Please help!
1. RNA contains____, which replaces___ in DNA
a. Adenine, cytosine
b. uracil, thymine
c. thymine, adenine
d. guanine, cytosine
2. Which of the following are involved in protein synthesis?
a. transfer RNA only
b. messenger RNA only
c. ribosomal RNA and transfer RNA only
d. messenger RNA, ribosomal RNA, and transfer RNA
3. Which pf the following makes a copy of DNA to serve as the pattern for genetic code and protein synthesis?
a. rRNA
b. tRNA
c. mRNA
d. RNA polymerase
4. Which sugar is present in the structure of RNA?
a. ribose
b. deoxyribose
c. glucose
d. lactose
5. What is the product of transcription?
a. RNA molecules
b. DNA molecules
c. RNA polymerase
d. proteins
6.
a. leucine
b. Proline
c. tyrosine
d. serine
7. What occurs during the translation process?
a. Messenger RNA is made from DNA.
b. The cell uses information from messenger RNA to produce proteins.
c. Transfer RNA is made from messenger RNA
d. Copies of DNA molecules are made.
8. Genes contain the keys for constructing
a. purines
b. nucleosomes
c. proteins
d. pyrimidines
9. Which of the following is a point mutation?
a. A mutation involving a segment of a chromosome
b. A mutation involving the addition of one or more nucleotides into a segment of DNA
c. A mutation involving a single nucleotide
d. A mutation involving one chromosome breaking off and attaching to a different chromosome
10.
a. AAG
b. CGC
c. UUU
d. CCC
11. Which of these is a nucleotide found in RNA?
a. ribose + phosphate group + thymine
b. ribose + phosphate group + uracil
c. deoxyribose + phosphate group + uracil
d. deoxyribose + phosphate group + cytosine
12. DNA replication results in two DNA molecules.
a. each with two new strands.
b. one with two new strands and the other with two original strands.
c. each with one new strand and one original strand.
d. each with two original strands.
13.
a. DNA molecule.
b. amino acid.
c. RNA molecule.
d. protein.
14. DNA is copied during an action called
a. replication
b. translation
c. transcription
d. transformation
15. What is the mRNA sequence that will be formed from the DNA sequence below?
TAC CGG ATG CCA GAT CAA ATC
Answer:
