USABO - Micro stuffs Exam Questions
& Answers (Grade A+)
plastid -
correct answer ✅group of plant organelles, for storage of
starches, lipids, or pigments (photosynthesis)
Excavata -
correct answer ✅why: mitochondria
what: Diplomonads, Parabasalid, Euglenozans
Diplomonads (4) -
correct answer ✅Excavata
no plastid (membrane bound organelles)
mitochondria: anaerobic (no ETC),
double nuclei
multi-flagella
Parabasalid (2) -
correct answer ✅Excavata
no plastid,
mitochondria: (H+ as final acceptor, create H2)
, USABO - Micro stuffs Exam Questions
& Answers (Grade A+)
Euglenozans -
correct answer ✅Excavata
kinetoplastid: 1 huge mito, 1 DNA, head for direction and flagella
for movement
Euglenid: autotroph + heterotroph
Stramenopiles -
correct answer ✅SAR
photosynthetic
hairy flagellum with cilia + hairless flagellum without cilia
diatom (phytoplankton), golden algae, brown algae
brown algae -
correct answer ✅Stramenopiles
Pigments: Chlorophyll a and c, Xanthanphyll (yellow/ brown,
carotenoid)
structure: holdfast root, stripe stem, blade leaves
alternative generation
Alveolate -
correct answer ✅SAR
& Answers (Grade A+)
plastid -
correct answer ✅group of plant organelles, for storage of
starches, lipids, or pigments (photosynthesis)
Excavata -
correct answer ✅why: mitochondria
what: Diplomonads, Parabasalid, Euglenozans
Diplomonads (4) -
correct answer ✅Excavata
no plastid (membrane bound organelles)
mitochondria: anaerobic (no ETC),
double nuclei
multi-flagella
Parabasalid (2) -
correct answer ✅Excavata
no plastid,
mitochondria: (H+ as final acceptor, create H2)
, USABO - Micro stuffs Exam Questions
& Answers (Grade A+)
Euglenozans -
correct answer ✅Excavata
kinetoplastid: 1 huge mito, 1 DNA, head for direction and flagella
for movement
Euglenid: autotroph + heterotroph
Stramenopiles -
correct answer ✅SAR
photosynthetic
hairy flagellum with cilia + hairless flagellum without cilia
diatom (phytoplankton), golden algae, brown algae
brown algae -
correct answer ✅Stramenopiles
Pigments: Chlorophyll a and c, Xanthanphyll (yellow/ brown,
carotenoid)
structure: holdfast root, stripe stem, blade leaves
alternative generation
Alveolate -
correct answer ✅SAR
