What happens to hemoglobin's affinity for oxygen when levels of co2 increase?

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?

Produce proteins by following coded instructions that come from the nucleus of the cell.

Dna in the nucleus carries the genetic code for making proteins in ribosomes. the diagram shows a model of dna. which part of the dna molecule codes for the amino acid sequence in the protein? a) sugar b) phosphate c) deoxyribosed) nitrogen bases