2 Which type of fatty acid contains double bonds between carbon atoms? A Saturated fatty acid B Unsaturated fatty acid C Trans fatty acid D Essential fatty acid
3 Which of the following is a structural polysaccharide found in the exoskeleton of insects? A Starch B Glycogen C Cellulose D Chitin
4 What is the building block of nucleic acids? A Amino acid B Nucleotide C Monosaccharide D Fatty acid
6 During which process is mRNA used to make a protein? A Replication B Transcription C Translation D Mutation
9 Which process uses information from mRNA to build a protein? A Replication B Transcription C Translation D Mutation
10 Which type of RNA carries amino acids to the ribosome during protein synthesis? A mRNA B tRNA C rRNA D snRNA
13 Which scientist(s) proposed the double-helix model of DNA? A Gregor Mendel B Watson and Crick C Charles Darwin D Louis Pasteur
14 Which of the following is NOT a function of lipids? A Long-term energy storage B Thermal insulation C Catalyzing chemical reactions D Forming cell membrane structure
18 Which biomolecule is the main component of the cell membrane? A Carbohydrates B Proteins C Lipids D Nucleic acids
19 Which scientists proposed the double-helix model of DNA? A Mendel and Morgan B Watson and Crick C Darwin and Wallace D Pasteur and Koch
20 The double-helix model of DNA was proposed by: A Watson and Crick B Chargaff C Meselson and Stahl D Hershey and Chase
22 Which of the following is a storage polysaccharide in plants? A Glycogen B Cellulose C Starch D Chitin
25 Which of the following is a saturated fatty acid? A Oleic acid B Linoleic acid C Stearic acid D Linolenic acid