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Answers to Exam #1

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College Biology Quiz on Answers to Exam #1, created by apettit on 03/05/2014.
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Quiz by apettit, updated more than 1 year ago
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Question 1

Question
Organisms that are characterized by being unicellular, photosynthetic, and having double shells made of silica are known as:
Answer
  • Dinoflagellates
  • diatoms
  • Kelps
  • euglenoids

Question 2

Question
Which of the following is a common feature of diplomonads and parabasalids?
Answer
  • move using cilia
  • lack a mitochondria
  • have multiple mitochondria
  • contain a micronucleus

Question 3

Question
True or false: Spores are the most common means of reproduction
Answer
  • True
  • False

Question 4

Question
What is the function of the bacterial capsule and/or slime layer?
Answer
  • Protection
  • adherence
  • movement
  • all of the above
  • a and b

Question 5

Question
Which of the following are described as nonliving particles comprised of nucleic acid genomes enclosed in protein?
Answer
  • Bacteria
  • Molecules
  • Viruses
  • Protists
  • Archaea

Question 6

Question
Identify which of the following would not belong to the domain eukarya.
Answer
  • Photo synthetic plants
  • Multicellular fungi
  • Thermophilic archaea
  • multicellular animals

Question 7

Question
which of the following represents the correct hierarchical order, from largest to smallest.
Answer
  • species, genus, family, class, order
  • species, family, genus, class, order
  • class, genus, order, family, species
  • class, oder, family, genus, species
  • class, family, order, genus, species

Question 8

Question
which of the following represents the correct hierarchical order, from largest to smallest.
Answer
  • species, genus, family, class, order
  • species, family, genus, class, order
  • class, genus, order, family, species
  • class, oder, family, genus, species
  • class, family, order, genus, species

Question 9

Question
Tuberculosis affects the:
Answer
  • gastro-intestinal tract
  • circulatory system
  • respiratory tract
  • nervous system

Question 10

Question
True or false: Stomach ulcers are caused by the bacteria, Helicobacter pylori.
Answer
  • True
  • Fale

Question 11

Question
Gram-positive (+) and gram-negative (-) bacteria are characterized by differences in:
Answer
  • the cell wall: gram+ have peptidoglycan, gram-negative have pseudo-peptidoglycan.
  • the plasma membrane: gram+ have ester-liked lipid, gram-negative have either-linked lipds
  • the cell wall: gram+ have a thick layer of peptidoglycan and gram-negative have a thin layer of peptidoglycan plus and outer membrane.
  • chromosomal structure: gram+ have circular chromosomes, gram-negative have linear chromosomes.

Question 12

Question
Gram-positive (+) and gram-negative (-) bacteria are characterized by differences in:
Answer
  • the cell wall: gram+ have peptidoglycan, gram-negative have pseudo-peptidoglycan.
  • the plasma membrane: gram+ have ester-liked lipid, gram-negative have either-linked lipds
  • the cell wall: gram+ have a thick layer of peptidoglycan and gram-negative have a thin layer of peptidoglycan plus and outer membrane.
  • chromosomal structure: gram+ have circular chromosomes, gram-negative have linear chromosomes.

Question 13

Question
True or False: following rRNA sequence analysis, scientists found Domain Bacteria to be closely related to the Domain Eukarya.
Answer
  • True
  • False

Question 14

Question
Fungi obtain their food by:
Answer
  • ingestion
  • absorbing organic molecules that have been digested by secreted enzymes
  • undergoing photosynthesis
  • all of the above

Question 15

Question
Which of the following are included in the alveolar phylum:
Answer
  • Plasmodium (malaria)
  • Trypansosomes
  • ciliates
  • a and b
  • a and c

Question 16

Question
the main decomposers in the biosphere are ______ and _____.
Answer
  • fungi, animals
  • animals, bacteria
  • bacteria, plants
  • bacteria, fungi

Question 17

Question
Which on the following fungal groups reproduces using aquatic flagellated zoospores?
Answer
  • Glomeromycetes
  • Zygomycetes
  • Chtridiomycetes
  • Ascomycetes

Question 18

Question
The tropical diseases such as African sleeping sickness, Chaga's disease, and leishmaniasis are caused by:
Answer
  • apicomplexans
  • phytomastigotes
  • trypansomes
  • oomycetes

Question 19

Question
which of the following organelles present in eukaryotic cells may have resulted from an endosymbiotic relationship.
Answer
  • Chloroplasts
  • Rough Er
  • Ribosomes
  • Lysosomes

Question 20

Question
A process by which a bacteriophage may change a benign bacteria into a virulent strain:
Answer
  • induction
  • phage conversion
  • lysogeny
  • replication

Question 21

Question
the cells walls of most bacteria are composed of _____, which is not present in archaea.
Answer
  • polysaccharides
  • ester-linked lipids
  • capsid proteins
  • peptidoglycan

Question 22

Question
most viruses traget specific cells based on what is expressed on the surface of the host cell. As a result, viruses can only replicate in a limited number of host's cells. The phenomenon is commonly referred to as:
Answer
  • endosymbiosis
  • tissue tropism
  • selection typing
  • transformation

Question 23

Question
The devastating effete of AIDS results from the viral destruction of a specific type of lymphocyte known as ______ cells.
Answer
  • Helper T cells
  • Plasma
  • Red Blood
  • Cytotoxic B cells

Question 24

Question
Which of the following eukaryotic kingdoms contains a diverse group of unicellular and multicellular organisms that do not fit into any other eukaryotic kingdom?
Answer
  • Fungi
  • Protista
  • Animalia
  • Plantae

Question 25

Question
The marine multicellular protists including the larger brown algae belong to the:
Answer
  • dinoflagellates
  • choanofagellida
  • stramenopiles
  • euglenoids

Question 26

Question
specialized symbiotic associations between the roots of plants and fungi are called:
Answer
  • lichen
  • hyphai associations
  • mycorrhizae
  • mycelium
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