Question

complete the puzzle.
down

1. sugar and this group form the backbone of dna
2. adenine pairs with the base in rna
3. building blocks of proteins
4. location of ribosomes
5. guanine always pairs with this base
6. type of sugar in dna
7. type of rna that brings amino acids to the ribosome
8. # of strands in a molecule of dna
9. type of rna that copies dnas genetic code

across

1. location of dna in eukaryotic cells
2. building blocks of dna
3. adenine pairs with this base in dn
4. type of sugar in rna
5. # of strands in a molecule of rna
6. a nucleotide is made up of a suga phosphate, and a...

Explanation:

Filled in the crossword using key DNA/RNA molecular biology terms matching the clues:

1. Down 1: Phosphate forms DNA backbone with sugar.
2. Down 2: Uracil pairs with adenine in RNA.
3. Down 3: Amino acids build proteins.
4. Down 4: Cytoplasm is ribosome location.
5. Down 5: Cytosine pairs with guanine.
6. Down 6: Deoxyribose is DNA's sugar.
7. Down 7: tRNA transfers amino acids to ribosomes.
8. Down 10: DNA has 2 strands.
9. Down 11: mRNA copies DNA's genetic code.
10. Across 8: Nucleus holds eukaryotic DNA.
11. Across 9: Nucleotides are DNA building blocks.
12. Across 10: Thymine pairs with adenine in DNA.
13. Across 12: Ribose is RNA's sugar.
14. Across 13: RNA has 1 strand.
15. Across 14: A nucleotide has a sugar, phosphate, and base.

Answer:

Completed Crossword (filled missing letters):

Across:

1. NUCLEUS
2. NUCLEOTIDES
3. THYMINE
4. RIBOSE
5. ONE
6. BASE

Down:

1. PHOSPHATE
2. URACIL
3. AMINO ACIDS
4. CYTOPLASM
5. CYTOSINE
6. DEOXYRIBOSE
7. TRNA
8. TWO
9. MRNA

(Grid filled with the above terms to match the numbered spaces)