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Exam (elaborations)

HCB Final Questions with complete solution

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  • Course
  • HCB 103
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  • HCB 103

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...

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  • November 2, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • hcb final
  • HCB 103
  • HCB 103
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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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