Welcome to your CIE AS Nucleic acids and protein synthesisChoose the correct statement regarding DNA replication. This is a process by which a cell does not make an identical copy of its DNA. Free DNA nucleotides are essential for DNA replication. This process occurs at the end of every cell division. When the cell divides, each daughter cell will inherit different copies of DNA.Which statement about base pairing in nucleic acids is not correct? Guanine only pairs with cytosine Thymine can pair with either adenine or uracil. Uracil only pairs with adenine Adenine can pair with either thymine or uracilThe enzyme responsible for forming hydrogen bonds during the process of DNA replication. DNA ligase DNA polymerase DNA helicase LactaseChoose the incorrect statement regarding DNA replication. No enzymes are involved in the process. It begins with the unwinding of the double helix. It involves a series of processes. It is an energy consuming process.What is the function of tRNA in protein synthesis? Carries the code for building a specific protein. Carries relevant amino acids upto the ribosome. It rewrites the sequence of bases of a section of DNA in a process called transcription. Ribosome formation.What is the function of mRNA in protein synthesis? Transcripts the base sequence of DNA molecule and carries to the cytoplasm. Unwinds the DNA double helix. Associates with a set of proteins to form ribosomes. Deciphers the codons.A condensation reaction between two nucleotides forms the following bond. Ionic bond Phosphodiester bond Glycosidic bond Sulphide bondWhich of the following statement is incorrect regarding RNA? RNA has the base uracil. The RNA nucleotides are joined to form a single strand. RNA is a type of nucleic acid called ribonucleic acid. The RNA nucleotides are joined by a bond between two successive phosphate groups.What is the function of rRNA? Forms ribosomes which act as the site for protein synthesis. Helps in the process called transcription. Helps in unwinding the DNA strands. Helps in the process called translation.What can be found in both DNA and messenger RNA (mRNA)? Sugar-phosphate chain Double helix structure Ribose ThymineTime is Up!