Cultures Of A Bacterial Species Quiz Questions
Exam 2 for final exam study.
- 1.Eukaryotic flagella differ from prokaryotic flagella because only eukaryotic flagella
- A.
Are used for cell motility
- B.
Facilitate chemotaxis
- C.
Facilitate phototaxis
- D.
Are long whip-like structures
- E.
Contain microtubules
- 2.The cell's series of tunnel-like membranes functioning in transport and storage are the
- A.
Mitochondria
- B.
Lysosomes
- C.
Golgi apparatus
- D.
Chloroplasts
- E.
Endoplasmic reticulum
- 3.Which organelle contains cristae where enzymes and electron carriers for aerobic respiration are found?
- A.
Mitochondria
- B.
Lysosomes
- C.
Golgi apparatus
- D.
Chloroplasts
- E.
Endoplasmic reticulum
- 4.The size of a eukaryotic cell ribsome is
- A.
30S
- B.
40S
- C.
50S
- D.
70S
- E.
80S
- 5.When buds remain attached, they form a chain of yeast cells called
- A.
Pseudohyphae
- B.
Septa
- C.
Molds
- D.
Dimorphic
- E.
Mycelium
- 6.Fungi that grows as yeast at one temperature but will grow as mold at another temperature are called
- A.
Dimorphic
- B.
Saprobes
- C.
Pseudophyphae
- D.
Spores
- E.
Fungi Imperfecti (Deuteromycota)
- 7.Which of the following spores are produced within a sac?
- A.
Chlamydospores
- B.
Sporangiospores
- C.
Blastospores
- D.
Arthrospores
- E.
Zygospores
- 8.What do zygospores, ascospores, and basidiospores have in common?
- A.
They are enclosed in a sac.
- B.
They are types of condia.
- C.
They are sexual spores.
- D.
They are found only in molds.
- E.
All of the choices are correct.
- 9.All of the following are found in some or all protozoan except
- A.
Motility
- B.
Ectoplasm and endoplasm
- C.
Heterotrophic nutrition
- D.
Formation of a cyst stage
- E.
Cell wall
- 10.The motile, feeding stage of protozoa is called the
- A.
Trophozoite
- B.
Cyst
- C.
Sporozoite
- D.
Oocyst
- E.
Food vacoule
- 11.Which of the following does not pertain to helminths?
- A.
In kingdom Protista
- B.
Parasitic worms
- C.
Eggs and sperm for reproduction
- D.
Often alternate hosts in complex life cycles
- E.
Have various organ systems
- 12.In order to reproduce sexually, diploid cells must produce ________ gametes through ________.
- A.
Diploid, mitosis
- B.
Diploid, meiosis
- C.
Haploid, mitosis
- D.
Haploid, meiosis
- E.
Triploid, mitosis
- 13.Which of the following are present in viruses
- A.
Mitochondria
- B.
Cytoskeleton
- C.
Pigments
- D.
Endoplasmic reticulum
- E.
None of the above
- 14.The core of every virus particle always contains
- A.
DNA
- B.
Capsomers
- C.
Enzymes
- D.
DNA and RNA
- E.
Either DNA and RNA
- 15.Classification of viruses into families invloves determing all the following characteristics except
- A.
Type of nucleic acid
- B.
Type of capsid
- C.
Presense of an envelope
- D.
Biochemical reactions
- E.
Nucleic acid stran number
- 16.Which of the following represents a virus fasmily name
- A.
Herpes simplex virus
- B.
Herpesvirdae
- C.
Picornavirus
- D.
Enterovirus
- E.
Hapatitis B virus
- 17.Virus capsids are made from subunits called
- A.
Envelopes
- B.
Spikes
- C.
Capsomers
- D.
Prophages
- E.
Peplomers
- 18.Helical and icosahedral are terms used to describe the shapes of a virus
- A.
Spike
- B.
Capsomere
- C.
Envelope
- D.
Capsid
- E.
Core
- 19.All of the following pertain to virus envelopes except they
- A.
Are gained as a virus leaves the host cell membrane
- B.
Are gained as a virus leaves the nuclear envelope
- C.
Contain special virus proteins
- D.
Help the virus particle attach to host cells
- E.
Are located between the capsid and the nucleic acid
- 20.Which of the following is not associated with every virus
- A.
Envelope
- B.
Capsomeres
- C.
Capsid
- D.
Nucleic acid
- E.
Genome
- 21.These structures are used by bacteriophages to attach to host cell receptors
- A.
Sheath
- B.
Tail fibers
- C.
Nucleic acid
- D.
Capsid head
- E.
None of the above
- 22.Which is incorrect about prophages
- A.
Present when the virus is in lysogeny
- B.
Formed when viral DNA enters the bacterial chromosome
- C.
Replicated with host DNA and passed on to progeny
- D.
Cause lysis of host cells
- E.
Occur when temperture phages enter host cells
- 23.The correct sequence of events in viral mulitiplication is
- A.
Penetration, replication, maturation, absorbtion, assembly, release
- B.
Replication, penetration, maturation, assembly, absorption, release
- C.
Absorption, penetration, replication, maturation, assembly, release
- D.
Assembly, maturation, replication, release, penetration, absorbtion
- E.
Absorbtion, release, maturation, replication, assembly, penetration
- 24.In general, most DNA viruses mulitply in the host cell's _______, while most RNA viruses multiply in the host cells ___________.
- A.
Nucleas, cytoplam
- B.
Cytoplasm, cell membrane
- C.
Cell membrane, cytoplasm
- D.
Cytopsm, nucleus
- E.
Nucleus, endoplsmic reticulu
- 25.The virus-induced, specific damage to the host cell that can be seen in a light microscope is called
- A.
Lysogeny
- B.
Budding
- C.
Plaques
- D.
Cytoplathic effects
- E.
Pocks
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