Select all correct answers. Mitochondria A. contain DNA. B. contain ribosomes and synthesize proteins. C. are surrounded by a single phospholipid bilayer. D. divide by binary fission. QUESTION 2 According to the endosymbiosis theory, the ancestor of the mitochondria currently found in eukaryotes was A. a protist B. a fungus C. a cyanobacterium D. an α-proteobacterium QUESTION 3 The evolution of the nuclear envelope made it possible for cells to A. separate transcription and translation B. reproduce sexually instead of asexually C. exchange DNA with other organisms by horizontal gene transfer D. all of these QUESTION 4 The first eukaryotic cells were likely able to move using A. pseudopodia B. a flagellum C. cilia D. mitochondria QUESTION 5 Select all correct answers. Which of the following morphological features are found in ALL eukaryotes? A. A cell wall B. A cytoskeleton C. A nucleus and endomembrane system D. Mitochondria or genes normally found in mitochondria E. Multicellularity F. Chloroplasts or genes normally found in chloroplasts QUESTION 6 Select all correct answers. Circular chromosomes are found in A. the nucleus of eukaryotic cells B. mitochondria C. prokaryotic cells D. chloroplasts QUESTION 7 Select all correct answers. Circular chromosomes are found in A. mitochondria B. prokaryotic cells C. the nucleus of eukaryotic cells D. chloroplasts
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QUESTION 1 Match the cell part to its function. DNA ribosome cytoplasm cell membrane A. site of protein synthesis B. codes for proteins C. liquid matrix of the cell D. protects cell, controls what moves in and out QUESTION 2 Cells were first named in 1665 by Louis Pasteur Benjamin Franklin James Watson Robert Hooke QUESTION 3 Why is the Cell Theory of importance? It describes the evolution of life, from simple, prokaryotic organisms to more complex eukaryotic ones. It describes how organisms maintain different internal conditions than in the external environment It describes the flow of energy between living things. It describes the basic units of life and provides a framework for the study of life. QUESTION 4 Match the cell part to its function. chloroplast mitochondria Golgi apparatus lysosome A. a vesicle filled with digestive enzymes, involved in breaking down old cell parts B. packages cell products into sacs called vesicles and send them to where they are needed C. site of ATP production in aerobic cellular respiration D. site of photosynthesis QUESTION 5 Match the cell part to its function nucleus endoplasmic reticulum flagellum cell wall A. protection, structure B. site of chemical reactions such as protein or lipid synthesis C. holds the DNA in eukaryotic cells D. movement of single cells
Suman K.
The organelle that processes and packages materials for the cell? a. Ribosome b. Rough ER c. Golgi body d. Vacuole In mitosis, which of the following is correct? a. None of the mentioned answers are correct b. The number of chromosomes is half of the parent cell c. The daughter cells are genetically identical d. It is the physical process of cell division When the control in cell division is lost, this will result in? a. Diseases b. Cancer c. Mutations d. All of the answers are correct The central dogma means: a. DNA to RNA to protein b. All of the mentioned answers are correct c. DNA will be used to produce protein directly d. DNA is copied in transcription Smooth ER contains digestive enzymes that destroy damaged organelles and invaders. a. True b. False Photosynthesis reaction is composed of light reaction and dark reaction? a. True b. False Plants are green because the green wavelength is reflected, not absorbed? a. True b. False During the fall, the chlorophyll pigments are greatly reduced, revealing the other pigments such as Carotenoids. a. True b. False
Marlyn J.
Read the given statements and select the correct option. Statement $1:$ Chloroplast and mitochondria are semiautonomous bodies. Statement 2 : Chloroplast and mitochondria have their own DNA and protein synthesizing machinery. (a) Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1 . (b) Both statements 1 and 2 are correct but statement 2 is not the correct explanation of statement 1 (c) Statement 1 is correct and statement 2 is incorrect. (d) Both statements 1 and 2 are incorrect.
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