Biology exam 3 ch. 29 – Flashcards

The cells of _____ and _____ have modified mitochondria. 1. trichomonads ... diplomonads 2. chlorophytes ... ciliates 3. fungi ... stramenopiles 4. euglenozoans ... alveolates 5. dinoflagellates ... metazoans

The members of _____ are characterized by cells with small membrane-bounded cavities under their cell membranes. 1. Stramenopila 2. Chlorophyta 3. Mycetozoa 4. Alveolata 5. Rhodophyta

Golden algae, brown algae, red algae, chlorophytes, and charophyceans are some examples of protists that are _____. 1. photoheterotrophic 2. decomposers 3. chemoautotrophic 4. chemoheterotrophic 5. photosynthetic

Which of these groups consist of parasitic flagellated cells, such as Trypanosoma, the organism that causes sleeping sickness? 1. metazoans 2. kinetoplastids 3. brown algae 4. ciliates 5. diatoms

Which three groups contain large algae known as seaweeds? 1. diatoms, golden algae, and brown algae 2. chlorophytes, charophyceans, and red algae 3. dinoflagellates, apicomplexans, and green algae 4. plants, fungi, and choanoflagellates 5. brown algae, red algae, and green algae

Stramenopiles include all of the following groups EXCEPT ______. 1. golden algae 2. diatoms 3. cellular slime molds 4. water molds 5. brown algae

Which of these groups is characterized by glasslike walls containing silica? 1. plants 2. diplomonads 3. diatoms 4. plasmodial slime molds 5. brown algae

Plasmodium, the parasitic organism that causes malaria, is a _____. 1. ciliate 2. diatom 3. plasmodial slime molds 4. entamoeba 5. apicomplexan

A paramecium is a(n) _____. 1. ciliate 2. apicomplexan 3. diatom 4. metazoan 5. dinoflagellate

he largest seaweeds are _____. 1. diatoms 2. brown algae 3. dinoflagellates 4. red algae 5. green algae

All of the organisms classified as _____ move and feed using cilia. 1. diplomonads 2. apicomplexans 3. dinoflagellates 4. ciliates 5. diatoms

hich group is characterized by cells with fine hairlike projections on their flagella? 1. Metazoa 2. Alveolata 3. Stramenopila 4. Rhodophyta 5. Euglenozoa

Which of these algal groups possess a photosynthetic pigment that allows them to live in deep water? 1. red algae 2. diatoms 3. metazoans 4. brown algae 5. green algae

Which of these groups includes both aquatic decomposers and the parasites responsible for the powdery mildew of grapes and late potato blight? 1. plasmodial slime molds 2. diatoms 3. plants 4. red algae 5. water molds

Which algal group has chloroplasts much like those of green plants in structure and pigment makeup? 1. red algae 2. golden algae 3. chlorophytes 4. diatoms 5. brown algae

Why are algal blooms harmful to people? 1. People can get paralytic shellfish poisoning during algal blooms. 2. During algal blooms, dinoflagellates produce toxins that kill shellfish. 3. Algal blooms are not harmful; they are just unsightly. 4. During algal blooms, dinoflagellate population densities reach very high levels.

Primary production by photosynthetic protists is considered "primary" because _____. 1. these protists produce chemical energy by fixing CO2 2. these protists are the oldest lineage to photosynthesize 3. these protists are the first to colonize new areas 4. these protists are the most abundant on Earth

Chloroplasts arose via _____. 1. endosymbiosis of dinoflagellates 2. endosymbiosis of cyanobacteria 3. endosymbiosis of euglenids 4. endosymbiosis of -Proteobacteria

Which evidence supports the endosymbiotic hypothesis for the origin of the mitochondrion? 1. Mitochondria have their own ribosomes and manufacture their own proteins. 2. Streptomycin inhibits eukaryotic and mitochondrial ribosomes. 3. Some nuclear genes are vital for the functioning of mitochondria. 4. Mitochondria are much smaller than an average bacterium.

What evidence supports the hypothesis that the nuclear envelope of eukaryotes arose from infolding of the plasma membrane? 1. Eukaryotes and prokaryotes differ in control of gene expression. 2. No modern bacteria have infolded plasma membranes. 3. The nuclear membrane allowed separation of transcription and translation. 4. The nuclear membrane and endoplasmic reticulum of modern eukaryotes are continuous.