What holds one strand against the other in the double helix

Which is larger a monosaccharide a disaccharide or a polysaccharide?

What does it mean if a plant responds to touch

During the process of protein synthesis a section of the dna molecule is copied onto which other molecule

35. Which of the following macromolecules are correctly matched with their subcomponents? A. Protein-monosaccharides; Carbohydrates-amino acids; Nucleic acids - nucleotides B.

How can hybridization be used to produce plants with characteristics needed to increase food production

When fats first reach the duodenum what their presence stimulates the release of which hormone from the intestinal mucosal cell?

Ocean-dwelling chemoheterotrophic bacteria that generate energy via aerobic respiration are dependent on the presence of photoautotrophs like cyanobacteria because:

Nucleotide are composed of phosphate group, a sugar, and a nitrogenous base. DNA is made up of long strands of nucleotide. which part if the above molecule can differ between nucleotide? A. the sugar B. the phosphate group C. the nitrogen group D.

2 atp molecules are needed to start A) the krebs cycle B) gyycolysis C) the electron transport chain D) none of the above

If earth is about 4.5 million years old which statement is true