Micro chp 12

Chromatids move toward opposite poles

1) Anaphase

________ are modified hyphae that allow fungi to derive nutrients from other living organisms.

haustoria

1) The fever and chills associated with malaria are due to the release of uninucleate daughter cells of Plasmodium called ________.

merozoites

________ is the study of algae.

phycology

spindle forms

prophase

(T/F) Algae can have different types of photosynthetic pigments that allow them to photosynthesize at various depths in water.

t

(T/F) Ciliates often have two kinds of nuclei that have different functions.

t

(T/F) In fungi, aseptate hyphae are coenocytic by definition.

t

Ticks, lice and mosquitoes often serve as _______ by carrying and transmitting pathogenic microbes.

vectors

Which of the following protozoan genera helps termites digest wood? A) Trichonympha B) Nosema C) Trichomonas D) Pfiesteria E) Naegleria

A) Trichonympha

In a cell that has a diploid number of 8 chromosomes, how many chromatids will be present at the beginning of mitosis? A) 8 B) 16 C) 32 D) 4 E) 2

B) 16

Which of the following statements regarding meiosis is most accurate? A) Crossing over occurs during metaphase I. B) A diploid cell produces haploid daughter cells. C) Haploid cells produce diploid cells. D) Homologous (non-sister) chromatids separate during anaphase II. E) Meiosis has the same number of stages as mitosis.

B) A diploid cell produces haploid daughter cells.

Which of the following is a dinoflagellate whose toxin causes possible estuary-associated syndrome (PEAS)? A) Gymnodinium B) Gonyaulax C) Balantidium D) Toxoplasma E) Pfiesteria

E) Pfiesteria

Which of the following pairs is mismatched? A) Paramecium: two nuclei B) Entamoeba: pseudopodia C) Plasmodium: merozoites D) Euglena: flagellum E) Toxoplasma: cilia

E) Toxoplasma: cilia

Parasitology is the study of A) fungi. B) helminths. C) algae. D) protozoa. E) both helminths and protozoa

E) both helminths and protozoa

When mitosis occurs without cytokinesis, which of the following is produced? A) merozoites B) chromatids C) cysts D) macronuclei E) coenocytes

E) coenocytes

Replication of the DNA occurs during A) metaphase. B) prophase. C) telophase. D) anaphase. E) interphase.

E) interphase.

The asexual spores of molds are classified according to their A) size. B) type of metabolism. C) number of chromosomes. D) shapes. E) mode of development

E) mode of development

Diatoms

algae

(T/F) Diseases of animals caused by fungi are called mycoses.

f

(T/F) Fungi reproduce only asexually.

f

(T/F) Haploid genomes contain two sets of chromosomes

f

(T/F) Protozoa are eukaryotic organisms that lack a cell wall and can be unicellular or multicellular

f

Conjugation is a reproductive process associated with which of the following types of protozoa? A) ciliates B) amoebae C) dinoflagellates D) kinetoplastids E) parabasalids

A) ciliates

Which of the following is a protozoan stage that allows for transmission of intestinal parasites from one host to another? A) cyst B) merozoite C) schizont D) foraminifera E) kinetoplast

A) cyst

Which of the following types of protozoa contributes to limestone formation in their fossilized state? A) foraminiferans B) euglenozoa C) diplomonads D) ciliates E) amoebae

A) foraminiferans

Candida albicans invades human tissues by the use of A) pseudohyphae. B) coenocytes. C) thalli. D) hyphae. E) mycelia

A) pseudohyphae.

A plasmodium is a coenocytic structure associated with A) slime molds. B) yeast. C) water molds. D) green algae. E) amoebae.

A) slime molds

The fusion of two gametes produces a A) zygote. B) schizont. C) chromatid. D) centromere. E) merozoite.

A) zygote.

Kelps

Algae

The large seaweed known as kelp is classified as a member of the A) Chlorophyta. B) Phaeophyta. C) Chrysophyta. D) Rhodophyta. E) Deuteromycete.

B) Phaeophyta

Sister chromatids separate and move toward the poles of the cell during ________ of mitosis. A) telophase B) anaphase C) metaphase D) interphase E) prophase

B) anaphase

Which of the following is a cell type associated with sexual reproduction in fungi? A) sporangiospore B) dikaryon C) haustoria D) pneumocyst E) mycorrhiza

B) dikaryon

Which of the following types of protozoa are bioluminescent? A) apicomplexans B) dinoflagellates C) amoebae D) ciliates E) kinetoplastids

B) dinoflagellates

Which of the following pairs is mismatched? A) animals: usually diploid B) fungi: usually diploid C) protozoa: usually diploid D) algae: usually haploid E) plants: usually diploid

B) fungi: usually diploid

The division Basidiomycota includes which of the following types of fungi? A) truffles B) mushrooms C) baker's yeast D) bread mold E) ringworm

B) mushrooms

Merozoites are a result of A) meiosis. B) schizogony. C) mitosis. D) crossing over. E) conjugation

B) schizogony.

The first eukaryote to have its entire genome sequenced was the fungus A) Neurospora. B) Candida albicans. C) Saccharomyces. D) Cryptococcus. E) Rhizopus

C) Saccharomyces

Which of the following is composed of microtubules? A) a chromatid B) a coenocyte C) a spindle D) a tetrad E) a zygote

C) a spindle

Hyphae are associated with which of the following? A) yeasts B) algae C) molds D) protozoa E) helminths

C) molds

The ________ is the entire interwoven mass of one multicellular fungal organism. A) hyphae B) sporangium C) mycelium D) pseudoplasmodium E) conidiophore

C) mycelium

The roots of vascular plants form associations with fungi called ________, which allow them to absorb water and dissolved minerals from the soil. A) hyphae B) mycoses C) mycorrhizae D) lichens E) thalli

C) mycorrhizae

An aligned pair of homologous chromosomes is called a A) chromatid. B) spindle. C) tetrad. D) coenocyte. E) gamete.

C) tetrad

Most of the fungi that spoil food belong to the division A) Basidiomycota. B) Deuteromycetes. C) Zygomycota. D) Ascomycota. E) Rhodophyta

D) Ascomycota

Sister chromatids separate during ________ of meiosis. A) anaphase I B) prophase II C) metaphase II D) anaphase II E) telophase I

D) anaphase II

Plankton is composed of which of the following types of eukaryotic microbes? A) fungi B) algae C) protozoa D) both algae and protozoa E) both fungi and algae

D) both algae and protozoa

Lichens are composed of a symbiosis of fungi and which of the following? A) green algae B) cyanobacteria C) euglenoids D) cyanobacteria or green algae E) euglenoids or dinoflagellates

D) cyanobacteria or green algae

Which of the following would be virtually indistinguishable under the microscope? A) early anaphase and late anaphase B) early metaphase and early anaphase C) early prophase and early metaphase D) late anaphase and early telophase E) late metaphase and early telophase

D) late anaphase and early telophase

Which of the following is classified among the Alveolates? A) Paramecium B) Foraminifera C) Plasmodium D) Paramecium and Foraminifera E) Paramecium and Plasmodium

E) Paramecium and Plasmodium

Ascomycetes

Fungi

Deuteromycetes

Fungi

Disintegration of the nuclear membrane

Prophase

Ciliates

Protozoa

Cytokinesis may occur

Telophase

Multicellular algae often reproduce sexually by means of haploid and diploid individuals in a process called ________.

alternation of generations

________ are protozoa that move and feed by the use of pseudopodia.

amoebae

Fungi and insects both use the nitrogenous polysaccharide ________ as a protective molecule in their outer surfaces.

chitin

Some protozoa protect themselves from the adverse effects of osmosis by the use of ________ to pump out excess water.

contractible vacuoles

Chromosomes line up in the middle of the cell

metaphase

Organisms such as fungi that absorb nutrients from dead organisms are called ________.

saprobes