Examlex
Which of the following is the correct bond-line structure for (CH3) 2CHCH2CH3?
Zooxanthellae
Endosymbiotic, photosynthetic dinoflagellates found in certain marine invertebrates; their mutualistic relationship with corals enhances the corals’ reef-building ability.
Peptidoglycan
A polymer consisting of sugars and amino acids that forms a mesh-like layer outside the plasma membrane of most bacteria, providing structural strength.
Chitin
A nitrogen-containing structural polysaccharide that forms the exoskeleton of insects and the cell walls of many fungi.
Cellulose
A complex carbohydrate that constitutes the primary cell wall of green plants, providing structural support.
Q4: What is the relationship between the following
Q23: Draw three constitutional isomers that have molecular
Q40: What is the relationship between the following
Q78: What is the relationship between the following
Q87: Which of the following tripeptides is formed
Q103: Draw in the plane of symmetry in
Q105: Predict the chemical shifts for the signals
Q109: Draw a chair conformation of ethylcyclohexane with
Q114: For the following acid-base reaction, predict which
Q118: For the following reaction label the acid,