Unit 3 Target 2 (Part 1): DNA Vs RNA
8 Questions
| Attempts: 994
Questions and Answers
- 1.The primary function of DNA is to
- A.
Make proteins.
- B.
Store and transmit genetic information.
- C.
Control chemical processes withing cells.
- D.
Prevent mutations.
- 2.All of the following are true about DNA except
- A.
Short strands of DNA are contained in chromosomes inside the nucleus of a cell.
- B.
Every DNA nucleotide contains a sugar, a phosphate group, and a base.
- C.
DNA consists of two strands of nucleotides joined by hydrogen bonds.
- D.
The long strands of nucleotides are twisted into a double helix.
- 3.Molecules of DNA are composed of long chains of
- A.
Amino acids.
- B.
Fatty acids.
- C.
Monosaccharides.
- D.
Nucleotides.
- 4.Which of the following is not part of a molecule of DNA?
- A.
Deoxyribose.
- B.
Nitrogenous base.
- C.
Phosphate.
- D.
Ribose.
- 5.
Refer to the illustration above. The entire molecule shown in the diagram is called a(n)- A.
Amino acid.
- B.
Nucleotide.
- C.
Polysaccharide.
- D.
Pyrimidine.
- 6.RNA differs from DNA in that RNA
- A.
Is sometimes single-stranded.
- B.
Contains a different sugar molecule.
- C.
Contains the nitrogen base uracil.
- D.
All of the above
- 7.RNA is chemically similar to DNA except that its sugars have an additional oxygen atom and the base thymine is replaced by a structurally similar base called
- A.
Uracil.
- B.
Alanine.
- C.
Cytosine.
- D.
Codon.
- 8.In RNA molecules, adenine is complementary to
- A.
Cytosine.
- B.
Guanine.
- C.
Thymine.
- D.
Uracil.
Related Topics
Recent Quizzes
Featured Quizzes
Popular Topics
- Abdomen Quizzes
- Addiction Quizzes
- Aging Quizzes
- Arthritis Quizzes
- Beauty Quizzes
- Blood Quizzes
- Body Quizzes
- Bone Quizzes
- Brain Quizzes
- Child Health Quizzes
- Dermatology Quizzes
- Digestive System Quizzes
- Disease Quizzes
- Fertility Quizzes
- First Aid Quizzes
- Hair care Quizzes
- Health And Nutrition Quizzes
- Health And Wellness Quizzes
- Health Policy Quizzes
- Health Psychology Quizzes
- Health Strategy Quizzes
- Health Worldwide Quizzes
- Hearing Quizzes
- Heart Quizzes
- Hospital Quizzes
- Illness Quizzes
- Injury Quizzes
- Kidney Quizzes
- Liver Quizzes
- Lung Quizzes
- Medical Quizzes
- Mental Health Quizzes
- Nose Quizzes
- Nutrition Quizzes
- Obesity Quizzes
- Ophthalmology Quizzes
- Patient Quizzes
- Patient care Quizzes
- Pharmacy Quizzes
- Pregnancy Quizzes
- Puberty Quizzes
- Public Health Quizzes
- Respiratory System Quizzes
- Sleep Quizzes
- Stress Quizzes
- Surgery Quizzes
- Surgical Instruments Quizzes
- Throat Quizzes
- Weight Quizzes
- Wellness Quizzes
Back to top