Homework Answers
8. The main advantage that process of crossing over brings to reproduction is that it act as a source of bringing genetic diversity in a population. And genetic variability is very important for the long term survival of a species.
9. The method of cytokinesis cannot work in plant cells as plant cells have walls so the cleavage furrow cannot be formed. Instead a cell plate is formed in plant cells during division. Animal cells lack cell wall so they can easily proceed through cytokinesis.
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8. What advantage does the process of crossing over bring to reproduction 9. Why would the...
Meiosis and Sexual Reproduction 1. What does meiosis ensure? 2. Do you think there is anything...
Meiosis and Sexual Reproduction 1. What does meiosis ensure? 2. Do you think there is anything wrong with a 94 year old fathering children (I don't mean physically but maybe genetically for the child?): 3. What cells does meiosis happen in? 4. Contrast diploid number and haploid number: 5. What does "homologous chromosomes mean? 6. Look at the karyotype in Figure 10.1 - how many pairs of chromosomes are there in a "normal human? Why are there 2 at each...
1 bleul variation is accomplished. Crossing over-Does it occur? If so, name the stage it occurs....
1 bleul variation is accomplished. Crossing over-Does it occur? If so, name the stage it occurs. 2. Mitosis is best described as a. cell division of reproductive cells. b. cell division of somatic cells into two diploid daughter cells. c. unequal division of the cytoplasm. d. cell division resulting in 4 haploid cells. Matching: Match phases of the mitotic cycle with characteristic event. 3. Interphase a. formation of cleavage furrow or cell plate 4. Prophase b. chromosomes line up along...
. Describe why CAM plants have an advantage over C3 plants in the desert and why...
. Describe why CAM plants have an advantage over C3 plants in the desert and why C4 plants have an advantage over C3 plants in tropical climates. (Be sure to discuss the relevance of photosynthetic enzymes and their location, photorespiration, water use efficiency, and stomatal behavior and leaf anatomy.) 4. Thinking about anatomy, morphology, and “behavior” describe ways that plant leaves are adapted to intercepting light, increasing CO2 diffusion while reducing water loss. 5. In general terms, describe the characteristics...
Question 26 (1 point) How is cytokinesis in plant cells different from cytokinesis in animal cells?...
Question 26 (1 point) How is cytokinesis in plant cells different from cytokinesis in animal cells? Cytokinesis in plant cells requires formation of a cell plate; cytokinesis in animal cells requires formation of a ring of actin. Cytokinesis in plant cells occurs during G2; cytokinesis in animal cells occurs in the M phase of the cell cycle. Cytokinesis in plant cell results in one large cell with two nuclei; cytokinesis in animal cells results in two cells, each with one...
3. Draw a cell with three chromosomes as it moves through mitosis and cytokinesis. 4. Draw...
3. Draw a cell with three chromosomes as it moves through mitosis and cytokinesis. 4. Draw a cell with three chromosomes as it move through meiosis and cytokinesis. 5. Why are some cancers heritable and some are not? What is an example of a type of cancer that might be inherited and an example of one that is not? 6. Describe how chemotherapy, radiation, and immunotherapy are used to treat cancer. Describe how cancer cells look and act different than...
Can you answer the question number 2 Review Homen Design Layout Arial Style Paste BIOL 102:...
Can you answer the question number 2
Review Homen Design Layout Arial Style Paste BIOL 102: Lab 8 Mitosis: Replication of Eukaryotic Cells Name(s): You may work alone or in your lab group to complete these analyses questions. The answers must be thorough and acorato to receive credit、 lfyou use an outside source to assist you with the answers, then you must paraphrase and write the information in your own words and cite the source 1. Mitosis and cytokinesis are...
Chapter 8 & 9 k. Know the three phases of Interphase (G1, S, G2), what exactly...
Chapter 8 & 9 k. Know the three phases of Interphase (G1, S, G2), what exactly happens in each phase) l. What is cytokinesis? After which stage of cell division does it get completed? m. What is the function of mitosis? (For growth and tissue repair…. explain?) n. What is the function of meiosis? (For Reproduction….explain?) o. How many chromosomes do the newly formed cells have at the end of mitosis? is it the same as the parent cell or...
6. What is the advantage of producing pollen over having motile sperm cells? 7. What are...
6. What is the advantage of producing pollen over having motile sperm cells? 7. What are the two types of vascular tissue found in plants? What do they transport? 8. Why are Bryophytes still dependent on water more so than other land plants (Hint- think about adaptations they LACK)? 9. What are the similarities between Division Bryophyta and the Seedless Vascular plants? 12. Why are the staminate and ovulate cones so drastically different in size! 13. What is the purpose...
8. In general, if an allele gave an individual a survival advantage, what would happen to...
8. In general, if an allele gave an individual a survival advantage, what would happen to its frequency over time? (Increase or decrease) Explain. (2 marks) 9. In general, if an allele gave an individual a survival disadvantage, what would happen to its frequency over time? (Increase or decrease) Explain. (2 marks)
6.) During meiosis, when crossing-over occurs between two homologous chromosomes, it does not happen at a...
6.) During meiosis, when crossing-over occurs between two homologous chromosomes, it does not happen at a single point, but rather two points with a stretch of DNA in between. a. What are the two junction points called? b. What is the region between the two points called and what is different about this region compared to how double-stranded DNA usually is? c. If the region described in b.) is located within a gene and the two homologues have different alleles...
Meiosis and Sexual Reproduction 1. What does meiosis ensure? 2. Do you think there is anything wrong with a 94 year old fathering children (I don't mean physically but maybe genetically for the child?): 3. What cells does meiosis happen in? 4. Contrast diploid number and haploid number: 5. What does "homologous chromosomes mean? 6. Look at the karyotype in Figure 10.1 - how many pairs of chromosomes are there in a "normal human? Why are there 2 at each...
1 bleul variation is accomplished. Crossing over-Does it occur? If so, name the stage it occurs. 2. Mitosis is best described as a. cell division of reproductive cells. b. cell division of somatic cells into two diploid daughter cells. c. unequal division of the cytoplasm. d. cell division resulting in 4 haploid cells. Matching: Match phases of the mitotic cycle with characteristic event. 3. Interphase a. formation of cleavage furrow or cell plate 4. Prophase b. chromosomes line up along...
Question 26 (1 point) How is cytokinesis in plant cells different from cytokinesis in animal cells? Cytokinesis in plant cells requires formation of a cell plate; cytokinesis in animal cells requires formation of a ring of actin. Cytokinesis in plant cells occurs during G2; cytokinesis in animal cells occurs in the M phase of the cell cycle. Cytokinesis in plant cell results in one large cell with two nuclei; cytokinesis in animal cells results in two cells, each with one...
Can you answer the question number 2
Review Homen Design Layout Arial Style Paste BIOL 102: Lab 8 Mitosis: Replication of Eukaryotic Cells Name(s): You may work alone or in your lab group to complete these analyses questions. The answers must be thorough and acorato to receive credit、 lfyou use an outside source to assist you with the answers, then you must paraphrase and write the information in your own words and cite the source 1. Mitosis and cytokinesis are...
6. What is the advantage of producing pollen over having motile sperm cells? 7. What are the two types of vascular tissue found in plants? What do they transport? 8. Why are Bryophytes still dependent on water more so than other land plants (Hint- think about adaptations they LACK)? 9. What are the similarities between Division Bryophyta and the Seedless Vascular plants? 12. Why are the staminate and ovulate cones so drastically different in size! 13. What is the purpose...
8. In general, if an allele gave an individual a survival advantage, what would happen to its frequency over time? (Increase or decrease) Explain. (2 marks) 9. In general, if an allele gave an individual a survival disadvantage, what would happen to its frequency over time? (Increase or decrease) Explain. (2 marks)
6.) During meiosis, when crossing-over occurs between two homologous chromosomes, it does not happen at a single point, but rather two points with a stretch of DNA in between. a. What are the two junction points called? b. What is the region between the two points called and what is different about this region compared to how double-stranded DNA usually is? c. If the region described in b.) is located within a gene and the two homologues have different alleles...
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