The structures of D-ribose and D-arabinose are shown below.These two molecules are ________. 
Definitions:
Barium Enema
A diagnostic imaging procedure that involves filling the colon with a barium solution to improve the visibility of the colon on X-ray images for the detection of abnormalities.
Lower GI Series
A diagnostic procedure that uses X-rays to visualize the lower gastrointestinal tract, including the colon and rectum.
X-ray
A form of electromagnetic radiation used in medical imaging to create pictures of the inside of the body, particularly bones and certain tissues.
Suspected Allergen
A substance believed to trigger an allergic reaction in an individual, requiring identification and avoidance.
Q8: The first treatment of a crude protein
Q13: wax<br>A)constricts blood vessels<br>B)synthesis of bacterial cell wall<br>C)blood
Q26: Which is the largest B vitamin?<br>A)B1<br>B)B6<br>C)B8<br>D)B12
Q27: Cholesterol accounts for 20% to 25% of
Q44: In a typical eukaryotic plasma membrane,<br>A)oligosaccharides face
Q60: Some Net marketplaces support contractual purchasing based
Q65: Businesses are starting to use social networking
Q76: What is the purpose of SDS in
Q80: The primary structure of a protein specifically
Q81: Even though mass spectrometry has been in