2. Some members of the phylumhavea shell Inside their body as in octopus squids and cuttlefish.

Which of these is not a nucleotide base found in dna?

Drag each description to the correct location on the image. not all descriptions will be used. describe the parts of a comet. the frozen part of the comet the atmosphere of gases and dust formed when the nucleus vaporizes tail made of small, solid dust particles tail made of ions that appears to point away from the comet's orbit

Which substance contains thylakoids? a) nadph b)atp c)stroma d)chloroplast