Unit 5 Review

What determines the traits of an organism?

• Relation of AT to CG base pairs

• Number of nitrogen bases in RNA

• Presence of ribose or deoxyribose in a nucleic acid

• Sequence of nitrogen bases in DNA

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Which biomolecule is used to transmit genetic information?

• Lipids

• Carbs

• Proteins

• Nucleic acids

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Of the following bases, which one is not found in DNA?

• Adenine

• Uracil

• Guanine

• Thymine

Tags

NGSS.HS-LS1-1

What is one function of nucleic acids?

• Nucleic acids are used to break hydrogen bonds during transcription.

• Nucleic acids catalyze the reactions that occur during protein synthesis.

• Nucleic acids give the instructions for traits and characteristics.

• Nucleic acids provide the energy required for replication.

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A linear code of 3 sequential bases on one side of a DNA molecule is a —

• base pair

• codon

• amino acid

• gene

Tags

NGSS.HS-LS1-1

What is one of the functions of nucleic acids?

• Stores genetic information and helps to make proteins

• Increases the rate of chemical reactions

• Stimulates metabolism in all body cells

• Activates secretion of the body's hormones

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Which of the following statements best describes how the traits of an organism are determined by the DNA in their cells?

• DNA provides the energy needed for an organism to grow and function.

• DNA is copied into mRNA, which controls cellular functions.

• DNA codes for proteins which allow an organism to grow and function.

• DNA unzips and each strand codes for a different amino acid.

Tags

NGSS.HS-LS1-1

What is the function of the nucleic acid tRNA?

• Carries genetic information from the DNA to ribosomes

• Carries amino acids to protein-building ribosomes

• Facilitates chemical reactions that form ribosomes

• Serves as the site of protein synthesis

What is the function of mRNA?

• Carrying the genetic message from DNA in the nucleus to the ribosomes

• Providing the energy for the duplication of cells

• Preventing mutations in the genetic code

• Storing food material for keeping cells alive

Tags

NGSS.HS-LS1-1

When the process of mitosis is correctly completed, the daughter cells should contain exact copies of all of an organism's genes. Which biomolecule contains all of an organism's genes?

• Carbs

• Lipids

• Proteins

• Nucleic acids

Tags

NGSS.HS-LS1-4

NGSS.HS-LS3-2