OBJECTIVE LIFE SCIENCE
BIOCHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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carbohydrates always have rings
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carbohydrates contain nitrogen
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carbohydrates consist of a carbon bonded to hydrogen and a hydroxyl group
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carbohydrates contain nucleic acids
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Detailed explanation-1: -Chiral carbon atoms can be recognized easily because they are carbon atoms that have each of their four tetrahedral bonds connected to different atoms or groups of atoms. The two different arrangements of the four groups in space (configurations) are what are called nonsuperimposable mirror images (Fig. 1.1).
Detailed explanation-2: -Carbohydrates can be divided into two main types: simple and complex. Simple carbohydrates are made up of just one or two sugar units, whereas complex carbohydrates are made up of many sugar units.
Detailed explanation-3: -Which of the following makes carbohydrates unique from the other biological macromolecules? Carbohydrates are composed of carbon and water in a ratio of 1 carbon atom to 1 water molecule.