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DNA
RNA
DNA Replication
Protein Synthesis
Other Stuff....
100
The condensed, compacted DNA forms this......
What is a chromosome?
100
Ribonucleic acid has this many strands.
What is one?
100
The DNA is copied or replicated during this phase---just before the beginning of mitosis.
What is Interphase?
100
All proteins are made up of these "smaller units"--there are twenty different ones that occur in nature.
What are amino acids?
100
This is a section of DNA on the chromosome that tells the cell what protein to make--it controls your traits.
What is a gene?
200
The DNA molecule looks like this.
What is a double helix or twisted ladder?
200
Instead of Thymine, RNA contains this nitrogen base which pairs with adenine.
What is uracil (U)?
200
This enzyme breaks the hydrogen bonds holding the nitrogen bases together and "unzips" the DNA.
What is helicase?
200
Protein synthesis occurs here.
What are the ribosomes?
200
The order of nitrogen bases along a gene is called this.
What is the genetic code?
300
The nitrogen base adenine always pairs with this base. AND the nitrogen base guanine always pairs with this one.
What are thymine (T) and cytosine (C)?
300
What feature of RNA makes it a good "helper" for the DNA to make proteins?
What is "it can leave the nucleus to go to the ribosomes"?
300
The free-floating bases that make up the new DNA strand are found here.
What is in the nucleus?
300
This type of RNA carries amino acids from the cytoplasm to the ribosome and matches them up with the code on the mRNA.
What is tRNA (transfer RNA)?
300
Any permanent change in a gene or chromosome is called this.
What is a mutation?
400
The sides of the DNA molecule are made up of these two things.
What are deoxyribose and phosphate?
400
RNA does not contain deoxyribose. Instead, it contains this sugar.
What is ribose?
400
After DNA replication, the one, "double-stranded" DNA molecule becomes this.
What are two, "double-stranded" DNA molecules?
400
Each amino acid is made up of a group of three of these.
What are nitrogen bases?
400
Proteins give us our traits--but they also help to do these four other things.
What are: build cells, repair cells, fight disease, work as enzymes?
500
These two men are credited with bringing us the model of DNA. And this woman died before she got full credit for her work on the structure of DNA.
Who are Watson, Crick and Rosalind Franklin?
500
These are the two types of RNA.
What are tRNA (transfer RNA) and mRNA (messenger RNA)?
500
This enzyme helps to pair free-floating bases with the exposed bases on the unzipped DNA--it helps build the new molecule.
What is DNA Polymerase?
500
This type of RNA copies the code off the DNA and then leaves the nucleus and attaches to the ribosomes.
What is mRNA (messenger RNA)?
500
These are the four nitrogen bases found in DNA.
What are adenine, thymine, cytosine, guanine?