Biology: Life on Earth (11th Edition)
11th Edition
ISBN: 9780134256283
Author: Audesirk
Publisher: PEARSON
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Chapter 4, Problem 7FTB
What structure in bacterial cells is composed of peptidoglycan? What structure in prokaryotic cells serves a similar function to the nucleus in eukaryotic cells? Short segments of DNA that confer special features such as antibiotic resistance on bacteria are called _____. Bacterial structures called pull bacterial cells together so they can transfer DNA.
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Which of the following is/are found in bacteria BUT NOT in eukaryotes?
Cell walls
Phospholipids
DNA genomes
None of the above: All are found in bacteria and some or all Eukaryotes
. 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.
. The DNA of a bacteria is contained where in the cell?a. in the nucleusb. in a region of the cytoplasm called the nucleoidc. at the ribosomesd. within the lipopolysaccharide layer
Chapter 4 Solutions
Biology: Life on Earth (11th Edition)
Ch. 4 - 1. Which of the following is/are found only in...Ch. 4 - Which of the following is not a function of the...Ch. 4 - Prob. 3MCCh. 4 - 4. Which of the following is not a location of...Ch. 4 - Which of the following statements is False?...Ch. 4 - The plasma membrane is composed of two major types...Ch. 4 - The three types of cytoskeleton fibers are...Ch. 4 - Prob. 3FTBCh. 4 - 4. Antibody proteins are synthesized on ribosomes...Ch. 4 - After each description, fill in the appropriate...
Ch. 4 - Two organelles that are believed to have evolved...Ch. 4 - 7. What structure in bacterial cells is composed...Ch. 4 - 1. What are the three principles of the cell...Ch. 4 - 2. Which cytoplasmic structures are common to both...Ch. 4 - Prob. 3RQCh. 4 - Describe the nucleus and the function of each of...Ch. 4 - What are the functions of mitochondria and...Ch. 4 - What is the function of ribosomes? Where in the...Ch. 4 - Describe the structure and function of the...Ch. 4 - 8. How are lysosomes formed? What is their...Ch. 4 - 9. Diagram the structure of eukaryotic cilia and...Ch. 4 - List the structures of bacterial cells that have...Ch. 4 - Prob. 1ACCh. 4 - Prob. 2ACCh. 4 - What problems would an enormous round cell...
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- The nucleotides from a bacterial cell were found to have the following abundances: 39% uracil; 41% adenine, 9% cytosine; 8% guanine. What type of molecule is the genome of the bacteria likely made of? a. Double stranded DNA b. Single stranded DNA c. Messenger RNA d. Double stranded RNAarrow_forwardIn prokaryotes, transcription and translation are said to be coupled. This can only happen in prokaryotes because: They have circular DNA. They lack a nucleus. They lack organelles. They have a nucleus.arrow_forwardWhich of the following statements is (are) true? (a) Bacterial ribosomes consist of 40S and 60S subunits. (b) Prokaryotic DNA is normally complexed with histones. (c) Prokaryotic DNA normally exists as a closed circle. (d) Circular DNA is supercoiled.arrow_forward
- Most bacteria have a cell wall made of peptidoglycan, the structure of which makes the cell wall very strong. Explain the specific components that make up the bacterial cell wall which give it strength and protectionarrow_forwardAt this point we know that DNA is located inside the nuclei (plural of nucleus) of cells, but would you eat DNA?arrow_forwardWhich of the following is never found in prokaryotes?A. RibosomesB. DNA PolymerasesC. Golgi ApparatusD. CytoplasmE. DNAarrow_forward
- Which of the following is not found in all bacterial cells?a. cytoplasmic membrane b. a nucleoidc. ribosomesd. actin-like cytoskeletonarrow_forwardGenetically speaking, prokaryotes are different from eukaryotes because: a. prokaryotes usually have one main circular chromosome, whereas eukaryotes have multiple linear chromosomes prokaryotes do not usually have histone proteins to package their DNA prokaryotes do not have a nucleus to house their DNA as eukaryotes do prokaryotes have less total DNA than do eukaryotes All of the abovearrow_forwardchoose one protein in the given list (you can choose everything except capsid, envelope and NSI) and get the atomic acid of it.arrow_forward
- Which features do Archaeans and Eukaryotes have in common: NAPs. f-Met specification by start codons. branched fatty acid tails on phospholipid molecules. complex versions of RNA polymerases.arrow_forwardWhich of the following statements is TRUE? RNA codes for the production of protein. Prokaryotic chromosome can be found in multicellular cells. DNA codes for the synthesis of nitrogenous bases Protein code for the production of protein, RNA or DNAarrow_forwardAll of the following are correctly matched and can be found in bacteria EXCEPT: Cell (plasma) membrane – encloses cytoplasm; phospholipid bilayer with proteins None of the other four answers (all are correctly matched and can be found in bacteria) Cell wall - contains peptidoglycan Nucleus – membrane-bound organelle containing multiple chromosomes Ribosomes – site of protein synthesisarrow_forward
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Bacterial Structure and Functions; Author: Osmosis;https://www.youtube.com/watch?v=b15Hy3jCPDs;License: Standard youtube license