Lets review!. 1. What are chromosomes and why are they important to us?. Chromosomes are carriers of genetic material and are made up of DNA. 2 . What can gel electrophoresis tell you?. Kids parents because they share DNA.
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Chromosomes are carriers of genetic material and are made up of DNA
Kids parents because they share DNA
4. We all have the same nucleotides(same basic ingredients) but why do we look different?
Because the nucleotides can be arranged, sequenced, differently
6. DNA is made up of subunits called _________.
7. What sugar does DNA contain?
8. Name the 4 DNA nitrogen bases.
A, T, C, G
9. DNA makes up carriers of genetic material called ____________.
10. The sequence of nucleotides in living organisms is called the ____________ information(code).
11. What are the sides of a DNA ladder composed of?
Alternating sugars and phosphates
12. A copy of DNA is made through a process known as __________.
13. A strand of nucleotides given is ACG TAG GCT. What is the complimentary DNA strand?
TGC ATC CGA
14. Why must DNA replicate itself during the first stages of mitosis and meiosis?
DNA must copy itself so when the parent cell divides into 2 new daughter cells, they will each have the same amount of DNA.
Inserting a foreign gene
17. What is Genetic engineering?
Take a piece of DNA out of an organism and replace it with another piece of DNA
19. Given the following base sequence- CGC AAT, how would the base sequence be coded on mRNA?
20 Identify the 3 parts of a RNA nucleotide.
Sugar, Phosphate, Nitrogen Base
21. Name the sugar in DNA and RNA.
A, U, C, G
23. What is the function of mRNA?
mRNA carries information from DNA out to the ribosomes so proteins can be made.
24. What is transcription?
The process of making DNA from RNA
B/c DNA cannot leave the nucleus, RNA carries the code from the nucleus to the ribosome.
26. What is Translation?
The process of making(assembling amino acids) proteins with the information on mRNA.
DNA b/c it has A, T, C, and G- DNA’s 4 nitrogen bases
30. A strand of mRNA containing the repeating sequence GCA UUC ACG would code for which of the following amino acid sequences?
Alanine, phenylalanine, threonine
3, 3 groups of codons
32. There are only 20 amino acids, get looking at the chart there are many types of proteins, why?
There are so many different possibilities the letters could be in
Several types of DNA combined