DNA Article

What is the primary function of DNA in living organisms?

• To store biological instructions unique to each species

• To provide energy for cellular processes

• To protect cells from external damage

• To transport nutrients within the body

Tags

NGSS.HS-LS3-1

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

• A sugar molecule

• A phosphate molecule

• A lipid molecule

• A base

How do DNA bases pair up with each other?

• A with T and C with G

• A with C and T with G

• A with G and C with T

• A with T and G with C

What is the significance of the sequence of bases in DNA?

• It determines the information available for building and maintaining an organism

• It provides the energy required for cellular functions

• It protects the DNA from damage

• It helps in the transportation of molecules within the cell

Tags

NGSS.HS-LS1-1

What is DNA profiling used for in forensic science?

• To identify a matching DNA of an individual

• To determine the age of a person

• To assess the health condition of an individual

• To find the nutritional needs of a person