CP Bio Spring Exam Review

RNA contains the sugar:

• ribose

• deoxyribose

• glucose

• lactose

Unlike DNA, RNA contains:

• adenine

• uracil

• phosphate groups

• thymine

Which of the following are found in both DNA and RNA?

• ribose, phosphate groups, and adenine

• deoxyribose, phosphate groups, and guanine

• phosphate groups, guanine, and cytosine

• phosphate groups, guanine, and thymine

Which of the following is true?

• RNA is usually single-stranded.

• DNA is usually single-stranded.

• RNA contains uracil.

• DNA contains thymine.

Which type of RNA brings the information in the genetic code from the nucleus to other parts of the cell?

• rRNA

• tRNA

• mRNA

• RNA polymerase

Which molecules are involved in protein synthesis?

• transfer RNA, introns, and mutagens

• messenger RNA, introns, and ribosomal RNA

• ribosomal RNA, transfer RNA, and mutagens

• messenger RNA, ribosomal RNA, and transfer RNA

From which molecules are mRNA molecules transcribed?

• tRNA

• rRNA

• DNA

• proteins

What is produced during transcription?

• RNA molecules

• DNA molecules

• RNA polymerase

• proteins

There are 64 codons and 20 amino acids. Which of the following is true?

• Several different codons can specify the same amino acid

• Each codon specifies a different amino acid

• Some amino acids have no link to a codon

• Each amino acid is specified by only one codon

Tags

NGSS.HS-LS1-1

What happens during translation?

• Messenger RNA is made from a DNA code

• The cell uses a messenger RNA code to make proteins

• Transfer RNA is made from a messenger RNA code

• Copies of DNA molecules are made