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Biod 102 Exam 1 || Most Recent Exam Actual
Complete Real Verified Exam Questions And Correct
Answers (Verified Answers) Already Graded A+ |
Guaranteed Success!! Newest Exam!!!
Which one of the following processes in a developing
embryo is a prerequisite for all of the other processes?
a) organogenesis
b) cell differentiation
c) mitosis
d) germ layer formation - Answer-mitosis
Suppose an antibody to binding was introduced into a
chamber containing sea urchin sperm and eggs. What
might be the result of this experiment?
a) sperm would not be able to attach to the egg surface
b) sperm would not be motile
c) sperm would not clump together
d) sperm would fertilize the eggs normally - Answer-sperm
would not be able to attach to the egg surface
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Fertilization normally:
a) is required for parthenogenesis
b) follows gastrulation
c) reinstates diploidy
d) precedes ovulation
e) merges two diploid cells into one haploid cell - Answer-
reinstates diploidy
During fertilization, the acrosomal contents:
a) block polyspermy
b) trigger the completion of meiosis by the sperm
c) help propel more sperm toward the egg
d) nourish the mitochondria of the sperm
e) digest the protective jelly coat on the surface of the egg
- Answer-digest the protective jelly coat on the surface of
the egg
What happens during cleavage?
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1. basal and apical cells-- precursors of the suspensor and
embryo, respectively-- form
2. the fertilized egg divides without growth occurring,
forming a mass of cells
3. massive movements of cells make the primary body
axes visible and organize the three embryonic tissues
4. the neural tube-- precursor of the spinal cord and brain--
forms - Answer-the fertilized egg divides without growth
occurring, forming a mass of cells
Cells move to new positions as an embryo establishes its
three germ-tissue layers during:
1. induction
2. determination
3. fertilization
4. cleavage
5. gastrulation - Answer-gastrulation
The vertebrate ectoderm is the origin of the:
, 4|Page
1. pancreas
2. liver
3. kidneys
4. nervous system
5. heart - Answer-nervous system
Muscle cells differ from nerve cells mainly because they:
a) contain different genes
b) express different genes
c) have different chromosomes
d) use different genetic codes
e) have unique ribosomes - Answer-express different
genes
Meristematic tissue cells in plants are most similar to
which kind of cells in animals?
a) embryonic stem cells
b) mesodermal cells
c) somite cells
d) ectodermal cells - Answer-embryonic stem cells
Biod 102 Exam 1 || Most Recent Exam Actual
Complete Real Verified Exam Questions And Correct
Answers (Verified Answers) Already Graded A+ |
Guaranteed Success!! Newest Exam!!!
Which one of the following processes in a developing
embryo is a prerequisite for all of the other processes?
a) organogenesis
b) cell differentiation
c) mitosis
d) germ layer formation - Answer-mitosis
Suppose an antibody to binding was introduced into a
chamber containing sea urchin sperm and eggs. What
might be the result of this experiment?
a) sperm would not be able to attach to the egg surface
b) sperm would not be motile
c) sperm would not clump together
d) sperm would fertilize the eggs normally - Answer-sperm
would not be able to attach to the egg surface
,2|Page
Fertilization normally:
a) is required for parthenogenesis
b) follows gastrulation
c) reinstates diploidy
d) precedes ovulation
e) merges two diploid cells into one haploid cell - Answer-
reinstates diploidy
During fertilization, the acrosomal contents:
a) block polyspermy
b) trigger the completion of meiosis by the sperm
c) help propel more sperm toward the egg
d) nourish the mitochondria of the sperm
e) digest the protective jelly coat on the surface of the egg
- Answer-digest the protective jelly coat on the surface of
the egg
What happens during cleavage?
,3|Page
1. basal and apical cells-- precursors of the suspensor and
embryo, respectively-- form
2. the fertilized egg divides without growth occurring,
forming a mass of cells
3. massive movements of cells make the primary body
axes visible and organize the three embryonic tissues
4. the neural tube-- precursor of the spinal cord and brain--
forms - Answer-the fertilized egg divides without growth
occurring, forming a mass of cells
Cells move to new positions as an embryo establishes its
three germ-tissue layers during:
1. induction
2. determination
3. fertilization
4. cleavage
5. gastrulation - Answer-gastrulation
The vertebrate ectoderm is the origin of the:
, 4|Page
1. pancreas
2. liver
3. kidneys
4. nervous system
5. heart - Answer-nervous system
Muscle cells differ from nerve cells mainly because they:
a) contain different genes
b) express different genes
c) have different chromosomes
d) use different genetic codes
e) have unique ribosomes - Answer-express different
genes
Meristematic tissue cells in plants are most similar to
which kind of cells in animals?
a) embryonic stem cells
b) mesodermal cells
c) somite cells
d) ectodermal cells - Answer-embryonic stem cells
