Cultures Of A Bacterial Species Quiz Questions

68 Questions | By Smoore2 | Last updated: Jul 2, 2018 | Total Attempts: 79

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Exam 2 for final exam study.

Questions and Answers

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?

Discuss
- 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