Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 20, Problem 2SQ
The capsid of a virion consists of ___ .
- a. DNA
- b. RNA
- c. protein
- d. lipids
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Students have asked these similar questions
The ____ is located outside the cell wall in a prokaryotic cell.a. nucleoid b. nucleus c. capsuled. ribosome
Match the term with the definition
A. Capsid
B. Mitochondria
C. Ribosome
D. Envelope
E. fimbrae
F. Eukaryotic cell membrane
G. Flagella
derived from a host cell’s cell membrane
Structure that encloses the genetic material of a virus
acts as a selectively permeable membrane
Organelle in which ATP is produced
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b. Preceded by DNA replication
c. Results in gamete production.
d. Spindle apparatus guides chromoson e movement
e. Process of nuclear division.
12. The identification of bacteria by serologic tests is based on the presence of specific
antigens. Which of the following bacterial components is least likely to conta in useful
antigens?
a. Ribosomes
b. Cell wall
c. Capsule
d. Flagella
13. Each of the following statements concerning the Gram stain is correct except.
a. Escherichia coli stains pink because t has a thin peptidoglycan.layer
b. Streptococcus pyogens stains blue because it has a thick peptidoglycar layer
c Mycoplasma pneumoniae is not visible in the Gram's stain because it does not have a
d. Mycobacterium tuberculosis stains blue because it has a thick lipid layer
14. An outbreak of sepsis caused by Staph loeoccus aureus has occurred in the newborn
nursery. You are called upon to investigate. According to your knowledge of the normal
flora, what is the most likely source of ne…
Chapter 20 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 20 - Bacteriophage-Inspired Antibiotics Although...Ch. 20 - Bacteriophage-Inspired Antibiotics Although...Ch. 20 - Bacteriophage-Inspired Antibiotics Although...Ch. 20 - The genome of ___ can be either RNA or DNA. a. a...Ch. 20 - The capsid of a virion consists of ___ . a. DNA b....Ch. 20 - Bacteriophages kill their host quickly by ______ ....Ch. 20 - The genetic material of HIV (a retrovirus) is...Ch. 20 - Prob. 5SQCh. 20 - Prob. 6SQCh. 20 - Prob. 7SQ
Ch. 20 - Bacteria that serve as decomposers are ___ . a....Ch. 20 - Prob. 9SQCh. 20 - Formation of a(n) ___ allows some soil bacteria to...Ch. 20 - _____ in the stomach of a cow release methane. a....Ch. 20 - A plasmid is a circle of ___ . a. RNA b. DNA c....Ch. 20 - Prob. 13SQCh. 20 - Prob. 14SQCh. 20 - Prob. 15SQCh. 20 - Prob. 1CTCh. 20 - Adenoviruses that cause colds do not have a lipid...Ch. 20 - The antibiotic penicillin acts by interfering with...Ch. 20 - Raw red alga of the genus Porphyra is part of a...
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- 1- Label the diagram below showing a cross section of a Nereis (Annelida, Polychaeta) metamere . 3 4 -7 8. 10 -11 -12 1 : 7: 2 : 8 : 3: 9: 4: 10 : 5 : 11 : 6 : 12 :arrow_forward4, what term describes a sequence of DNA that cord for a protein? a, Anticodon b, Gene c, Chromosome d, Codon 5, sources of genetic variation between parents offspring come from_____ a, Independent assortment and mitosis b, Mitosis c, Mitosis and crossing over d, Independent assortment and crossing overarrow_forwardMatch the terms with their correct descriptions. a. Many cells adhering to each other after division forming a small or possibly large mass of cells. May have other regular geometries like sets fo 4 cells. b. Spherical cells c. Many cells adhering to each other after division, end to end forming a long string of cells d. Cell membrane surrounded by a thick peptidoglycan cell wall e. Elongated or cylindrical cells with spherical ends f. Corkscrew or twisted elongated cells g. Cell membrane surrounded by a thin peptidoglycan cell wall which is then surrounded by an outer cell membrane 1. Cocci 2. Bacilli 3. Spirilli 4. Gram + 5. Gram - 6. Filamentous 7. Clumpedarrow_forward
- Which type of cells do meiosis form? a Diploid b Haploid C Body cells d Genetically identicalarrow_forward10. What would be the result if a cell failed to express a functional signal peptidase enzyme? a. It would be unable to import proteins into the nucleus b. It would be unable to export proteins out of the nucleus c. It would be unable to synthesize any proteins d. It would be unable to secrete proteins e. Both a and b are correct answersarrow_forwardEstrogen is a female hormone that helps develop and maintain the reproductive system. Estrogen is produced in the: O a. Cytoplasm O b. Smooth ER O c. Golgi apparatus O d. Nucleus Rough ER e. Type here to search Chp f5 f6 f7 f8 144arrow_forward
- 10. _E.coli phage T4 DNA is terminally redundant and ____________________.A. linearly permutedB. circularly permutedC. single-strandedD. blunt endedE. none of the above 11. ___________ allows cells to maintain the chromosome number.A. MeiosisB. MitosisC. Binary fusionD. BuddingE. None of the above 12. ___ is the repair of UV-damaged DNA by a light-dependent enzymatic reaction.A. PhotoreactivationB. Sensory deprivationC. PhotoinductionD. PhotosynthesisE. none of the abovearrow_forward______ cells lack a membrane-bound nucleus and do not have DNA. a Eukaryotic b Binary c Plasmid d Prokaryoticarrow_forward_________ is an example of reproductive cloning. a. Somatic cell nuclear transfer SCNT b. Multiple offspring from the same pregnancy c. Artificial embryo splitting d. a and carrow_forward
- e 9:Y. 1Asiacell C. Inner membrane and outer membrane D. Intramembranous space and Inner membrane Clear selection Heteroplasmy is a term referring to: A. Impaired mitochondrial function B. Mosaics of genetically different mitochondria C. Large number of abnormal mitochondria are inherited D. Whole mitochondrial complement of a developing embryo is derived from mitochondria present in the ovum. العربية الإنجليزيةarrow_forwardviruses protozoa The term used to describe the spread of cancer to other areas of the body is* Leukemia O tumor O metastasis O carcinoma O Oarrow_forward10. Identify the pointed stages of mitosis below and describe. A B C D Whitefish blastula А. В. C. D.arrow_forward
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