Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 19, Problem 10SQ
Infoldings of the plasma membrane into the cytoplasm of some ancestral cells may have evolved into the _______.
- a. nuclear envelope
- b. ER membranes
- c. primary cell wall
- d. both a and b
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Chapter 19 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 19 - According to the big bang theory, _______. a. the...Ch. 19 - An abundance of _______ in Earth's early...Ch. 19 - The Changing Earth Studies of ancient rocks and...Ch. 19 - Prob. 2DAACh. 19 - Prob. 3DAACh. 19 - Prob. 4DAACh. 19 - Stanley Millers experiment demonstrated...Ch. 19 - According to one hypothesis, negatively charged...Ch. 19 - The prevalence of _______ in living organisms is...Ch. 19 - Prob. 6SQ
Ch. 19 - Among prokaryotes, only the cyanobacteria _______....Ch. 19 - The evolution of _____ resulted in an increase in...Ch. 19 - Bacteria that cause the disease typhus arc close...Ch. 19 - Infoldings of the plasma membrane into the...Ch. 19 - Prob. 11SQCh. 19 - A stromatolite is a structure __________. a....Ch. 19 - Prob. 13SQCh. 19 - Evidence that Mars __________ suggests that it may...Ch. 19 - Chronologically arrange the evolutionary events,...Ch. 19 - Researchers looking for fossils or the earliest...Ch. 19 - The astronomer Carl Sagan once said, "We are made...Ch. 19 - How did the evolution of oxygen-releasing...
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- a) Describe some characteristics and differences between prokaryotic and eukaryotic cells.b) How do the three domains of life differ from one another?c) Two of the organelles in eukaryotes, the mitochondrion and the chloroplast are believed to haveoriginated through a process of symbiosis. Discuss some of the theories of the origins ofmitochondria and chloroplastsarrow_forwardThe earliest cellular life forms appear to have been_____. A. Bacteria B. One-celled plants C. On-celled animals D. Viruses E. Mammalsarrow_forwardDescribe in sentences how having organelles is important for creatures to be multicellular. (ex. even though prokaryotic cells evolved first, why have they never evolved to form a multi celled creature?)arrow_forward
- One piece of supporting evidence for the endosymbiotic theory for the origin of eukaryotic cells is thata. eukaryotic cells have internal membranes.b. mitochondria and chloroplasts have their own DNA.c. Golgi bodies and endoplasmic reticulum were present in ancestral cells.d. the nuclear membrane could only have come from another cell.arrow_forwardThe first forms of life on Earth were thought to be_____. a. single-celled plants b. prokaryotes c. insects d. large animals such as dinosaursarrow_forwardEvery cell is descended from another cell. This idea is part of ______. a. evolution c. the cell theory b. the theory of hereditary d. cell biologyarrow_forward
- Protoplasts are plant cells that lack a. nuclei. b. cell walls. c. plasma membranes. d. protoplasm.arrow_forwardIt is thought that the mitochondria and chloroplasts of eukaryotic cells came froma. the development of the internal membrane system.b. protists.c. mutation.d. endosymbiosis of bacteriaarrow_forwardThrough what process did eukaryotic cells gain chloroplasts and mitochondria? a. engulfment b. endosymbiosis c. endocytosis d. phagocytosis e. conjugationarrow_forward
- Cell theory states thata. all organisms have cell walls.b. all cellular organisms undergo sexual reproduction.c. all living organisms use cells for energy, either their ownor they ingest cells of other organisms.d. all living organisms consist of cells that come from othercellsarrow_forwardMitochondria most likely evolved from_______. a. a photosynthetic cyanobacterium b. cytoskeletal elements c. aerobic bacteria d. membrane proliferationarrow_forwardThe endosymbiotic theory explains the:a. origin of the first prokaryotic cells.b. origins of mitochondria and chloroplasts in eukaryotes.c. evolutionary relationship between animals, plants, and fungi.d. method of reproduction in protists.arrow_forward
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