Biology Quiz

Which of these is most responsible for carrying coded information from the nucleus to the ribosome?

• tRNA

• DNA

• mRNA

• ATP

DNA and RNA are similar because they both contain

• deoxyribose

• double helices

• thymine

• nucleotides

If one strand of DNA has the sequence G-C-C-A-T-A, the sequence of bases on the complementary DNA strand will be

• A-T-T-G-C-G

• C-G-G-U-A-U

• G-C-C-C-A-T-A

• C-G-G-T-A-T

Transcription of the DNA sequence below would most directly result in which of the following? A-A-G-C-T-G-G-G-A

• A sequence of three amino acids, linked by peptide bonds.

• A DNA strand with the base sequence T-T-C-G-A-C-C-C-T.

• An mRNA strand with the sequence T-T-C-G-A-C-C-C-T.

• An mRNA strand with the sequence U-U-C-G-A-C-C-C-U.

The chart below matches messenger RNA codons with amino acids. A DNA strand has the codon TCA. According to the chart, the corresponding messenger RNA codes for which of the following amino acids?

• glycine

• leucine

• alanine

• serine

Tags

NGSS.HS-LS1-1

A set of 3 nitrogen bases is known as a(n) ___________

• codon

• amino acid

• nucleotide

• anticodon

The monomer of DNA; it is composed of a phosphate, sugar, and nitrogen base

• translation

• replication

• mutations

• nucleotide

• recombinant DNA

Which of the following is NOT a component of a DNA nucleotide?

• phosphate

• nitrogen base

• deoxyribose sugar

• ribose sugar

Which of the following does NOT describe RNA?

• single stranded

• may contain uracil

• may contain thymine

• contains ribose sugar

If a cell DNA contains 20% Adenine, what percent of the cell’s DNA will be Guanine?

• 10%

• 20%

• 30%

• 40%