BSC 464 EXAM 4 (FINAL) QUESTIONS AND CORRECT ANSWERS. VERIFIED 2025/2026.

BSC 464 EXAM 4 (FINAL) QUESTIONS
AND CORRECT ANSWERS. VERIFIED
2025/2026.




Gel found only in the cell wall of brown algae

1. algin

2. agar

3. carrageenans

4. gelatin - ANS algin



sugar alcohol used as antifreeze found in brown algae

1. laminarian

2. chrysolaminarian

3. lipid

4. mannitol

5. phenol - ANS mannitol



cell division not localized to a specific region in brown algae

1. apical

2. meristoderm

3. marginal
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, 4. trichothallic

5. diffuse - ANS diffuse



Growth limited to the base of a long and thin filament hair-like

1. apical

2. meristoderm

3. trichothallic

4. marginal

5. intercalary - ANS trichothallic



type of life cycles in laminariales or kelps

1. monophasic

2. large sporophyte, small gametophyte

3. small sporophyte, large gametophyte

4. cyclosporae

5. none of the above - ANS large sporophyte, small gametophyte



genus for the "feather boa" kelp

1. sargassum

2. laminaria

3. undaria

4. egregia

5. pelagophycus - ANS Egregia



Species living in a wide range between minimum and maximum temperature

1. stenothermal
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