploid.
In sexual reproduction the _______receive genes from both parents.
Before a cell divides it makes a copy of its _______________ during interphase.
The new cell that forms from the union of ___gametes is called zygote.
A codon codes for _______acid.
The cell divides its _________________during mitosis
When all the genes of a chromosome have duplicated but are still ____ the structures that are formed are called sister chromatids.
_____never contains the code for a sequence of amino acids needed to manufacture a protein.
Human sperm cell contains ___
the genes of a cell are stored in
are found in the chromosomes and are specific section of DNA that code for specific protein.
occurs when one cell divides to produce two cells.
first stage of the cell cycle, during which the genes are copied
the equal distribution of the parent cell's duplicated genes between the two new daughter cells.
the membrane around the nucleus disappears and the chromosomes begin to coil up.
all sister chromatids are lined up at the center of the spindle
each pair of sister chromatids separates into two chromosomes.
the daughter chromosomes reach the ends of the spindle and begin to uncoil. The new nuclear membrane forms
the final stage of the cell cycle. This process provides each daughter cell with some cytoplasm and organelles.
in eukaryotic organisms, reproduction by mitotic cell division
contains sugar, phosphate and base
Adenine, Thymine, Guanine, Cytosine
DNA molecule adenine
goes with with thymine
the code from DNA to the ribosomes
the division of the cytoplasm and organelles
making two DNA molecules from one
the making of gametes
placing amino acids together in a specific sequence
having 2 of each kind of chromasome
the process of forming mRNA from DNA
process of regrowing missing body parts
Where does protein synthesis occur?
ribosomes in the cytoplasm
Difference between asexual and sexual reproduction
asexual and sexual both !) result in new organism
asexual: uses mitosis
offspring identical to parent
offspring not identical to either parent
If a rat has 40 chromosomes in a diploid cell
After mitosis how many cells?
40 after mitosis
20 after meiosis
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