Organelle mixture 1.09 1.11 Centrifuge 1.15 2 - 1.19 1.22 1.25 Which fraction would you take to obtain mitichondria, and why? O Fraction 2 because mitochondria contain haemoglobin, giving them a reddish colour O Fraction 3 because it is the most dense fraction O It is impossible to decide without further testing O Fraction 1 because it is the least dense fraction O Fraction 2, because mitochondria contain haem, giving them a reddish colour Increasing density of sucrose (g/cm³)

Organelle mixture 1.09 1.11 Centrifuge 1.15 2 - 1.19 1.22 1.25 Which fraction would you take to obtain mitichondria, and why? O Fraction 2 because mitochondria contain haemoglobin, giving them a reddish colour O Fraction 3 because it is the most dense fraction O It is impossible to decide without further testing O Fraction 1 because it is the least dense fraction O Fraction 2, because mitochondria contain haem, giving them a reddish colour Increasing density of sucrose (g/cm³)

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter10: Cell Reproduction

Section: Chapter Questions

Problem 39CTQ: Rb is a negative regulator that blocks the cell cycle at the G1 checkpoint until the cell achieves a...

See similar textbooks

Similar questions

There are many organelles that appear similar to lysosomes yet they are endocytotic vesicles. What is the accepted histochemical method to unequivocally identify a lysosome from other similar appearing organelles?
Rb is a negative regulator that blocks the cell cycle at the G1 checkpoint until the cell achieves a requisite size. What molecular mechanism does Rb employ to halt the cell cycle?
Taking into account that the diffusion constant of O2 D = 1000 um2/s, how long will it take for O2 to go from the edge of a cell of 20 um diameter to its midpoint? A. What if the cell is 2 um in diameter? B. Taking into account that the first case is a eukaryotic cell and the second is a bacteria, which one will have the faster metabolism?
Using the concepts of endo- and exo-cytosis explain the origin of the mitochondria. Include a drawing
Why is IMPDH in the mitochondria?
2_53392678751... material, separate from the DNA in the nucleus, and can make copies * .of themselves the lysosomes and peroxisomes. the endoplasmic reticulum. the mitochondria. the ribosomes. نقطة واحدة * :The range of the blood pH is 7.0 to 7.50 7.30 to 7.40 7.40 to 7.53 7.35 to 7.45 نقطة واحدة The . . are the rarest form of white blood cells and are involved in >
Mitochondria have 70S ribosomes, yet antibiotics that target those structures are more toxic to bacteria than to humans. Why might this be so?
Although both organelles originated as free-living prokaryotes, mitochondria are significantly smaller than chloroplasts. Suggest a reason for this discrepancy.
Course X Edio | Course x Edio | Course x A mitochond x Edio Course X /1089900/lessons/1533965/variants/2428207/take/14/ A * Practice TEXT ANSWER Many different microscopic organisms can be found in pond ecosystems, including the three organisms shown in the diagrams below. The primary cellular structures in each of these single celled organisms are labeled in the diagram. Some of the structures are com- mon to all three organisms and other structures are not. One of the three organisms be- low can obtain energy through photosynthesis. a. Based on the diagrams, identify which organism is able to perform photosynthesis. Explain your reasoning. b. Identify the two reactants for photosynthesis. c. At times, this photosynthetic organism can switch to being heterotrophic. Describe a condition that would favor this organism being heterotrophic. Explain your answer. Answer using 2 to 3 complete sentences for each question. Organism 2 Organism 1 Cytoplasm Chloroplast- Cilia Polysaccharide…
You treat human umbilical vein endothelial cells (HUVECS) in the lab with hydrogen peroxide to induce oxidative stress and observe the following: (D) Ctrl H202 4 8. 12 24 Time (h) Which one of the following pathways of cell death are induced in these cells? O Pyroptosis O Apoptosis O Autophagy O Necrosis Caspase-3 activity (relative to control)
Only 37 of the proteins in mitochondria are encoded by the mitochondrial DNA. The other proteins are encoded in nuclear DNA, then translated and transported to the mitochondria. Describe one unique feature of protein transport across mitochondrial membranes.
Pompe disease is due to a deficiency in lysosomal α-1,4-glucosidase, also called acid maltase. Lysosomes function as recycling centers in the cell and normally degrade excess muscle glycogen into glucose for the energy-converting reactions of the glycolytic pathway. Pompe disease was described in 1932 by Dutch pathologist Johann Pompe, who recognized that lysosomes in the affected patient's accumulated large amounts of glycogen. However, Henri Hers—the same Belgian pathologist who described the symptoms of liver glycogen phosphorylase deficiency (Hers disease)—discovered in 1965 that Pompe disease was due to a lysosomal α-1,4-glucosidase deficiency. Enzyme deficiency Disease name Organ Disease symptoms Lysosomal α-1,4- glucosidase Pompe All organs Heart failure in infantile form; muscle defects in juvenile form Answer these questions: What protein/enzyme does the mutation effects? Symptoms and, if you can, how are the symptoms…