Micro Bio Chp 12 Exam 2
The fusion of two gametes produces a
Replication of the DNA occurs during
Sister chromatids separate and move toward the poles of the cell during ____ of mitosis.
An aligned pair of homologous chromosomes is called a
Which of the following pairs is Mismatched?
fungi; usually diploid
Sister chromatids separate during _____ of meiosis.
Which of the following statements regarding meiosis is most accurate?
a diploid cell produces haploid daughter cells
Merozpoites are a result of
Which of the following pairs is Mismatched
Which of the following is a protozoan stage that allows for transmission of intestinal parasites from one host to another?
Single-celled eukaryotes lacking a cell wall are
The _____ is the entire interwoven mass of one multicellular fungal organism.
Which of the following is classified among the Alveolates?
paramecium and plasmodium
A single celled eukaryote that is both photosynthetic and a chemoheterotroph is an
Which of the following is a protozoan with two nuclei and no mitochondria?
Protozoa that have a single large mitochondrion and are found living in animals are
Which of the following types of protozoa contribute to limestone formation in their fossilized state?
The asexual spores of molds are classified according to their
mode of development
Which of the following is a cell type associated with sexual reproduction in fungi?
Fungal spores produced asexually within a sac-like chamber at the tip of a hypha are called
Parasitology is the study of
both helminths and protozoa
Which of the following is a dinoflagellate whose toxin causes possible estuary-associated syndrome (PEAS)?
The large seaweed known as kelp is classified as a member of the
Hyphae are associated with which of the following?
Septate fungi are classified as
Lichens are composed of a symbiosis of fungi and which of the following?
cyanobacteria or green algae
A plasmodium is a coenocytic structure associated with
The division Basidiomycota includes which of the following types of fungi?
Which of the following organisms are directly beneficial to vascular plants?
Which of the following protozoa general helps termites digest wood?
In a cell that has a diploid humber of 8 chromosomes, how many chromatids will be present at the beginning of mitosis?
Which of the following is associated with meiosis but not with mitosis?
Which of the following would be virtually indistinguishable under the microscope?
late anaphase and early telophase
When mitosis occurs without cytokinesis which of the following is produced?
The chromatids move toward opposite poles during _______ of mitosis.
Multiple mitoses followed by a single cytokinetic event is known as
The chromosomes line up in the middle of the cell during
The process in which the cytoplasm is divided between daughter cells is known as
Which process is represented in this figure?
Single celled algae that are major producers of oxygen and whose cell walls are useful in a variety of products for humans are the
Simple eukaryotes that carry out oxygenic photosynthesis and reproduce by means of alternation of generations are known as
Single-celled organisms called ciliates are
Fungi called Deuteromycetes are not known to reproduce sexually. Nonetheless, most of them are considered members of the _____ on the basis of genetic sequences.
Multicellular organisms with hard exoskeletons segmented bodies and four pairs of jointed legs in the adult stage are
The fever and chills associated with malaria are due to the release of uninucleate daughter cells of Plasmodium called (merozoites/ schizonts/ coencytes).
The vegetative stage of a protozoan is called a (cyst/ merozoite/ trophozoite).
The (fungi/ algae/ lichens) are so sensitive to pollutants they are used as indicators of environmental conditions.
Protozoa that move and feed by the use of fine threadlike pseudopodia are called (rhizaria/ amoebozoa/ apicomplexa).
The (dinoflagellates/ radiolarian) are protozoa that produce cell walls composed of silica.
The asexual reproductive spores produced at the tips of hyphae and are not enclosed in a sac are (conidiospores/ ascospores/ sporangiospores)
Fungi and insects both use the nitrogenous polysaccharide (cellulose/ chitin/ silica) as a protective molecule in their outer surfaces.
Water molds differ from true fungi in having (diploid/ haploid) bodies.
Modified hyphae that allow fungi to derive nutrients from other living organisms are (septate/ pseudohyphae/ haustoria).
The plague is transmitted by (fleas/ticks/lice/mites)
Lichens spread to new areas by the use of multicellular fragments called (spores/ soredia/ thalli).
Multicellular algae often reproduce sexually by means of haploid and diploid individuals in a process called (separation/alternation) of generations.
Microbiologists interested in parasitism study multicellular parasitic (insects/fungi/worms) as well as single-celled protozoa.
Sexual reproduction in unicellular algae is accomplished by the cell acting as a (gamete/spore/ zygote).
Ticks, lice, and mosquitoes often serve as (carriers/vectors) by hosting and transmitting pathogenic microbes.