HCB Final Questions with complete solution HCB Final
Model organisms for plants - correct answer Kalanchoe and African Violet
how to make transgenic plants - correct answer Removing the harmful gene
Adding the artificial gene
2 main methods: Gene gun and ti plasmid as vectors
Compo...
HCB Final
Model organisms for plants - correct answer ✔Kalanchoe and African Violet
how to make transgenic plants - correct answer ✔Removing the harmful
gene
Adding the artificial gene
2 main methods: Gene gun and ti plasmid as vectors
Components of PTC - correct answer ✔sucrose, BAP, plant growth
regulators, blue food coloring
purpose of sucrose in PTC - correct answer ✔provide nutrients
purpose of BAP in PTC - correct answer ✔Promotes cell division
purpose of plant growth regulators in PTC - correct answer ✔preventing
mold
purpose of blue food coloring in PTC - correct answer ✔allows for clearer
visiblity
what is a callus - correct answer ✔a cluster of undifferentiated cells from
meristematic tissues
what is the relevance of a callus to PTC - correct answer ✔The first evidence
of activity is usually the swelling of the explant, which is a result of a large
number of cell divisions (callus)
, cloning in PTC - correct answer ✔Promotion of cell division and nutrition
based growth in meristematic tissue from the tissue culture media
(Cells replicate and elongate from the meristematic tissue→ New plant)
germination in PTC - correct answer ✔- Requires a water source nearby
- Grows in size from localized nutrients and water and cracks the seed coat
- Plant sprouts over time
Fertilization (PTC) - correct answer ✔isolation of male and female gametes
and their in vitro fusion (fertilization) culture of the in vitro zygote to regenerate
full plants
moncot - correct answer ✔- One cotyledon
- Pollen has single pore
- Flower parts in multiples of 3
- Fibrous root system
- Vascular bundles scattered
dicot - correct answer ✔- Two cotyledons
- Pollen has 3 pores
- Flower parts in multiples of 4/5
- Single taproot
- Vascular bundles arranged in a organized ring
auxin - correct answer ✔growth regulators located in meristematic tissues
(Promotes cell division and causes elongation in plant cells)
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