. Which of the following characteristics of chloroplastsand/or mitochondria make them seem more similar tobacterial cells than to eukaryotic cells?a. Translation is sensitive to chloramphenicol anderythromycin.b. Alternate codons are used in mitochondria genes.c. Introns are present in organelle genes.d. DNA in organelles is not arranged innucleosomes.

. Which of the following characteristics of chloroplastsand/or mitochondria make them seem more similar tobacterial cells than to eukaryotic cells?a. Translation is sensitive to chloramphenicol anderythromycin.b. Alternate codons are used in mitochondria genes.c. Introns are present in organelle genes.d. DNA in organelles is not arranged innucleosomes.

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter4: Cells

Section: Chapter Questions

Problem 2TYK: Eukaryotic and prokaryotic ribosomes are similar in that: a. both contain a small subunit, but only...

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Tetracyclines are a class of prokaryotic antibiotic that ?? A. Consist of lactone rings and target the 50s ribosomal subunit to prevent protein synthesis B. Consist of a napthacene ring and target the 30s ribosomal subunit to prevent protein synthesis C. Consist of aminoglycosides and target folic acid formation D. Consist of a B-lactam ring and prevent transpeptidation during cell wall formation
According to the theory of endosymbiosis, organelles, like mitochondria and chloroplasts, were once free-living cells that were absorbed into another cell. The relationship benefited both cells to stay together. What evidence do scientists observe today that supports the theory of endosymbiosis? Select all that apply. a There are ribosomes found inside mitochondria and chloroplasts just like there are inside cells. b Looking inside mitochondria and chloroplasts, one will find that they each contain their own DNA. c Mitochondria and chloroplasts are found inside all cell types. d Mitochondria and chloroplasts each have a membrane around them just like a cell would.
The cells labeled A came from a human cheek. The cells labeled B came from an aquatic plant called Elodea. Which is true, and how can you tell from the images? A. Both cells are prokaryotic. You can't see any membrane-bound organelles in these cells. B. Both cells are eukaryotic. You can see the nucleus in the cheek cells, and chloroplasts in the Elodea cells. C. Both cells are eukaryotic. You can see the nucleus in the cheek cells, and many nuclei in the Elodea cells. D. The cheek cell is eukaryotic because you can see the nucleus. The Elodea cells are prokaryotic because you can see the chloroplasts.
Which statement is false? a) Mitochondria carry DNA in the form of a closed circle. b) Chloroplasts carry DNA in the form of a closed circle. c) A nucleus can possess DNA in the form of a linear chromosome. d) The nucleoid region carries DNA in the form of a closed circle. e) None of the above statements is false.
For eukaryote cells to evolve into new types of eukaryotic organism, which of the following would one expect to occur? a) All the cells are identical b) The endoplasmic reticulum is not involved. c) These specialized cells activate only the genes in their nucleoid area. d) Cells must be getting new genetic mutations and more DNA e) none of these are true.
Eukaryotic and prokaryotic ribosomes are similar in that: a. both contain a small subunit, but only eukaryotes contain a large subunit. b. both contain the same number of proteins. c. both use mRNA to assemble amino acids into proteins. d. both contain the same number of types of rRNA. e. both produce proteins that can pass through pores into the nucleus.
What features of mitochondria are similar to bacteria? Select all that apply. A. Membrane-bound ribosomes B. Cellular machinery for photosynthesis C. Independent movement D. Circular DNA similar to plasmids
The process by which messenger RNA codes for the synthesis of a specific protein is called: a) replication b) transcription c) translation d) gene regulation Which statement is true about prokaryotes? A) they have no chromosomes b) they have chromosomes, but they are not membrane bound c) they have membrane bound chromosomes d) their chromosomes are made of RNA rather than DNA In a eukaryotic cell, most ATP is made in which location? A) nucleus b) mitochondria C) cytoplasm d) golgi apparatus
In prokaryotes, after the ribosomes completes a synthesis, one would expect to find a) a new protein molecule to appear in the nucleus, b) new DNA inside the cell nucleoid, c) an increase in the amount of protein (enzyme) in the cytoplasm, d) ribosome binding to DNA, e) none are possible.
Explain which eukaryotic organelle about genetically modified people in the future. What is the function of this organelle?
Cellular inclusions in prokaryotic cells serve to A) store energy rich compounds. B) protect DNA. C) position cells in the appropriate environment for survival. D) store energy rich compounds and position cells in the appropriate environment for survival.
The endosymbiotic theory argues that prokaryotes become some of the organelles of early eukaryotic cells. All of the following support this hypothesis Except: A. The mitochondria and chloroplasts have their own DNA and are nearly idential to some free-living prokaryotes b. Mitochondria and chloroplasts are nearly idential to some free-living prokaryotes. c. Mitochondria and chloroplasts have their own DNA d. The vacuoles can come and go across the plasma membrane