What is the basic unit of life?
Cell
Atom
Molecule
Organism
Which molecule stores genetic information in living organisms?
DNA
RNA
Protein
Carbohydrate
Which of the following is a macromolecule composed of amino acids?
Protein
Lipid
Carbohydrate
Nucleic Acid
Enzyme
Which molecule is the primary source of energy for cellular processes?
ATP
Glucose
Lipid
Protein
What is the chemical formula for glucose?
C6H12O6
H2O
CO2
NaCl
Which molecule is responsible for carrying oxygen in red blood cells?
Hemoglobin
Chlorophyll
Insulin
Collagen
Which molecule is the main component of cell membranes?
Phospholipid
Protein
Carbohydrate
Cholesterol
Which molecule is responsible for carrying genetic information in some viruses?
RNA
DNA
Protein
Lipid
What is the chemical formula for water?
H2O
CO2
NaCl
C6H12O6
Which molecule is responsible for storing and transmitting genetic information in all living organisms?
DNA
RNA
Protein
Carbohydrate
Which molecule is the main component of plant cell walls?
Cellulose
Starch
Lipid
Protein
Which molecule is responsible for carrying out chemical reactions in living organisms?
Enzyme
Hormone
Antibody
Nucleic Acid
Which molecule is responsible for storing and releasing energy in cells?
ATP
Glucose
Lipid
Protein
Which molecule is responsible for carrying oxygen in plants?
Chlorophyll
Hemoglobin
Insulin
Collagen
Which molecule is responsible for providing structural support to tissues in animals?
Collagen
Keratin
Hemoglobin
Insulin
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