Definition of Nucleic acid Hybridization

According to the scientists, life came from ___________. A: combination of energy and biochemical materials B: combination of nucleic acid and amino molecules C: nucleic acid molecules D: amino acid molecules

Among the final degraded products of nucleic acids, bases cannot be absorbed in intestine.( )

Which of the following methods is not included in gene diagnosis? A: Gene targeting B: PCR C: Nucleic acid hybridization D: Gene chip

The biological macromolecules that can be used as animal energy reserves include: A: choleserol B: nucleic acids C: glycogen D: fats E: proteins

Which of the following components of cell membrane is most likely to function as a receptor in cell-cell communication？ A: lipids B: cholesterols C: carbohydrates D: nucleic acids E: proteins

Which of the following statements about the diagnosis of COVID-19 is NOT correct? A: CT can be replaced with chest X-ray film. B: Both nucleic acid test and lung CT are needed and have their own significances. C: Lung CT is very important in early diagnosis, progress evaluation and prognosis prediction. D: Nucleic acid test is the sole evidence for the confirmation of COVID-19 E: CT cannot be replaced with chest X-ray film.

Which of the following bond link the nucleotide in the primary structure of nucleic acid? () A: peptide<br/>bond B: hydrogen bond C: 3′,5′-phosphodiester bond D: salt bond E: hydrophobic bond

Which<br/>of the following virus structure is derived from host cell membranes() A: nucleic<br/>acid B: capsid<br/>protein C: lipid<br/>bilayer D: sugar<br/>in spikes E: protein<br/>in spikes

The correct descriptions about prion are A: It is a normal component of mammalian brain cells. B: The secondary structure is rich in α-helices. C: The prions with structural variations can aggregate with each other to form amyloid fiber precipitation. D: The prions are viruses containing nucleic acids.