Bio 211 Exam 1 – Complete Solutions to All Your
Questions
Haploid cells have 2 copies of DNA: one from the organism's biological mother
& one from the organism's biological father.
True
False Correct Answer - False
Meiosis results in
Two genetically identical daughter cells (2N)
Four genetically identical daughter cells (N)
Four genetically distinct daughter cells (N)
Two genetically distinct daughter cells (2N)
One diploid (2N) zygote Correct Answer - Four genetically distinct
daughter cells (N)
All protists ____________.
are photosynthetic
are unicellular
contain a nucleus
have a cell wall
are smaller than animal cells Correct Answer - contain a nucleus
When food or water resources are depleted slime molds will
stop reproducing
sexually reproduce
assexually reproduce Correct Answer - sexually reproduce
Protists and bacteria are grouped into different domains because _______.
Protists eat bacteria
Bacteria are not made of cells
Protists are photosynthetic
Protists have a membrane-bound nucleus, which bacterial cells lack
Bactria decompose protists Correct Answer - Protists have a membrane-
bound nucleus, which bacterial cells lack
Which of the following is a benefit derived through endosymbiosis to
eukaryotes?
, Through endosymbiosis, protists and other eukaryotes developed structures
for support and protection
Through endosymbiosis, eukaryotes evolved multicellularity
Through endosymbiosis, eukaryotes evolved the ability to Through
endosymbiosis, eukaryotes were able to be more efficient at producing and
using energy Correct Answer - Through endosymbiosis, eukaryotes
were able to be more efficient at producing and using energy
All of the following are structures that help protists move EXCEPT
loofacyte
gliding slime
flagella
pseudopodia
cilia Correct Answer - loofacyte
All of the following are protists EXCEPT
kelp
E. coli
paramecium
malaria
dinoflagellates Correct Answer - E. coli
Which finding about the structure and function of mitochondria provides the
best support for the endosymbiotic origin of this organelle?
Mitochondrial gene sequences are more closely related to DNA sequences
from bacteria than sequences from eukaryotic cells.
Bacteria divide by fission; mitochondria do not
Mitochondria have their own ribosomes, which are very similar to those of
eukaryotes
Mitochondria are twice the size of the average bacterium Correct Answer -
Mitochondrial gene sequences are more closely related to DNA sequences
from bacteria than sequences from eukaryotic cells.
Facultative anaerobes _______________.
require O2 for respiration.
do not use O2 for respiration, but are not poisoned by it
can use O2 for respiration, but it is not required Correct Answer - can
use O2 for respiration, but it is not required
Questions
Haploid cells have 2 copies of DNA: one from the organism's biological mother
& one from the organism's biological father.
True
False Correct Answer - False
Meiosis results in
Two genetically identical daughter cells (2N)
Four genetically identical daughter cells (N)
Four genetically distinct daughter cells (N)
Two genetically distinct daughter cells (2N)
One diploid (2N) zygote Correct Answer - Four genetically distinct
daughter cells (N)
All protists ____________.
are photosynthetic
are unicellular
contain a nucleus
have a cell wall
are smaller than animal cells Correct Answer - contain a nucleus
When food or water resources are depleted slime molds will
stop reproducing
sexually reproduce
assexually reproduce Correct Answer - sexually reproduce
Protists and bacteria are grouped into different domains because _______.
Protists eat bacteria
Bacteria are not made of cells
Protists are photosynthetic
Protists have a membrane-bound nucleus, which bacterial cells lack
Bactria decompose protists Correct Answer - Protists have a membrane-
bound nucleus, which bacterial cells lack
Which of the following is a benefit derived through endosymbiosis to
eukaryotes?
, Through endosymbiosis, protists and other eukaryotes developed structures
for support and protection
Through endosymbiosis, eukaryotes evolved multicellularity
Through endosymbiosis, eukaryotes evolved the ability to Through
endosymbiosis, eukaryotes were able to be more efficient at producing and
using energy Correct Answer - Through endosymbiosis, eukaryotes
were able to be more efficient at producing and using energy
All of the following are structures that help protists move EXCEPT
loofacyte
gliding slime
flagella
pseudopodia
cilia Correct Answer - loofacyte
All of the following are protists EXCEPT
kelp
E. coli
paramecium
malaria
dinoflagellates Correct Answer - E. coli
Which finding about the structure and function of mitochondria provides the
best support for the endosymbiotic origin of this organelle?
Mitochondrial gene sequences are more closely related to DNA sequences
from bacteria than sequences from eukaryotic cells.
Bacteria divide by fission; mitochondria do not
Mitochondria have their own ribosomes, which are very similar to those of
eukaryotes
Mitochondria are twice the size of the average bacterium Correct Answer -
Mitochondrial gene sequences are more closely related to DNA sequences
from bacteria than sequences from eukaryotic cells.
Facultative anaerobes _______________.
require O2 for respiration.
do not use O2 for respiration, but are not poisoned by it
can use O2 for respiration, but it is not required Correct Answer - can
use O2 for respiration, but it is not required
