Question

40) The sugar found in DNA has how many carbons: b) 2 c) 3 d) 5 e) 6 41) The two strands of DNA are held together through the: a) sugar b) phosphate e) ester d) nitrogenous base e) glycerol 42) The membrane of the cell is compose of how many layers of phospholipids: a) 1 b) 2 c) 3 d) 4 e) 5 43) Nucleotides have a sugar, a phosphate and a group: a) nucleus b) nucleic acid c) ester d) nitrogenous base e) chicken soup 44) The bacteria that cause walking pneumonia lack a: plasma membrane nucleoid region robosomes cell wall RNA

Answer 1

40] Ans--D(5c as it is a ribose sugar)

41] Ans--D(held by hydrogen bond through nitrogenous bases)

42] Ans--B(Bilayer)

43]Ans--D(Nitrogenous base)

44]Ans--E(as bacteria have pm,nucleoid region,rribosome and cell wall)