Quiz 3.2-Science10

Which 2 molecules form the sides (backbone) of the DNA ladder?

• ribose sugar and phosphate

• deoxyribose sugar and a hydrogen bond

• deoxyribose sugar and the bases

• deoxyribose sugar and phosphate

What is the difference between DNA and RNA in terms of bases?

• RNA contains uracil in place of thymine

• RNA contains uracil in place of adenine

• RNA contains uracil in place of guanine

• RNA contains uracil in place of  cytosine

Which type of RNA functions as a blueprint of the genetic code?

• mRNA

• rRNA

• tRNA

During DNA replication, a DNA strand that has the bases CTAGGT produces a complementary strand with the bases

• GAUCCA

• AGCTTG

• GATCCA

• TCGAAC

What does the figure show?

• anticodons

• codons

• the genetic code

• the central dogma

A process in which DNA has the unique ability to make an exact copy of itself.

• Replication

• Translation

• Transcription

• Gene therapy

How many nucleotide bases occur in nucleic acid?

• four

• five

• six

• infinite

Where can DNA be found?

• cytoplasm

• endoplasmic reticulum

• nucleus

• ribosome

Which of the following is the correct base pairing?

• A-C, G-T

• G-A, T-C

• C-T, G-A

• A-T, G-C

What is the PRIMARY function of nucleic acids?

• store energy (long-term)

• store genetic information

• build skin, hair, nails, muscles

• store energy (short-term)