Cell Cycle
During which stage of meiosis are the homologous pairs lined up along the equator?
What is Metaphase II? (color 1 blue)
What is the purpose of a microscope?
It helps observe small objects that are too small to be seen by the naked eye.
What shape is the DNA in Eukaryotic organisms?
Double Helix
Prokaryotes are _____ celled.
Single
If species X reproduces asexually and Species Y produces Sexually, which organism will survive better if the environment around them changes?
True or False? Meiosis accomplishes growth and repair.
False
What is a control group?
A group in the experiment which the variable is not being tested. (Color 2 pink)
What is a function of mitosis in eukaryotes?
To permit growth and repair.
At the end of Binary Fission, the daughter cells are genetically ________.
Identical.
True or False? The G0 checkpoint keeps cells from growing and dividing.
False. There is no such checkpoint
Which checkpoint checks for centromere separation?
What is the M checkpoint?
What is the Chi-square test used for?
To compare observed results with expected results.
What are the 3 checkpoints in a Eukaryotic cell cycle?
What is G1, G2, and M? (Color 3 orange)
True or false? Prokaryotic chromosomes are not located within a nuclear envelope.
True
What occurs due to crossing over between homologous chromosomes?
What is the major difference between plants and animals during cell division?
The presence of centrioles during spindle formation in animal cells.
What technique is used to examine a specimen in a liquid solution by gently placing a cover slip on top?
What is a wet mount?
What kind of cellular reproduction do eukaryotic cells go through?
Asexual (mitosis) or Sexual (meiosis)
When a prokaryotic cell's chromosome ring divides, it folds up. What is this called?
What is a Nucleoid? (Color 4 green)
A chromosome count of 47 in humans would most likely indicate what?
What is Trisomy?
What cell cycle phase forms tetrads between homologous chromosomes and exchanges genetic information known as crossing over?
What is Prophase I of Meiosis I? (Color 6 Purple)
If 90% of the time cells are in interphase and you observe 50 cells, how many would be in interphase and mitosis?
45 would be in interphase and 5 in mitosis. (Color 7 yellow)
DNA that is wound around the core of 8 histone molecules is called what?
What is nucleosomes? (Color 8 Brown)
When prokaryotic cells reproduce asexually, they split into 2 replicated chromosomes that are distributed into 2 daughter cells. What is this process called?
What is Binary Fission?
Down Syndrome and Turner's syndrome are both genetic diseases that result from what?
What is Nondisjunction? (Color 5 Red)