BIO 115 Lecture Notes - Lecture 10: Amylopectin, Light-Independent Reactions, Amylose
Document Summary
Wild peas those had a trait of bursting out of their shell. Parent plant doesn"t have to compete with the offspring plant offspring plant can be spread around the landscape. As opposed to a rough seed coat, smooth coats are harder to remove from the seed. Would have been smaller in wild species. Wrinkled peas are sweeter than round peas. The case examines the evolution of wrinkled pea seed shape. Wrinkled peas have 2 traits that differentiate them from round peas. Round is what is found in nature. Wrinkly peas have a sweeter taste to them. Wrinkled peas are wrinkled because they have a higher water content than round peas. When they dry, round peas retain their shape while wrinkled peas. Inside the pea cell: sugar and starch shrivel up due to water loss. Photosynthesis in the pea plant produces sugar and oxygen as biproducts. Co2 enters leaf through the stromata, diffuses to chloroplasts.
