What are the 5 functions of the root?
1. anchoring plant
2. absorbing water
3. absorbing nutrients
4. store food
5. specialized roots (O2 uptake, reproduction)
What are the 3 root types?
1. fibrous
2. taproots
3. adventitious
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What are the 5 functions of the root? - ANSWER-1. anchoring plant
2. absorbing water
3. absorbing nutrients
4. store food
5. specialized roots (O2 uptake, reproduction)
What are the 3 root types? - ANSWER-1. fibrous
2. taproots
3. adventitious
What are the 4 components of the stem? - ANSWER-nodes, internodes, axillary
bud, terminal bud
what is the node of a stem? - ANSWER-the part of the stem where the leaf is
attached
what is the internode of a stem? - ANSWER-spaces between the nodes
What is the axillary bud? - ANSWER-a structure that has the potential to form a
lateral branch, thorn, or flower
what is the terminal bud? - ANSWER-at the end of any branch
what are the 4 functions of the stem? - ANSWER-1. arrange leaves
2. transport
3. support
4. storage
what is are 5 types of modified stems? what do they do? - ANSWER-1. rhizomes
2. stolons
3. cactus (modified for synthesis and water storage)
4. thorns
5. grape tendrils
, stolons - ANSWER-which have above stems; vegetative (asexual) prepagation
where cutting off the stem from the parent plant and reproducing another
rhizomes - ANSWER-which have underground stems; vegetative (asexual)
prepagation where cutting off the stem from the parent plant and reproducing
another
What are the two parts to the shoot system? - ANSWER-Stem and leaves
what is the function of leaves? - ANSWER-photosynthesis
what are the two structures to leaves? - ANSWER-petiole and blade
4 modifications of leaves? - ANSWER-1. tendrils (cucumber, peas)
2. spines (cacti)
3. water storage
4. found around flowers to attract pollinators
What are flowers a combo of? - ANSWER-stems and modified leaves
4 things to know about cell wall of plant? - ANSWER-1. laid down at cell division
2. first layer laid down is primary wall
3. secondary wall laid down inside primary wall
4. middle lamella holds cells together
What happens if secondary wall is laid down in primary wall? - ANSWER-after full
maturation and contains lignin eventually the die
What is plasmodesmata? function? - ANSWER-cytoplasm that connects one cell
to another; plasmodesmata fluid passes continuously through pit pairs (holes)
What is the central vacuole? - ANSWER-fills most of the cell volume by providing
pressure to maintain wall structure by adding water
parenchyma cells 5 functions - ANSWER-1. least specialized/ typical plant cell
2. toxins, starch and any biochem done here
3. lack secondary wall
4. metabolic "factories"
5. all cells are parenchyma cells then later convert into other cells
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