Question 21 Which of the following statements concerning unsaturated fats is correct? a They are more common in animals than plants b They contain fewer hydrogen atoms than do saturated fats with the same number of carbon atoms c They are solids at room temperature d They possess no double bonds in the carbon chains for their fatty acids
Nucleotides
It is an organic molecule made up of three basic components- a nitrogenous base, phosphate,and pentose sugar. The nucleotides are important for metabolic reactions andthe formation of DNA (deoxyribonucleic acid) and RNA (ribonucleic acid).
Nucleic Acids
Nucleic acids are essential biomolecules present in prokaryotic and eukaryotic cells and viruses. They carry the genetic information for the synthesis of proteins and cellular replication. The nucleic acids are of two types: deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). The structure of all proteins and ultimately every biomolecule and cellular component is a product of information encoded in the sequence of nucleic acids. Parts of a DNA molecule containing the information needed to synthesize a protein or an RNA are genes. Nucleic acids can store and transmit genetic information from one generation to the next, fundamental to any life form.
Question 21
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Which of the following statements concerning unsaturated fats is correct?
a They are more common in animals than plants
b They contain fewer hydrogen atoms than do saturated fats with the same number of carbon atoms
c They are solids at room temperature
d They possess no double bonds in the carbon chains for their fatty acids
Question 30
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The 3’ end of a DNA molecule has a phosphate group hanging off.
True
False
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