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1. Unlike DNA, RNA contains
a double strand
Nucleic acid structure
2. In transcription, uracil will bond with:
3. The first team of scientist to document the structure of DNA was:
Franklin and Wilkins
Watson and Crick
Pauling and Chargoff
None of the above
4. Organelles that synthesize protein are:
5. Most of the time in a cell's life, it's DNA is in the form of:
6. Uracil is a nitrogen base that pairs with adenine. Using this information, one could conclude that uracil is a:
Neither a purine or pyrimidine
Not enough information
7. a nucleotide does not consist of a:
8. The genetic code in DNA of an individual depends on the sequence (order) of:
9. Before a cell divides, it must duplicate its DNA in a process known as:
10. The basic unit (building block) of a protein is a (an):
11. Unlike DNA, RNA contains:
12. The structure of DNA was first documented in:
13. In DNA replication, the new molecules produced are:
of unequal length
both assembled in the same direction
built with purines as the backbone
assembled in opposite directions
14. The "backbone" of DNA is composed of:
ribose and phosphates
deoxyribose and phosphates
ribose and uracil
deoxyribose and thymine
15. RNA differs from DNA in which of the following ways?
RNA is single-stranded
RNA contains ribose
RNA does not contain thymine
All of the above
16. Which of the following is NOT required for the transcription process itself?
1.Which of the following is not true about DNA? a) it is found both in the nucleus and the cytoplasm b)it is double stranded and the standards are connected by hydrogen bonds between the base pairs c) A purine base always pairs with a pyrimidine base to make up the DNA code d) it is the control center for both cell activity and heredity 2.Which of the following represents accurate base pairing in DNA ?a) Adenine to Adenine b)Adenine to Uracil c)Thymine to Cytosine d)Adenine to Thymine 3. Purines and Pyrimidines are found a) DNA only b)RNA only c) A and B d)In proteins 4.The bond that forms between carbohydrates is called a)peptide bond b) ester bond c) glycoside bond d)never ending bone 5. Which of the following does not dissolve readily in water? a)proteins b) amono acids c) steroids d) carbohydrates 6. The following arrangement of amino acids represents what level of structure ? ABACABDD a)Primary b)Secondary c)Tertiary d)Quaternary
1. _________________________ is the name of the process that produces proteins using RNA molecules.
2. The peptide bonding site on the ribosome:
a. A site
b. P site
c. E site
d. D site
3. The name given to the bond formed between two amino acids.
a. Hydrogen bond
b. Double bond
c. Peptide bond
d. Negative bond
4. __________________________ is the movement of the mRNA molecule on the ribosome to open up the A-site for the new incoming amino acid.
5. What does the term semi-conservative mean.
a. Replication of RNA is semi-conservative, each new strand consists of one old strand of RNA and one new strand of RNA.
b. Replication of DNA is semi-conservative, each new strand consists of one old strand of DNA and one new strand of DNA.
c. Replication of DNA is semi-conservative, each new strand consists of new strands of nucleotides.
d. Transcription of RNA is semi conservative.
6. This molecule functions during protein synthesis to recognize the codon and bring the proper amino acid back to the ribosome for translation.
d. DNA polymerase
7. What is meant by the base-pairing rule.
a. Bases on a single strand of DNA are always found as pairs
b. Adenine always base pairs with guanine; cytosine with thymine
c. Adenine always base pairs with thymine; cytosine with guanine
d. Bases on a single strand of RNA are found in pair.
8. In this step of protein synthesis, amino acids are added to a growing polypeptide chain.
9. Three complementary bases found in a mRNA are called ____________________.
10. Which statement best describes the job or function of the messenger RNA.
a. Carries the map of the gene sequence in the form of codons to the cytoplasm
for translation of the protein.
b. It transfers amino acids to the ribosome for protein synthesis.
c. It forms the ribosomes.
d. It helps replicate DNA.