Structure, FUnction, and Replication of nucleic acids

What is a characteristic of uracil?

• the ability to bond with adenine

• the ability to bond with thymine

• the ability to bond with cyotsine

• the ability to bond with guanine

Complementary base pairing link together-

• sugars

• nitrogenous bases

• phosphate groups

• amino acids

Which of the following sequences represent the complementary DNA sequence to the DNA strand- AGATCCGTA

• TGATGGCAT

• CTCGAATAT

• TCTAGGCAT

• CTCGAATAT

During DNA replication, the two strands of a double helix separate and new nucleotides attach themselves to the original bases. What would the complementary strand be for the sequence ATTGCGAGCTG

• CGGATACATCG

• ATTGCGAGCTA

• GTCGAGCGTTA

• TAACGCTCGAC

In wheat, the relative percentage of the bases Adenine and Cytosine in the DNA is 27% and 23% respectively. What is the likely percentages of Thymine and Guanine in the DNA?

• Thymine 23%, Guanine 23%

• Thymine 27%, Guanine 23%

• Thymine 49%, Guanine 49%

• Thymine 73%, Guanine 77%

Tags

NGSS.HS-LS3-1

What is the complementary mRNA strand to the shown DNA sequence? AACAGGTAGCTACG

• UUGUCCAUCGAUGC

• TTGTCCAUCGATGC

• AACAGGTAGCTACG

• UUGUCCUTCGAUGC

• TTGUCCAUCCAUCC

Identify the correctly matched bases found on a strand of DNA

• Adenine-Thymine

• Cytosine-Guanine

• Uracil-Cytosine

• Guanine-Adenine

• Thymine-Uracil

Which of the following statements refer to characteristics of DNA?

• 2 nucleotide strands

• 1 nucleotide strand

• code for proteins embedded in its structure

• makes copies of proteins

• Thymine

Tags

NGSS.HS-LS1-1

During DNA replication, what occurs?

• The hydrogen bonds between pairs of nitrogenous bases are broken

• The covalent bonds between pairs of nitrogenous bases are broken

• The hydrogen bonds between sugar and phosphate molecules are broken

• The covalent bonds between sugar and phosphate molecules are broken

Which describes the components of a nucleotide of DNA?

• Ribose, phosphate group, uracil

• Ribose, phosphate group, cytosine

• Deoxyribose, phosphate group, uracil

• Deoxyribose, phosphate group, adenine