Download DNA Review Questions - Chapter 17 1. There are four substances

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DNA Review Questions - Chapter 17
1. There are four substances present in the nucleus that researchers thought were possibly the
genetic material. Which substance did researchers show was the genetic material?
a. Protein
b. Lipids
c. Sugars
d. Nucleic acid
2.Where does RNA translation take place?
a. Nucleus
b. mitochondria c. Cytoplasm
d. cell wall
3. The central dogma for genes is:
a. RNA
→ protein → DNA
b. Protein → DNA → RNA
c. DNA → RNA → Protein d. RNA → DNA → protein
4. What is the process of copying DNA into RNA?
a. Translation
b. Mitosis
c. Meiosis
d. Transcription
5. Which statement below is a “true” difference between RNA and DNA?
a. Only DNA contains a sugar component.
b. Only RNA contains thymine.
c. Only DNA contains phosphate groups.
d. Only DNA is double-stranded.
6 Name one of the three kinds of RNA.
a. Transcribe
b. Transfer
c. Translate
d. Translution
7. DNA is copied into RNA using a process called ____________, and RNA is made into protein
using a process called __________.
a. Transformation; transcription b. Transcription; translation
c. Translation; transcription
d. Translation; transfer motion
8. DNA is copied into RNA by what process?
a. Transformation
b. Respiration
c. Transcription d. Rejection
9. What is a component of DNA?
a. Phosphate group
b. Deoxyribose
c. Bases
d. All of the above
10.What type of RNA makes protein?
a. Ribosomal
b. Transfer
c. Messenger
d. transmission
11. Which is not a DNA characteristic?
a. Double helix
b. 10 base pairs per turn
c. Single stranded
12. Which base does RNA not have?
a. Adenine
b. Cytosine
c. Guanine
d. Thymine
d. Hydrogen bonds
between bases
13. RNA is a ___________?
a. Multi-strand molecule
b. Single strand molecule
c. Type of sexual organ
d. Type of blood
14. What part of a gene controls transcription?
a. promoter
b. Prohibit transcription
c. DNA d. Facilitate transcription
15.What is NOT a kind of RNA?
a. Messenger RNA
b. Transparent RNA
c. Ribosomal RNA
d. Transfer RNA
16.What is the job of the tRNA?
a. It brings an amino acid to the ribosome
b. It encodes the recipe
c. Prohibits the transcription
d. It is part of the ribosome.
17.What is NOT one of the 3 kinds of RNA?
a. mRNA
b.rRNA c. tRNA
d. aRNA
18.What type of RNA encodes the recipe?
a. tRNA
b.mRNA
c. rRNA
d. none of the above
19. Which step occurs first when building a protein from a gene's recipe?
a. ribosome falls off the RNA at a stop codon
b. RNA polymerase opens the DNA molecule
c. ribosomes bind amino acids together
d. tRNA brings an amino acid to the ribosome
20.Translation occurs where in the cell?
a. nucleus
b. ribocentrioles
c. cytoplasm
d. cell membrane
21.What base does Uracil take place of in RNA?
a. adenine
b. guanine
c. cytosine
d. thymine
22. Which type of point mutation is usually harmless to an organism?
a. mis-sense
b. non-sense
c. silent
d. structural
23. Which type of mutation involves the formation of a pre-mature stop code being established?
a. mis-sense
b. non-sense
c. silent
d. structural
24. Which type of mutation causes the amino acid sequence to change?
a. mis-sense
b. non-sense c. silent
d. structural
25. Which type of mutation involves exchange of a piece of a chromosome with a nonhomologous chromosome? a. inversion
b. addition
c. translocation d. deletion
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