Homework Answers
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Correct answer: C. Different combinations of the available Gene's are used.
Explanation- all cells in an individual contain same genetic material, I.e same DNA sequence. But according to the need and function of the cell, different cell types Express different gene combinations
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Question 40 Why is a mammalian eye cell different from a tongue cell? O A. different...
4. Describe a reason why there is a constraint on cell size. 1 pt In that...
4. Describe a reason why there is a constraint on cell size. 1 pt In that context, explain how eukaryotic cells are able to be 10Xlarger than prokaryotic cells. 1 pt 5. Consider a eukaryotic cell making two different proteins: one protein functions within the mitochondria and the other is secreted outside of the cell. The genes encoding the two proteins are transcribed and the two types of mRNA are released into the cytoplasm for translation How will the production...
In humans, there are about 200 different types of cells. Why are your liver cells different...
In humans, there are about 200 different types of cells. Why are your liver cells different from skin cells, or neurons, or muscle cells? During development, each cell accumulates different mutations changing their DNA They produce the same proteins but some of those proteins are denatured in each cell They have different DNA and thus, each cell produces different proteins They produce the same kind of proteins but not all proteins are active in each cell They have the same...
cell and Tissue Engineering question. pls answer fast . Thanks a lot B.4. John used cDNA...
cell and Tissue Engineering question. pls answer fast . Thanks
a lot
B.4. John used cDNA microarrays from a company to study the oxygen effects on metabolic gene expression patterns by culturing hepatocytes in different incubators with 5%, 20% or 40% oxygen concentrations. Cells in 20% oxygen incubator were used as control samples. Then he isolated DNA samples for these three culture conditions and followed the protocol from the manufacturer beginning from sample and chip hybridization to data analysis. However,...
answer this pls asap PART 1: How Long Do Cells Spend in Each stage of Mitosis?...
answer this pls asap
PART 1: How Long Do Cells Spend in Each stage of Mitosis? In this activity, you will be presented with cells from the tip of an onion root. You will classify each cell based on what phase it is in. At the end you will count up the cells found in each phase and use those numbers to predict how much time a dividing cell spends in each phase. You can base your calculation on a...
produce haploid gametes; then those gametes can fuse to form a diploid zygote. 35. What is...
produce haploid gametes; then those gametes can fuse to form a diploid zygote. 35. What is another purpose of meiosis other than stated in the question above? 36. How many cell divisions are involved in meiosis? (two) Do the cells also go through 37. What are homologous chromosomes? Do they contain the same alleles (different 38. How do homologous chromosomes line up on the metaphase plate in meiosis 1? How do 39. Understand the basic steps of meiosis. Please use...
Question 7 (1 point) Why are nutrient concentrations in the soil DIFFERENT from those in the...
Question 7 (1 point) Why are nutrient concentrations in the soil DIFFERENT from those in the water found in root xylem? root hairs cannot take in nutrients, only water the cortex cells transport nutrients and water toward vascular tissues sieve plates filter out nutrients during translocation the endodermis is selective and uses active transport to move nutrients
QUESTION 6 An organism has 2 pairs of chromosomes 1 and 2. A certain female from...
QUESTION 6 An organism has 2 pairs of chromosomes 1 and 2. A certain female from this species was found with chromosome 1 has blue gene on one pair and orange gene on the other. Number 2chromosomes both have the short gene. As cells in her ovaries undergo meiosis, which of the following combinations of genes and chromosomes will her eggs have? A) only blue short gene eggs OB) only orange short gene eggs OC) one half blue short and...
(cach question: 1 point) 1) If you see a red leaf, what color(s) of light in...
(cach question: 1 point) 1) If you see a red leaf, what color(s) of light in the visible light spectrum is/are being reflected? A) red B) all colors except red C) all colors D) no colors Answer: 2) permit CO2 to enter the leaf and O2 to escape. A) Mesophyll cells B) Thylakoids C) Stomata D) Chloroplasts Answer: 3) Chlorophyll is found in which part of the plant cell? A) stroma B) cytoplasm C) thylakoid D) plasma membrane Answer: 4)...
2. Match the phase to the description. NOTE: this question might look a little different on...
2. Match the phase to the description. NOTE: this question might look a little different on the Moodle activity. Read carefully. Phase Hanne Description of Events in the Life of a Cell • Anaphase of muitosis A. The combined phases of GI/Go+S+G2 • Gl phase • G2 phase B. The cell is metabolically active; the cell duplicates argumelles and cytosolie components; the cell size starts to increase the cell makes proteins which will soon be used in DNA synthesis C....
Activity 1: Observation of Mitosis in an Onion and a Whitefish Instructions: View the images in...
Activity 1: Observation of Mitosis in an Onion and a Whitefish Instructions: View the images in Table 1 and Table 2 of the Activity 1 Page to complete blanks below Table 1: Stages of the Cell Cycle in Onion Root Tip Table 2: Stages of Mitosis in Whitefish Blastula *Name Each Stage *Name Each Stage (a) (b) (b) (c) (c) (d) (d) (e) *To name the stages above, choose from: Interphase, Prophase. Metaphase, Anaphase or Telophase/Cytokinesis Identify the number in...
4. Describe a reason why there is a constraint on cell size. 1 pt In that context, explain how eukaryotic cells are able to be 10Xlarger than prokaryotic cells. 1 pt 5. Consider a eukaryotic cell making two different proteins: one protein functions within the mitochondria and the other is secreted outside of the cell. The genes encoding the two proteins are transcribed and the two types of mRNA are released into the cytoplasm for translation How will the production...
In humans, there are about 200 different types of cells. Why are your liver cells different from skin cells, or neurons, or muscle cells? During development, each cell accumulates different mutations changing their DNA They produce the same proteins but some of those proteins are denatured in each cell They have different DNA and thus, each cell produces different proteins They produce the same kind of proteins but not all proteins are active in each cell They have the same...
cell and Tissue Engineering question. pls answer fast . Thanks
a lot
B.4. John used cDNA microarrays from a company to study the oxygen effects on metabolic gene expression patterns by culturing hepatocytes in different incubators with 5%, 20% or 40% oxygen concentrations. Cells in 20% oxygen incubator were used as control samples. Then he isolated DNA samples for these three culture conditions and followed the protocol from the manufacturer beginning from sample and chip hybridization to data analysis. However,...
answer this pls asap
PART 1: How Long Do Cells Spend in Each stage of Mitosis? In this activity, you will be presented with cells from the tip of an onion root. You will classify each cell based on what phase it is in. At the end you will count up the cells found in each phase and use those numbers to predict how much time a dividing cell spends in each phase. You can base your calculation on a...
produce haploid gametes; then those gametes can fuse to form a diploid zygote. 35. What is another purpose of meiosis other than stated in the question above? 36. How many cell divisions are involved in meiosis? (two) Do the cells also go through 37. What are homologous chromosomes? Do they contain the same alleles (different 38. How do homologous chromosomes line up on the metaphase plate in meiosis 1? How do 39. Understand the basic steps of meiosis. Please use...
Question 7 (1 point) Why are nutrient concentrations in the soil DIFFERENT from those in the water found in root xylem? root hairs cannot take in nutrients, only water the cortex cells transport nutrients and water toward vascular tissues sieve plates filter out nutrients during translocation the endodermis is selective and uses active transport to move nutrients
QUESTION 6 An organism has 2 pairs of chromosomes 1 and 2. A certain female from this species was found with chromosome 1 has blue gene on one pair and orange gene on the other. Number 2chromosomes both have the short gene. As cells in her ovaries undergo meiosis, which of the following combinations of genes and chromosomes will her eggs have? A) only blue short gene eggs OB) only orange short gene eggs OC) one half blue short and...
(cach question: 1 point) 1) If you see a red leaf, what color(s) of light in the visible light spectrum is/are being reflected? A) red B) all colors except red C) all colors D) no colors Answer: 2) permit CO2 to enter the leaf and O2 to escape. A) Mesophyll cells B) Thylakoids C) Stomata D) Chloroplasts Answer: 3) Chlorophyll is found in which part of the plant cell? A) stroma B) cytoplasm C) thylakoid D) plasma membrane Answer: 4)...
2. Match the phase to the description. NOTE: this question might look a little different on the Moodle activity. Read carefully. Phase Hanne Description of Events in the Life of a Cell • Anaphase of muitosis A. The combined phases of GI/Go+S+G2 • Gl phase • G2 phase B. The cell is metabolically active; the cell duplicates argumelles and cytosolie components; the cell size starts to increase the cell makes proteins which will soon be used in DNA synthesis C....
Activity 1: Observation of Mitosis in an Onion and a Whitefish Instructions: View the images in Table 1 and Table 2 of the Activity 1 Page to complete blanks below Table 1: Stages of the Cell Cycle in Onion Root Tip Table 2: Stages of Mitosis in Whitefish Blastula *Name Each Stage *Name Each Stage (a) (b) (b) (c) (c) (d) (d) (e) *To name the stages above, choose from: Interphase, Prophase. Metaphase, Anaphase or Telophase/Cytokinesis Identify the number in...
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