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Bio 101
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BIO 101 LAB EXER 1 Pictures from Alliza Andal & Alyssa Maliwat
BS BIOLOGY BLOCK 1
#TIWALA #PUSO #KAYAMOYAN
#MAHALMOANGBIOLOGY
A. Plant Hair Squash Cucurbita maxima
-single hair of squash
Find (on basal cell hair)
- Cell wall
- Nucleus
- Cytoplasm
- Vacuome
- Plastid
B. Plastids Hydrilla
Moving chloroplast
Find:
- Cell wall
- Nucleus
- Chloroplasts
- Direction of flow
- Rate of flow
B. Plastids Tomato skin
Chromoplasts
Find:
- Size chromoplasts
- shape of chromoplasts
- Presence of spaces between walls
- Pigments (and location)
B. Plastids Tomato pulp
Chromoplasts
Find:
- Arrangement of cells
- Size chromoplasts
- shape of chromoplasts
- Presence of spaces between walls
- Pigments (and location)
B. Plastids Carrot pulp
Chromoplasts
Find:
- Describe variation in size and shape of the chromoplasts
- Size chromoplasts
- shape of chromoplasts
- Presence of spaces between walls
- Pigments (and location)
B. Plastids Red flower
Find:
- Shape of the cells
- Presence of chromoplasts?
- Presence of additional pigments?
B. Plastids Yellow flower
Find:
- Shape of the cells
- Presence of chromoplasts?
- Presence of additional pigments?
B. Plastids Purple flower
Find:
- Shape of the cells
- Presence of chromoplasts?
- Presence of additional pigments?
B. Plastids Blue Flower
Find:
- Shape of the cells
- Presence of chromoplasts?
- Presence of additional pigments?
C. Ergastic Substances Potato cells
Find:
- Location of the starch grains
- Cell wall
- Hilum
- Eccentric layers
C. Ergastic Substances Bean Cotyledon
Find:
- Location of the starch grains
- Cell wall
- Hilum
- Eccentric layers
C. Ergastic Substances Corn endosperm
Find:
- Location of the starch grains
- Cell wall
- Hilum
- Eccentric layers
C. Ergastic Substances Rice
Find:
- Location of the starch grains
- Cell wall
- Hilum
- Eccentric layers
C. Ergastic Substances Banana fruit
Find:
- Location of the starch grains
- Cell wall
- Hilum
- Eccentric layers
Study Questions (from Lab Manual)
A. Define:
1. Protoplast
2. Protoplasm
3. Cytoplasm
4. Hyaloplasm
5. Cytosol
6. Vacuome
7. Crystals
B. What environmental factor affects the orientation of the chloroplasts?
C. What may be the physiological significance of cytoplasmic streaming?
D. What are the major types of pigments? Give examples for each.
E. What is the significance of crystals?