Question 1

Compare and contrast aerobic and aerobic bacterial photosynthesis in terms of a) the source of electrons used by each; b) the final products of both reactions.

Accepted Answer

The processes are similar in that both c

Question 2

Accessory photosynthetic pigments are important because:

Accepted Answer

A)  they can capture different light wavelengths. 
B)  they enable chromatic adaptation with depth and seasons. 
C)  they shield the cell against damaging wavelengths. 
D)  all the above. 
A)  they can capture different light wavelengths. 
B)  they enable chromatic adaptation with depth and seasons. 
C)  they shield the cell against damaging wavelengths. 
D)  all the above.

Question 3

Match the bacteria-caused process with the most closely associated characteristic.
-Consolidation

Accepted Answer

A) alteration of the electrical charge 
B) settling out of large particles 
C) alteration of the pH 
A) alteration of the electrical charge 
B) settling out of large particles 
C) alteration of the pH

Question 4

Nutrient recycling in the marine environment is performed by:

Accepted Answer

A)  cyanobacteria. 
B)  heterotrophic bacteria. 
C)  autotrophic bacteria. 
D)  purple bacteria. 
E)  sulfur bacteria. 
A)  cyanobacteria. 
B)  heterotrophic bacteria. 
C)  autotrophic bacteria. 
D)  purple bacteria. 
E)  sulfur bacteria.

Question 5

Deep-sea vent bacteria do not rely on the sun as a source of energy.

Accepted Answer

A) True 
 B)False

Question 6

Nitrogen fixation is carried out by:

Accepted Answer

A)  nitrifying bacteria. 
B)  prochlorophytes. 
C)  cyanobacteria. 
D)  all heterotrophic bacteria. 
E)  only spirilli-shaped bacteria. 
A)  nitrifying bacteria. 
B)  prochlorophytes. 
C)  cyanobacteria. 
D)  all heterotrophic bacteria. 
E)  only spirilli-shaped bacteria.

Question 7

The pigment ____ is commonly found in bacteria but not land plants.

Accepted Answer

A)  chlorophyll a 
B)  chlorophyll b 
C)  xanthophyll 
D)  phycocyanin 
E)  carotene. 
A)  chlorophyll a 
B)  chlorophyll b 
C)  xanthophyll 
D)  phycocyanin 
E)  carotene.

Question 8

Match the words with the most closely associated group.
-Radiolarians

Accepted Answer

A) collar of microvilli traps bacteria prey 
B) siliceous perforated shell 
C) reticulopods 
A) collar of microvilli traps bacteria prey 
B) siliceous perforated shell 
C) reticulopods

Question 9

Match the description with the most closely associated word.
-Oligotrichs

Accepted Answer

A) have a lorica 
B) few body cilia 
C) dense and uniform distribution of cilia 
A) have a lorica 
B) few body cilia 
C) dense and uniform distribution of cilia

Question 10

MATCHING
Match the description with the most closely associated term.
-Helical

Accepted Answer

A) icosahedral heads with helical tails 
B) protein subunit of the capsid spiral around the central core of the nucleic acid 
C) capsid with twenty triangular faces 
A) icosahedral heads with helical tails 
B) protein subunit of the capsid spiral around the central core of the nucleic acid 
C) capsid with twenty triangular faces

Question 11

Fungi are usually found in pelagic habitats.

Accepted Answer

A) True 
 B)False

Question 12

Viruses can control host population

Accepted Answer

A)  by reducing their numbers. 
B)  by modifying their growth rate. 
C)  by increasing their capacity to expand. 
D)  by making them more attractable to predators. 
E)  by attaching to the host membrane, causing the host cell to sink. 
A)  by reducing their numbers. 
B)  by modifying their growth rate. 
C)  by increasing their capacity to expand. 
D)  by making them more attractable to predators. 
E)  by attaching to the host membrane, causing the host cell to sink.

Question 13

Match the description with the most closely associated group.
-Archaea

Accepted Answer

A) prokaryote in some ways similar to eukaryotes 
B) original inhabitants of the sea 
C) nucleus and membrane-bound organelle 
A) prokaryote in some ways similar to eukaryotes 
B) original inhabitants of the sea 
C) nucleus and membrane-bound organelle

Question 14

Pseudopods are structures that are primarily found in:

Accepted Answer

A)  silicoflagellates. 
B)  amoeboid protozoans. 
C)  coccolithophores. 
D)  diatoms. 
E)  dinoflagellates. 
A)  silicoflagellates. 
B)  amoeboid protozoans. 
C)  coccolithophores. 
D)  diatoms. 
E)  dinoflagellates.

Question 15

The toxins of dinoflagellates are destroyed by cooking or heating.

Accepted Answer

A) True 
 B)False

Question 16

What would happen if organisms that play the role of heterotrophic bacteria did not exist in the marine environment?

Accepted Answer

Marine heterotrophic bacteria play an im

Question 17

A virus with a capsid with twenty triangular faces is called:

Accepted Answer

A)  icosahedral. 
B)  helical. 
C)  binal. 
D)  filamentous. 
E)  dodecahedral. 
A)  icosahedral. 
B)  helical. 
C)  binal. 
D)  filamentous. 
E)  dodecahedral.

Question 18

A viral lytic cycle is characterized by:

Accepted Answer

A)  rapid infection and emergence. 
B)  rapid infection, replication of nucleic acids and proteins, assembly of virions and release by rupture. 
C)  a virus remaining in the host cell then being released. 
D)  a viral nucleic acid being inserted into the host genome and possibly residing through multiple cell divisions prior to lytic. 
A)  rapid infection and emergence. 
B)  rapid infection, replication of nucleic acids and proteins, assembly of virions and release by rupture. 
C)  a virus remaining in the host cell then being released. 
D)  a viral nucleic acid being inserted into the host genome and possibly residing through multiple cell divisions prior to lytic.

Question 19

The combination of a virus's genetic material and protein is called the

Accepted Answer

A)  capsid. 
B)  virion. 
C)  nucleocapsid. 
D)  envelope. 
E)  transfer RNA. 
A)  capsid. 
B)  virion. 
C)  nucleocapsid. 
D)  envelope. 
E)  transfer RNA.

Question 20

Ciliates are autotrophic members of the phytoplankton community.

Accepted Answer

A) True 
 B)False

Compare and contrast aerobic and aerobic bacterial photosynthesis in terms of a) the source of electrons used by each; b) the final products of both reactions.

Accessory photosynthetic pigments are important because:

Match the bacteria-caused process with the most closely associated characteristic. -Consolidation

Nutrient recycling in the marine environment is performed by:

Deep-sea vent bacteria do not rely on the sun as a source of energy.

Nitrogen fixation is carried out by:

The pigment ____ is commonly found in bacteria but not land plants.

Match the words with the most closely associated group. -Radiolarians

Match the description with the most closely associated word. -Oligotrichs

MATCHING Match the description with the most closely associated term. -Helical

Fungi are usually found in pelagic habitats.

Viruses can control host population

Match the description with the most closely associated group. -Archaea

Pseudopods are structures that are primarily found in:

The toxins of dinoflagellates are destroyed by cooking or heating.

What would happen if organisms that play the role of heterotrophic bacteria did not exist in the marine environment?

A virus with a capsid with twenty triangular faces is called:

A viral lytic cycle is characterized by:

The combination of a virus's genetic material and protein is called the

Ciliates are autotrophic members of the phytoplankton community.

Science and Marine Biology

Fundamentals of Ecology

Geology of the Ocean

Water, Waves, and Tides

Biological Concepts

Multicellular Primary Producers

Lower Invertebrates

Higher Invertebrates

Marine Fishes

Reptiles and Birds

Marine Mammals

Intertidal Communities

Estuaries

Coral Reef Communities

Continental Shelves and Neritic Zone

The Open Sea

Life in the Oceans Depths

Harvesting the Oceans Resources

Oceans in Jeopardy

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Exam 6: Marine Microbes

Compare and contrast aerobic and aerobic bacterial photosynthesis in terms of a) the source of electrons used by each; b) the final products of both reactions.

Accessory photosynthetic pigments are important because:

Match the bacteria-caused process with the most closely associated characteristic. -Consolidation

Nutrient recycling in the marine environment is performed by:

Deep-sea vent bacteria do not rely on the sun as a source of energy.

Nitrogen fixation is carried out by:

The pigment ____ is commonly found in bacteria but not land plants.

Match the words with the most closely associated group. -Radiolarians

Match the description with the most closely associated word. -Oligotrichs

MATCHING Match the description with the most closely associated term. -Helical

Fungi are usually found in pelagic habitats.

Viruses can control host population

Match the description with the most closely associated group. -Archaea

Pseudopods are structures that are primarily found in:

The toxins of dinoflagellates are destroyed by cooking or heating.

What would happen if organisms that play the role of heterotrophic bacteria did not exist in the marine environment?

A virus with a capsid with twenty triangular faces is called:

A viral lytic cycle is characterized by:

The combination of a virus's genetic material and protein is called the

Ciliates are autotrophic members of the phytoplankton community.

Science and Marine Biology

Fundamentals of Ecology

Geology of the Ocean

Water, Waves, and Tides

Biological Concepts

Multicellular Primary Producers

Lower Invertebrates

Higher Invertebrates

Marine Fishes

Reptiles and Birds

Marine Mammals

Intertidal Communities

Estuaries

Coral Reef Communities

Continental Shelves and Neritic Zone

The Open Sea

Life in the Oceans Depths

Harvesting the Oceans Resources

Oceans in Jeopardy

Filters