1. What is the leading theory of how mitochondria (and other organelles) originated in eukaryotic cells?...
1. What is the leading theory of how mitochondria (and other organelles) originated in eukaryotic cells? Briefly explain it. Name four pieces of evidence that support this theory.
2. List three characteristics typical of inheritance patterns of mitochondrial disorders.
3. What is the threshold
Homework Answers
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1. What is the leading theory of how
mitochondria (and other organelles) originated in eukaryotic cells?...
The endosymbiosis or endosymbiont theory is meant to explain the origin of two specific organelles found...
The endosymbiosis or endosymbiont theory is meant to explain the origin of two specific organelles found in eukaryotic cells. 1. Name the two organelles. 2. Provide two pieces of evidence that support this theory.
What is the endosymbiotic theory as it relates to the cellular organelles, mitochondria & chloroplasts, found in eu...
What is the endosymbiotic theory as it relates to the cellular organelles, mitochondria & chloroplasts, found in eukaryotic cells? There have been several different characters throughout the years that have served as Batman’s sidekick under the codename ‘Robin’. Name as many as you can: The resolution of a microscope (commonly abbreviated as D) is way to objectively describe the magnification ability. As resolution increases by changing objective lens, what happens to depth of field? What is the relationship between magnification,...
The endosymbiont theory offers an explanation for how eukaryotic cells could have obtained mitochondria and chloroplasts...
The endosymbiont theory offers an explanation for how eukaryotic cells could have obtained mitochondria and chloroplasts through a symbiotic relationship with prokaryotic cells that changed over time. What structural feature of prokaryotic cells might you expect to have changed before any endosymbionts could be acquired by eukaryotic cells?
4. Development of organelles Aa Aa 3 Modern eukaryotic cells are very complex and have many...
4. Development of organelles Aa Aa 3 Modern eukaryotic cells are very complex and have many features that allow them to function efficiently. These complexities took a very, very long time to evolve and likely progressed as a series of small improvements that were naturally selected. For example, modern eukaryotic cells have internal membranes surrounding their organelles and the nucleus. This arrangement likely arose when the cellular membranes of some ancient bacterial cells accidentally folded to become internal membranes. Which...
Primary spermatocytes are diploid (2n) cells with all of the organelles typically found in eukaryotic animal...
Primary spermatocytes are diploid (2n) cells with all of the organelles typically found in eukaryotic animal cells. A representation of spermatogenesis from a primary spermatocyte with six chromosomes is shown in Figure 1.
1. Describe the process in meiosis that ensures that both maternal and paternal chromosomes are passed on to each Spermatozoon
2. Explain why the genetic content of individual chromosomes in a spermatozoon most likely differs from the genetic content of individual chromosomes in a primary spermatocyte...
primary spermatocytes are diploid (2n) cells with all of the organelles typically found in eukaryotic animal...
primary spermatocytes are diploid (2n) cells with all of the
organelles typically found in eukaryotic animal cells. A
representation of spermatogenesis from a primary spermatocyte with
six chromosomes is shown in figure 1
a. describe the process in meiosis that ensures that both the
maternal and paternal chromosomes are passed on to each
spermatozoon.
b. explain why the genetic content of individual chromosomes
in a spermatozoon most likely differs from the genetic content of
individual chromosomes in primary spermatocyte.
c....
Endosymbiont Theory 1) please explain what the endosymbiont theory is. please talk about both mitochondria and...
Endosymbiont Theory 1) please explain what the endosymbiont theory is. please talk about both mitochondria and chlorappast. 2) what are three pieces of evidence that we have for this? 3) why is this conidered a theory and not a hypothesis?
Mitochondria and chloroplasts were once free-living bacteria that later migrated into eukaryotic cells. Mitochondria make energy...
Mitochondria and chloroplasts were once free-living bacteria that later migrated into eukaryotic cells. Mitochondria make energy while chloroplasts prepare their own food. How can a mitochondrion live by itself? Explain your answer by mentioning the specific processes that this organelle performs. What does a chloroplast do to survive in its free living condition? What important chemicals does it need froma sorrounding primordial soup to prepare its own food? Apart from the process by which chloroplasts prepare their own food, what...
Primary spermatocytes are diploid (2n) cells with all of the organelles typically found in eukaryotic animal...
Primary spermatocytes are diploid (2n) cells with all of the organelles typically found in eukaryotic animal cells. A representation of spermatogenesis from a primary spermatocyte with six chromosomes is shown in Figure 1. Figure 1. A representation of spermatogenesis Primary Spermatocyte Meiosis Secondary Spermatocytes Meiosis II Spermatids Spermatozoa (a) Describe the process in meiosis that ensures that both maternal and paternal chromosomes are passed on to each spermatozoon. (b) Explain why the genetic content of individual chromosomes in a spermatozoon...
11. Eukaryotic cells are most likely to have originated when a. climate changes disturbed natural processes...
11. Eukaryotic cells are most likely to have originated when a. climate changes disturbed natural processes b. a supernatural force intervened c. a comet seeded the earth with the new cells d. one (or more) prokaryotic cell(s) took up residence in another 12. Evidence in support of the endosymbiont hypothesis is a. the remarkable similarity between some organelles and modern prokaryotic cells (size, shape, behavior, reproduction, ribosomes, DNA) b. we see this happening occasionally today c. prokaryotic cells were first...
4. Development of organelles Aa Aa 3 Modern eukaryotic cells are very complex and have many features that allow them to function efficiently. These complexities took a very, very long time to evolve and likely progressed as a series of small improvements that were naturally selected. For example, modern eukaryotic cells have internal membranes surrounding their organelles and the nucleus. This arrangement likely arose when the cellular membranes of some ancient bacterial cells accidentally folded to become internal membranes. Which...
Primary spermatocytes are diploid (2n) cells with all of the organelles typically found in eukaryotic animal cells. A representation of spermatogenesis from a primary spermatocyte with six chromosomes is shown in Figure 1.
1. Describe the process in meiosis that ensures that both maternal and paternal chromosomes are passed on to each Spermatozoon
2. Explain why the genetic content of individual chromosomes in a spermatozoon most likely differs from the genetic content of individual chromosomes in a primary spermatocyte...
primary spermatocytes are diploid (2n) cells with all of the
organelles typically found in eukaryotic animal cells. A
representation of spermatogenesis from a primary spermatocyte with
six chromosomes is shown in figure 1
a. describe the process in meiosis that ensures that both the
maternal and paternal chromosomes are passed on to each
spermatozoon.
b. explain why the genetic content of individual chromosomes
in a spermatozoon most likely differs from the genetic content of
individual chromosomes in primary spermatocyte.
c....
Primary spermatocytes are diploid (2n) cells with all of the organelles typically found in eukaryotic animal cells. A representation of spermatogenesis from a primary spermatocyte with six chromosomes is shown in Figure 1. Figure 1. A representation of spermatogenesis Primary Spermatocyte Meiosis Secondary Spermatocytes Meiosis II Spermatids Spermatozoa (a) Describe the process in meiosis that ensures that both maternal and paternal chromosomes are passed on to each spermatozoon. (b) Explain why the genetic content of individual chromosomes in a spermatozoon...
11. Eukaryotic cells are most likely to have originated when a. climate changes disturbed natural processes b. a supernatural force intervened c. a comet seeded the earth with the new cells d. one (or more) prokaryotic cell(s) took up residence in another 12. Evidence in support of the endosymbiont hypothesis is a. the remarkable similarity between some organelles and modern prokaryotic cells (size, shape, behavior, reproduction, ribosomes, DNA) b. we see this happening occasionally today c. prokaryotic cells were first...
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