Test
Answers to Exam #1
Preguntas del test (26)
1Organisms that are characterized by being unicellular, photosynthetic, and having double shells made of silica are known as:
- ADinoflagellates
- Bdiatoms
- CKelps
- Deuglenoids
2Which of the following is a common feature of diplomonads and parabasalids?
- Amove using cilia
- Black a mitochondria
- Chave multiple mitochondria
- Dcontain a micronucleus
3True or false: Spores are the most common means of reproduction
- ATrue
- BFalse
4What is the function of the bacterial capsule and/or slime layer?
- AProtection
- Badherence
- Cmovement
- Dall of the above
- Ea and b
5Which of the following are described as nonliving particles comprised of nucleic acid genomes enclosed in protein?
- ABacteria
- BMolecules
- CViruses
- DProtists
- EArchaea
6Identify which of the following would not belong to the domain eukarya.
- APhoto synthetic plants
- BMulticellular fungi
- CThermophilic archaea
- Dmulticellular animals
7which of the following represents the correct hierarchical order, from largest to smallest.
- Aspecies, genus, family, class, order
- Bspecies, family, genus, class, order
- Cclass, genus, order, family, species
- Dclass, oder, family, genus, species
- Eclass, family, order, genus, species
8which of the following represents the correct hierarchical order, from largest to smallest.
- Aspecies, genus, family, class, order
- Bspecies, family, genus, class, order
- Cclass, genus, order, family, species
- Dclass, oder, family, genus, species
- Eclass, family, order, genus, species
9Tuberculosis affects the:
- Agastro-intestinal tract
- Bcirculatory system
- Crespiratory tract
- Dnervous system
10True or false: Stomach ulcers are caused by the bacteria, Helicobacter pylori.
- ATrue
- BFale
11Gram-positive (+) and gram-negative (-) bacteria are characterized by differences in:
- Athe cell wall: gram+ have peptidoglycan, gram-negative have pseudo-peptidoglycan.
- Bthe plasma membrane: gram+ have ester-liked lipid, gram-negative have either-linked lipds
- Cthe cell wall: gram+ have a thick layer of peptidoglycan and gram-negative have a thin layer of peptidoglycan plus and outer membrane.
- Dchromosomal structure: gram+ have circular chromosomes, gram-negative have linear chromosomes.
12Gram-positive (+) and gram-negative (-) bacteria are characterized by differences in:
- Athe cell wall: gram+ have peptidoglycan, gram-negative have pseudo-peptidoglycan.
- Bthe plasma membrane: gram+ have ester-liked lipid, gram-negative have either-linked lipds
- Cthe cell wall: gram+ have a thick layer of peptidoglycan and gram-negative have a thin layer of peptidoglycan plus and outer membrane.
- Dchromosomal structure: gram+ have circular chromosomes, gram-negative have linear chromosomes.
13True or False: following rRNA sequence analysis, scientists found Domain Bacteria to be closely related to the Domain Eukarya.
- ATrue
- BFalse
14Fungi obtain their food by:
- Aingestion
- Babsorbing organic molecules that have been digested by secreted enzymes
- Cundergoing photosynthesis
- Dall of the above
15Which of the following are included in the alveolar phylum:
- APlasmodium (malaria)
- BTrypansosomes
- Cciliates
- Da and b
- Ea and c
16the main decomposers in the biosphere are ______ and _____.
- Afungi, animals
- Banimals, bacteria
- Cbacteria, plants
- Dbacteria, fungi
17Which on the following fungal groups reproduces using aquatic flagellated zoospores?
- AGlomeromycetes
- BZygomycetes
- CChtridiomycetes
- DAscomycetes
18The tropical diseases such as African sleeping sickness, Chaga's disease, and leishmaniasis are caused by:
- Aapicomplexans
- Bphytomastigotes
- Ctrypansomes
- Doomycetes
19which of the following organelles present in eukaryotic cells may have resulted from an endosymbiotic relationship.
- AChloroplasts
- BRough Er
- CRibosomes
- DLysosomes
20A process by which a bacteriophage may change a benign bacteria into a virulent strain:
- Ainduction
- Bphage conversion
- Clysogeny
- Dreplication
21the cells walls of most bacteria are composed of _____, which is not present in archaea.
- Apolysaccharides
- Bester-linked lipids
- Ccapsid proteins
- Dpeptidoglycan
22most 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:
- Aendosymbiosis
- Btissue tropism
- Cselection typing
- Dtransformation
23The devastating effete of AIDS results from the viral destruction of a specific type of lymphocyte known as ______ cells.
- AHelper T cells
- BPlasma
- CRed Blood
- DCytotoxic B cells
24Which of the following eukaryotic kingdoms contains a diverse group of unicellular and multicellular organisms that do not fit into any other eukaryotic kingdom?
- AFungi
- BProtista
- CAnimalia
- DPlantae
25The marine multicellular protists including the larger brown algae belong to the:
- Adinoflagellates
- Bchoanofagellida
- Cstramenopiles
- Deuglenoids
26specialized symbiotic associations between the roots of plants and fungi are called:
- Alichen
- Bhyphai associations
- Cmycorrhizae
- Dmycelium
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- College Biology Test sobre Answers to Exam #1, creado por apettit el 03/05/2014.
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