Sexy Cells and Chromosomes
Helix Hysteria
Division Gone Wild
Terminology
Protein Power
100
Sister chromatids attach at this structure.
What is the centromere?
100
DNA's permanent "home" is in this part of the cell.
What is the nucleus?
100
These "spindly" organelles are found in animals cells, but not plants.
What are the centrioles?
100
This is the act of linking amino acids to one another as tRNA carries them to the ribosome.
What is translation?
100
This molecules is the carrier of DNA's code into the cytoplasm.
What is messenger RNA?
200
You'll see chromosomes lined up along this during metaphase!
What is the equatorial plate?
200
These famous fellows walked into a pub in 1953 and shouted "We have found the secret of life!"
Who are Watson and Crick?
200
This structure begins dividing the cytoplasm in animal cell mitosis.
What is the furrow?
200
This term describes the chromosome condition for gametes.
What is haploid?
200
Proteins are long chains of repeating units called ______.
What is a polymer?
300
Karyokinesis occurs during this stage of mitosis and separates sister chromatids.
What is anaphase?
300
This sugar makes up the nucleotide units in DNA's double helix.
What is deoxyribose?
300
Uncontrolled division leads to this cellular disease.
What is cancer?
300
DNA making a copy of itself is termed______.
What is replication?
300
One gene codes for one of these building blocks of life.
What is a protein?
400
The crossing over of chromosomes is a source of this important factor for species survival.
What is genetic diversity?
400
An RNA nucleotide would contain this sugar.
What is ribose?
400
This plant structure helps divide the cytoplasm at the end of telophase.
What is the cell plate?
400
When a potato cell is soaking in pure water it is called a ______ solution, and it will gain mass and swell.
What is hypotonic?
400
The "coding" nature of a gene results from the order of these in genetic expression.
What are nitrogen bases?
500
At the end of this stage in human meiosis there will be 23 chromosomes, each with two chromatids.
What is telophase I?
500
This substance helps precipitate DNA out of solution when isolating it in the laboratory.
What is ethanol?
500
As a cell grows, it must divide because this grows faster than its surface area.
What is cell volume?
500
This is a picture of all of the chromosomes for a particular species arranged from largest to smallest.
What is a karyotype?
500
Watson and Crick's model solved these two questions of the "central dogma" of genetics:
What is replication and coding for proteins?
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