BIOL 220 Exam 4 Questions and Answers Already Passed
Plasmodesmata - Answers Gap junctions in plant cells
Symplastic route - Answers In the cells; cytoplasm to cytoplasm through plasmodesmata
Apoplastic route - Answers
Sunny environment - Answers Plants create a lot of leaves to harvest energy and make sugars
Shady environment - Answers They create less leaves to invest its energy in in climbing up to reach the
light
Why are plants developmentally plastic? - Answers They are able to adapt to changing environmental
conditions
What process makes gametes? - Answers Mitosis in plants; meiosis in animals
Angiosperm - Answers A flowering plant that forms seeds within a fruit
Sporophytes - Answers Diploid phase in the plant life cycle
Plant's main source of mass? - Answers Carbon in atmospheric CO2
Three main reproductive organs - Answers Roots, stems, leaves
Petiole - Answers Stalk that attaches the leaf blade to the stem
Dicots - Answers Has a taproot; net-like veins
Monocots - Answers Fibrous roots; parallel veins
What does a bud develop into? - Answers Another phytomer with its own bud
Meristem - Answers Stem cells in buds
Node - Answers Point between phytomers
Internode - Answers Part of a plant between nodes
Why might a plant respond to far-red light by growing taller? - Answers It thinks its in the shade so it will
grow taller to look for sunlight
Which cells in leaves do most of the photosynthesis? - Answers Palisades
What are palisadess? - Answers Column-like cells on the sun-facing side of the leaf that capture light
before it gets absorbed by non-photosynthetic cells
What is the photo part? - Answers Light capture and stored as chemical energy
Plasmodesmata - Answers Gap junctions in plant cells
Symplastic route - Answers In the cells; cytoplasm to cytoplasm through plasmodesmata
Apoplastic route - Answers
Sunny environment - Answers Plants create a lot of leaves to harvest energy and make sugars
Shady environment - Answers They create less leaves to invest its energy in in climbing up to reach the
light
Why are plants developmentally plastic? - Answers They are able to adapt to changing environmental
conditions
What process makes gametes? - Answers Mitosis in plants; meiosis in animals
Angiosperm - Answers A flowering plant that forms seeds within a fruit
Sporophytes - Answers Diploid phase in the plant life cycle
Plant's main source of mass? - Answers Carbon in atmospheric CO2
Three main reproductive organs - Answers Roots, stems, leaves
Petiole - Answers Stalk that attaches the leaf blade to the stem
Dicots - Answers Has a taproot; net-like veins
Monocots - Answers Fibrous roots; parallel veins
What does a bud develop into? - Answers Another phytomer with its own bud
Meristem - Answers Stem cells in buds
Node - Answers Point between phytomers
Internode - Answers Part of a plant between nodes
Why might a plant respond to far-red light by growing taller? - Answers It thinks its in the shade so it will
grow taller to look for sunlight
Which cells in leaves do most of the photosynthesis? - Answers Palisades
What are palisadess? - Answers Column-like cells on the sun-facing side of the leaf that capture light
before it gets absorbed by non-photosynthetic cells
What is the photo part? - Answers Light capture and stored as chemical energy
