Homework Answers
A is the animal cell. while B is the plant cell. Both the cells constitute the basic unit of animal and plant kingdom.
B is autotroph because of the presnece of plastid, while A is heterotroph as it cannot photosyntheise. An autotroph need plastid for photosynthesis that is not present in a heterotroph.
A- Golgi bodies
B- Mitochondria
C- Endoplasmic reticulum
D- Plastid
E- Ribosomes
This cell is eukaryotic because of the presence of well defines organel system and nucleus.
A prokaryotic cell evolved first bacuse of the simple cellular composition the further developmed to become a eukaryotic cell.
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2. Which of the cells shown above is an autotroph and which is a heterotroph? How...
1. Why use stains for microscopy? (1) 2. Use your knowledge of osmosis to explain the...
1. Why use stains for microscopy? (1) 2. Use your knowledge of osmosis to explain the structural difference that you observed in the Elodea leaf after addition of the NaCI solution. (2) Which is larger: a eukaryotic cell or prokaryotic cell? Give an example of each. (3) 3. The vacuole of an onion epidermis cell takes up most of the cell. The cell of an Elodea leaf has no apparent vacuole. What would account for this difference? Think about where...
which layer of outer membranes exist in all eukaryotic cells? none of these cell wall both...
which layer of outer membranes exist in all eukaryotic cells? none of these cell wall both of these Plasma membrane which of the following is not an organelle of eukaryotic cells? fimbrae cytoskeleton nucleus golgi emerging and reemerging diseases is a challenge facing science? No answer text provided. No answer text provided. true false The smallest unit that is considered to be alive. none of these atoms cell tissues which of the following types of cells have a plasma membrane?...
3. Which type of cell has membrane-bound organelles, like a mitochondria? Cukan 4. Which type of...
3. Which type of cell has membrane-bound organelles, like a mitochondria? Cukan 4. Which type of cell has ribosomes? Prokaryotes 4 eukaryote 5. Which type of cell has cell membranes? Prokaryotes deukaryo Quick Eukaryotic Cell Function Questions: 1. What is the endoplasmic reticulum composed of? folded membranes 2. What is the largest organelle of the cell? 3. Which organelle is responsible for releasing energy from sugar? 4. Which organelle packages and distributes organic compounds? 5. The controls the passage of...
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...
Unit 3 Study Resource Meiosis ā¢ Process by which diploid cells create haploid cells NOT part...
Unit 3 Study Resource Meiosis ā¢ Process by which diploid cells create haploid cells NOT part of the cell cycle > only some cells ever undergo meiosis During meiosis I, homologous chromosomes line up to allow them to be separated into two new cells o They can become "tangled" during this phase, which leads to crossing-over (rearranging the alleles) O Result of meiosis I is two non-identical haploid cells Meiosis Il looks very similar to mitosis, in that sister chromatids...
1) Discuss the importance of magnification and resolution in microscopy. How are the magnification and resolution...
1) Discuss the importance of magnification and resolution in microscopy. How are the magnification and resolution of a light microscope different from that of an electron microscope? 2) Which microscope would you use to study the following? a) the changes in shape of a living human white blood cell b) the finest details of the surface texture of a human hair c) the detailed structure of an organelle in a liver cell 3) State the cell theory?...
2. Research how antibiotics affect bacterial cells. Which cell structure(s) are typically targeted? Based on this...
2. Research how antibiotics affect bacterial cells. Which cell structure(s) are typically targeted? Based on this information do you think human cells are affected by the antibiotics? Include references to information sources used. 3. As mentioned in the introduction, both humans and fungi are eukaryotic. Looking at the structures found in human and fungal cells, propose one possible cellular target that would impact fungal cells but not human cells.
1. Fill out the following table by indicating which general technique (light microscopy (LM) or electron...
1. Fill out the following table by indicating which general technique (light microscopy (LM) or electron microscopy [EM]) could be used to observe each structure or phenomenon. Put "no" in the box if the technique could not be used. If light microscopy can be used, name one technique (bright-field, phase-contrast, fluorescence, etc.) that you think would be effective. You will find some useful information in Appendix 1 of this manual and Chapter 18 of your textbook. Structure or phenomenon Could...
You are working in a laboratory producing new antibiotics for human and veterinary use. One compound...
You are working in a laboratory producing new antibiotics for human and veterinary use. One compound with potential value inhibits the action of prokaryotic ribosomes. The compound, however, was shown to inhibit the growth of animal cells in culture. What is one possible explanation for its effect on animal cells? Applications A research laboratory in pharmaceutical company is studying environmental factors that would inhibit the growth of Archaea. One question they have is if adding of antibiotic penicillin would be...
A. 1. Which step in preparing tissue for histological study is the preservation step that preserves...
A. 1. Which step in preparing tissue for histological study is the preservation step that preserves the tissue from decay? A. Fixation B. Embedding in wax or plastic C. Dehydration D. Sectioning (slicing) E. Staining D. 2. Which of these body structures lies the farthest ventrally? A. ankle B. neural tube in an embryo C. triceps brachii muscle D. umbilicus (navel) E. sacrum B. 3. Light microscopy (LM) versus electron microscopy (EM): Circle the correct statement. A. LM gives sharper...
1. Why use stains for microscopy? (1) 2. Use your knowledge of osmosis to explain the structural difference that you observed in the Elodea leaf after addition of the NaCI solution. (2) Which is larger: a eukaryotic cell or prokaryotic cell? Give an example of each. (3) 3. The vacuole of an onion epidermis cell takes up most of the cell. The cell of an Elodea leaf has no apparent vacuole. What would account for this difference? Think about where...
3. Which type of cell has membrane-bound organelles, like a mitochondria? Cukan 4. Which type of cell has ribosomes? Prokaryotes 4 eukaryote 5. Which type of cell has cell membranes? Prokaryotes deukaryo Quick Eukaryotic Cell Function Questions: 1. What is the endoplasmic reticulum composed of? folded membranes 2. What is the largest organelle of the cell? 3. Which organelle is responsible for releasing energy from sugar? 4. Which organelle packages and distributes organic compounds? 5. The controls the passage of...
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...
Unit 3 Study Resource Meiosis ā¢ Process by which diploid cells create haploid cells NOT part of the cell cycle > only some cells ever undergo meiosis During meiosis I, homologous chromosomes line up to allow them to be separated into two new cells o They can become "tangled" during this phase, which leads to crossing-over (rearranging the alleles) O Result of meiosis I is two non-identical haploid cells Meiosis Il looks very similar to mitosis, in that sister chromatids...
1. Fill out the following table by indicating which general technique (light microscopy (LM) or electron microscopy [EM]) could be used to observe each structure or phenomenon. Put "no" in the box if the technique could not be used. If light microscopy can be used, name one technique (bright-field, phase-contrast, fluorescence, etc.) that you think would be effective. You will find some useful information in Appendix 1 of this manual and Chapter 18 of your textbook. Structure or phenomenon Could...
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