Question

The following statements provide an overview of the structure of DNA (the genetic material) and its role in the body. Choose responses from the key choices that complete the statements. Insert the appropriate answers in the answer blanks. Key Choices A. Adenine G. Enzymes M. Nucleotides S. Ribosome B. Amino acids H. Genes N. Old T. Sugar (deoxyribose) C. Bases I. Growth O. Phosphate U. Template, or model D. Codons J. Guanine P. Proteins V. Thymine E. Complementary K. Helix Q. Replication W. Transcription F. Cytosine L. New R. Repair X. Uracil 1. DNA molecules contain information for building specific (1). In a three-dimensional view, a DNA molecule looks like 2. a spiral staircase; this is correctly called a (2). The constant parts of DNA molecules are the (3) and (4) molecules, 3. forming the DNA-ladder uprights, or backbones. The information of DNA is actually coded in the sequence of nitrogen-containing (5), which are bound together to form the "rungs" of 4. the DNA ladder. When the four DNA bases are combined in different three-base sequences, called triplets, different (6) of 5. the protein are called for. It is said that the N-containing bases of DNA are (7), which means that only certain bases can fit 6. or interact together. Specifically this means that (8) can bind with guanine, and adenine binds with (9). 7. The production of proteins involves the cooperation of DNA 8. and RNA. RNA is another type of nucleic acid that serves as a "molecular slave" to DNA. That is, it leaves the nucleus and 9. carries out the instructions of the DNA for the building of a protein on a cytoplasmic structure called a (10). When a cell 10. is preparing to divide, in order for its daughter cells to have all its information, it must oversee the (11) of its DNA so that 11. a "double dose" of genes is present for a brief period. For DNA synthesis to occur, the DNA must uncoil, and the bonds 12. between the N-bases must be broken. Then the two single strands of (12) each act as a (13) for the building of a 13. whole DNA molecule. When completed, each DNA molecule formed is half (14) and half (15). The fact that DNA replicates before a cell divides ensures that each daughter cell has a 14. complete set of (16). Cell division, which then follows, provides new cells so that (17) and (18) can occur. 15. 16. 17. 18.

          The following statements provide an overview of the structure of DNA (the genetic material) and its role in the body. Choose responses from the key choices that complete the statements. Insert the appropriate answers in the answer blanks.

Key Choices
A. Adenine G. Enzymes M. Nucleotides S. Ribosome
B. Amino acids H. Genes N. Old T. Sugar (deoxyribose)
C. Bases I. Growth O. Phosphate U. Template, or model
D. Codons J. Guanine P. Proteins V. Thymine
E. Complementary K. Helix Q. Replication W. Transcription
F. Cytosine L. New R. Repair X. Uracil

1. DNA molecules contain information for building specific (1). In a three-dimensional view, a DNA molecule looks like
2. a spiral staircase; this is correctly called a (2). The constant parts of DNA molecules are the (3) and (4) molecules,
3. forming the DNA-ladder uprights, or backbones. The information of DNA is actually coded in the sequence of nitrogen-containing (5), which are bound together to form the "rungs" of
4. the DNA ladder. When the four DNA bases are combined in different three-base sequences, called triplets, different (6) of
5. the protein are called for. It is said that the N-containing bases of DNA are (7), which means that only certain bases can fit
6. or interact together. Specifically this means that (8) can bind with guanine, and adenine binds with (9).
7. The production of proteins involves the cooperation of DNA
8. and RNA. RNA is another type of nucleic acid that serves as a "molecular slave" to DNA. That is, it leaves the nucleus and
9. carries out the instructions of the DNA for the building of a protein on a cytoplasmic structure called a (10). When a cell
10. is preparing to divide, in order for its daughter cells to have all its information, it must oversee the (11) of its DNA so that
11. a "double dose" of genes is present for a brief period. For DNA synthesis to occur, the DNA must uncoil, and the bonds
12. between the N-bases must be broken. Then the two single strands of (12) each act as a (13) for the building of a
13. whole DNA molecule. When completed, each DNA molecule formed is half (14) and half (15). The fact that DNA replicates before a cell divides ensures that each daughter cell has a
14. complete set of (16). Cell division, which then follows, provides new cells so that (17) and (18) can occur.
15.
16.
17.
18.

The following statements provide an overview of the structure of DNA (the genetic material) and its role in the body. Choose responses from the key choices that complete the statements. Insert the appropriate answers in the answer blanks.

Key Choices
A. Adenine G. Enzymes M. Nucleotides S. Ribosome
B. Amino acids H. Genes N. Old T. Sugar (deoxyribose)
C. Bases I. Growth O. Phosphate U. Template, or model
D. Codons J. Guanine P. Proteins V. Thymine
E. Complementary K. Helix Q. Replication W. Transcription
F. Cytosine L. New R. Repair X. Uracil

1. DNA molecules contain information for building specific (1). In a three-dimensional view, a DNA molecule looks like
2. a spiral staircase; this is correctly called a (2). The constant parts of DNA molecules are the (3) and (4) molecules,
3. forming the DNA-ladder uprights, or backbones. The information of DNA is actually coded in the sequence of nitrogen-containing (5), which are bound together to form the "rungs" of
4. the DNA ladder. When the four DNA bases are combined in different three-base sequences, called triplets, different (6) of
5. the protein are called for. It is said that the N-containing bases of DNA are (7), which means that only certain bases can fit
6. or interact together. Specifically this means that (8) can bind with guanine, and adenine binds with (9).
7. The production of proteins involves the cooperation of DNA
8. and RNA. RNA is another type of nucleic acid that serves as a "molecular slave" to DNA. That is, it leaves the nucleus and
9. carries out the instructions of the DNA for the building of a protein on a cytoplasmic structure called a (10). When a cell
10. is preparing to divide, in order for its daughter cells to have all its information, it must oversee the (11) of its DNA so that
11. a "double dose" of genes is present for a brief period. For DNA synthesis to occur, the DNA must uncoil, and the bonds
12. between the N-bases must be broken. Then the two single strands of (12) each act as a (13) for the building of a
13. whole DNA molecule. When completed, each DNA molecule formed is half (14) and half (15). The fact that DNA replicates before a cell divides ensures that each daughter cell has a
14. complete set of (16). Cell division, which then follows, provides new cells so that (17) and (18) can occur.
15.
16.
17.
18.

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