On which of the following organelles are protein assembled ?
a. mitochondia
b. ribosomes
c. chloroplasts
d. lysosomes

In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia

Which enzymes break down carbohydrates?

One of the reasons that stars are so large is because