DNA—The Secret of Life
DNA video questions
Name:_________________________ Period __
1.
What molecule is the secret of life?
2.
What is the shape of DNA?
3.
What are the big bundles of DNA that become visible as the cell divides?
4.
What programs every cell of the juggler’s body?
5.
What are the four nitrogenous bases that make the DNA code?
6.
What scientists discovered the shape of DNA?
7.
Rosalind Franklin in London took a(n) ________________________________________ that showed
DNA to have a(n) _________________________ shape.
8.
How many base pairs are there in one molecule of DNA?
9.
The precise order of the code letters (bases) of the molecule carries _______________________.
10. What does A always pair with in DNA?
11. What does G always pair with in DNA?
12. What is the process of copying DNA called?
13. During replication, the original strand is unzipped and used as a ______________________ to
build the new strand.
14. Accuracy of DNA replication is __________ times better than replication of files by today’s
computers.
15. A(n) __________________ is a length of DNA code letters (bases) that carries the instructions
to make a(n) _____________________.
16. What are the main ingredients to our structures such as our eyes, hair, and muscles?
17. _________________________ are the miniature engines of life. What are these made out of?
18. DNA is simply a set of instructions to build _____________________________.
19. What highly specialized protein carries oxygen in our blood?
20. What are the building blocks of proteins? _____________________________ How many are there?
21. How many DNA letters code for all the amino acids in our bodies?
22. When DNA transcribes to mRNA, what is different from when DNA replicates itself?
23. Where does mRNA head after transcription?
24. What will a string of amino acids build?
25. What brings an amino acid to a ribosome?
26. True or False? Ribosomes cannot make more than two kinds of protein.
27. How many molecules of hemoglobin does our bone marrow make per second?
28. What disease in the movie affects the body’s hemoglobin?
29. How many code letters are different in a person with sickle cell anemia?
30. How do people get sickle cell anemia?
31. The ______________________________________________ Project is the mapping of human genes.
32. What percent of DNA actually codes for proteins?
33. Who said all species are descended from a common ancestor?
34. ____% of a fruit fly’s genes are the same as ours.