You are watching: Protists are alike in that they all are
Biologists have long been aware that the defunct kingdom Protista is paraphyletic. Which of this statements is both true and also consistent v this conclusion?A) Many species within this kingdom were once classified as monerans.B) Animals, plants, and also fungi developed from different protist ancestors.C) The eukaryotic problem has developed only once among the protists, and all eukaryotes are descendants of that an initial eukaryotic cell.D) Chloroplasts amongst various protists are similar to those discovered in prokaryotes.E) part protists, all animals, and also all mushroom share a protist typical ancestor, however theseprotists, animals, and also fungi are currently assigned come three different kingdoms.
The strongest proof for the endosymbiotic origin of eukaryotic bio organelles is the similarity in between extant prokaryotes and also which that the following?A) nuclei and chloroplastsB) mitochondria and chloroplastsC) cilia and also mitochondria D) mitochondria and nucleiE) mitochondria and also cilia
According to the endosymbiotic concept of the beginning of eukaryotic bio cells, how did mitochondria originate?A) from infoldings of the plasma membrane, coupled v mutations of genes for protein in energy-transfer reactionsB) indigenous engulfed, initially free-living prokaryotesC) by secondary endosymbiosisD) indigenous the atom envelope folding outward and also forming mitochondrial membranesE) when a protoeukaryote engaged in a symbiotic connection with a protobiont
Which of these statements is false and therefore walk not assistance the hypothesis that certain eukaryotic organelles originated together bacterial endosymbionts? together organellesA) are roughly the exact same size together bacteria.B) have the right to be cultured top top agar, since they make all their very own proteins.C) save on computer circular DNA molecules.D) have ribosomes the are similar to those that bacteria.E) have actually internal membranes that contain protein homologous come those of bacter plasma membranes.
Which organisms stand for the usual ancestor of every photosynthetic plastids uncovered in eukaryotes?A) autotrophic euglenids B) diatomsC) dinoflagellates D) red algaeE) cyanobacteria
An individual mixotroph loses its plastids, yet proceeds to survive. Which of the complying with most most likely accounts for its ongoing survival?A) It depends on photosystems that float easily in its cytosol.B) It have to have acquired extra mitochondria once it lost its plastids.C) that engulfs organic product by phagocytosis or by absorption. D) It has actually an endospore.E) that is protected by a siliceous case.
Which of these was not derived from an ancestral alpha proteobacterium? A) chloroplastB) mitochondrion C) hydrogenosome D) mitosomeE) kinetoplast
Which statement about resistance is false?A) plenty of of the oomycetes that cause potato late blight have become resistant topesticides.B) plenty of of the mosquitoes that transmit malaria to humans have come to be resistant topesticides.C) many of the malarial parasites have come to be resistant to antimalarial drugs.D) numerous humans have come to be resistant come antimalarial drugs.E) Trichomonas vaginalis is resistant to the typical acidity the the human vagina.
Which of these taxa contains types that create potent toxins that can cause extensive fish kills, contaminate shellfish, and poison humans?A) red algaeB) dinoflagellatesC) diplomonads D) euglenidsE) gold algae
Which of this statements about dinoflagellates is false?A) lock possess two flagella.B) Some cause red tides.C) their walls space composed the cellulose plates.D) Many types contain chlorophyll.E) your dead cells accumulate ~ above the seafloor, and also are mined to serve as a filtering material.
Which group consists of members that are important primary producers in s food webs, causes red tides the kill countless fish, and may even be carnivorous?A) ciliatesB) apicomplexansC) dinoflagellates D) brown algae E) golden algae
Which that the adhering to is not characteristic the ciliates?A) They usage cilia together locomotory frameworks or as feeding structures.B) They room relatively complicated cells.C) They deserve to exchange hereditary material with other ciliates through the procedure of mitosis. D) most live as solitary cells in fresh water.E) They have actually two or an ext nuclei.
Why is the filamentous morphology the the water molds considered a case of convergent development with the hyphae (threads) of fungi?A) mushroom are very closely related come the water molds.B) human body shape reflects ancestor-descendant relationships among organisms.C) In both cases, filamentous shape is one adaptation for the absorptive nutritional setting of a decomposer.D) Filamentous body shape is evolutionarily genealogical for all eukaryotes.E) Both A and also B room correct.
Diatoms are largely asexual members that the phytoplankton. Diatoms lack any kind of organelles that can have the 9+2 pattern. They obtain their nutrition from sensible chloroplasts, and also each diatom is encased within two porous, glasslike valves. Which inquiry would bemost essential for one interested in the day-to-day survival of separation, personal, instance diatoms?A) how does carbon dioxide obtain into this protists v their glasslike valves?B) how do diatoms acquire transported from one place on the waterʹs surface ar layers toanother ar on the surface?C) how do diatoms through their glasslike valves store from sinking right into poorly lit waters?D) exactly how do diatoms v their glasslike valves avoid being wrong by the action ofwaves?E) exactly how do diatom sperm cells find diatom egg cells?
A big seaweed the floats easily on the surface of deep body of water would be meant to lack which the the following?A) thalliB) bladdersC) blades D) holdfastsE) gel-forming polysaccharides
Thread-like pseudopods that can perform phagocytosis are usually characteristic of i m sorry group?A) radiolarians and also forams B) gymnamoebasC) entamoebasD) amoeboid stage of to move slime moldsE) oomycetes
A snail-like, coiled, porous test (shell) the calcium lead carbonate is characteristic of i m sorry group?A) diatomsB) foraminiferansC) radiolarians D) gymnamoebasE) ciliates
What makes certain red algae show up red? A) they live in warm coastal waters.B) They own pigments that reflect and also transmit red light. C) They usage red light because that photosynthesis.D) They lack chlorophyll.E) they contain the pigment bacteriorhodopsin.
The biggest seaweeds belong to which group? A) red algaeB) green algae C) brown birds D) gold algae
The chloroplasts of land plants room thought to have actually been derived according to which evolutionary sequence?A) cyanobacteria eco-friendly algae land plantsB) cyanobacteria eco-friendly algae mushroom land plantsC) red algae brown algae environment-friendly algae land tree D) red algae cyanobacteria floor plantsE) cyanobacteria red algae eco-friendly algae soil plants
Green algae often differ native land tree in that some environment-friendly algae A) space heterotrophs.B) are unicellular.C) have actually plastids.D) have actually alternation of generations.E) have cell wall surfaces containing cellulose.
Which taxon of eukaryotic organisms is believed to it is in directly genealogical to the plant kingdom?A) gold algae B) radiolariansC) foraminiferans D) apicomplexansE) eco-friendly algae
If the Archaeplastidae are at some point designated a kingdom, and if the land plants space excluded native this kingdom, climate what will certainly be true that this brand-new kingdom?A) It will be monophyletic.B) that will more accurately depict evolutionary relationships 보다 does the currenttaxonomy.C) It will be paraphyletic.D) It will certainly be a true clade.E) It will certainly be polyphyletic.
The ideal evidence for no classifying the slime molds together fungi comes from slime moldsʹ A) DNA sequences.B) nutritional modes. C) selection of habitats. D) physics appearance.E) reproductive methods.
Which pair of alternatives is emphasize by the life bike of the to move slime molds, such together Dictyostelium?A) prokaryotic or eukaryotic bio B) tree or animalC) uncellular cells or multicellular D) diploid or haploidE) autotroph or heterotroph
Which of the following statements concerning protists is false?A) every protists room eukaryotic organisms; numerous are imreparable cells or colonial.B) The main organism the transmits malaria to human beings by its bite is the tsetse fly.C) all apicomplexans space parasitic.D) cellular slime molds have actually an amoeboid stage that might be complied with by a phase duringwhich spores are produced.E) Euglenozoans that are mixotrophic contain chloroplasts.
Which that the adhering to is correctly explained as a major producer? A) oomyceteB) kinetoplastid C) apicomplexan D) diatomE) radiolarian
You are provided the job of creating an aerobic, mixotrophic protist that can perform photosynthesis in reasonably deep water (e.g., 250 m deep), and can additionally crawl about and engulf little particles. Through which two of these frameworks would you provide your protist?1. Hydrogenosome2. Apicoplast3. Pseudopods4. Chloroplast indigenous red alga5. Chloroplast from green algaA) 1 and also 2 B) 2 and also 3 C) 2and4 D) 3 and also 4 E) 4 and also 5
You are provided the job of designing an aquatic protist that is a primary producer. It can not swim top top its own, yet need to stay in well-lit surface ar waters. It should be resistant to physical damages from tide action. It should be most comparable to a(n)A) diatom.B) dinoflagellate.C) apicomplexan. D) red alga.E) radiolarian.
Similar to many amoebozoans, the forams and the radiolarians additionally have pseudopods, as perform the white blood cells of animals. If one to be to erect a taxon that had all biology that have actually cells with pseudpods, what would be true of such a taxon?A) It would certainly be polyphyletic. B) It would be paraphyletic. C) It would certainly be monophyletic.D) it would include all eukaryotes.
A gelatinous seaweed that grows in shallow, cold water and undergoes heteromorphic alternation that generations is most more than likely what kind of alga?A) red B) greenC) brown D) yellow
Plastids that are surrounded by an ext than two membranes are proof of A) evolution from mitochondria.B) fusion of plastids.C) origin of the plastids native archaea. D) second endosymbiosis.E) budding the the plastids native the nuclear envelope.
Biologists suspect that endosymbiosis provided rise to mitochondria before plastids partly becauseA) the commodities of photosynthesis can not it is in metabolized there is no mitochondrial enzymes.B) every eukaryotes have mitochondria (or their remnants), whereas numerous eukaryotes carry out not have plastids.C) mitochondrial DNA is less comparable to prokaryotic DNA than is plastid DNA.D) there is no mitochondrial CO2 production, photosynthesis might not occur.E) mitochondrial proteins room synthesized on cytosolic ribosomes, conversely, plastids use their own ribosomes.
See more: Solved: What Is 5 Percent Of 10,000, Solved: What Is 5 Percent Of 10000 = 500
Which protists space in the exact same eukaryotic ʺsupergroupʺ as land plants? A) eco-friendly algaeB) dinoflagellates C) red algaeD) brown algaeE) A and C are both correct
In life cycles v an alternation the generations, multicell haploid forms alternate with A) uncellular cells haploid forms.B) imreparable cells diploid forms. C) multicellular haploid forms. D) multicellular diploid forms.E) multicell polyploid forms.