multuple choice _______1. which of the following is notv a nucleotide? a. adenine b. guanine c. thymine d. uracil ______2. which statement best describes the sugar and fats used by living organisms? a. sugar molecules are inorganic and fat molecules are organic. b. sugar molecules are organic and fat molecules are inorganic c. energy for life processes can be stored within the chemical bonds of both molecules. d. energy for life process can be stores within the chemical bonds of sugar molecules only. _____3. which two elements are always found in amino acids? a. nitrogen and sulfur b. hydrogen and phosporous c. sulfur and oxygen d. carbon and oxygen ________4. which statement is true about phospholipids? a. it is made up of three fatty acids attached to a glycerol b. it is made up of two fatty acids and a phosphate-containing group. c. it exists asfats and oils. d. cholesterol and hormones are examples of phospholipids,.
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.
multuple choice
_______1. which of the following is notv a
a. adenine
b. guanine
c. thymine
d. uracil
______2. which statement best describes the sugar and fats used by living organisms?
a. sugar molecules are inorganic and fat molecules are organic.
b. sugar molecules are organic and fat molecules are inorganic
c. energy for life processes can be stored within the
d. energy for life process can be stores within the chemical bonds of sugar molecules only.
_____3. which two elements are always found in amino acids?
a. nitrogen and sulfur
b. hydrogen and phosporous
c. sulfur and oxygen
d. carbon and oxygen
________4. which statement is true about phospholipids?
a. it is made up of three fatty acids attached to a glycerol
b. it is made up of two fatty acids and a phosphate-containing group.
c. it exists asfats and oils.
d. cholesterol and hormones are examples of phospholipids,.
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