21.photosynthetic cell that lacks a nucleus is archaea.
22. Archeabacteria are not facultative anaerobes and are not usually pathogenic.
23. Poxviridae does not contain genome as RNA.
24. Retroviruses contain RNA dependent DNA polymerase with them
25. Rhabdoviruses carry RNA dependent RNA polymerase.
21. Into which group would you classiya photosyntheti cel that lacks and a Alge Archana c....
23. Which viral group does NOT carry its genome as some form of RNA? a Retroviridae b Picomaviridae c. Rhabdoviridae d Poxviridae e Orthomyxoviridae
o the heat Retroviruses Temperate phages Hepadnaviruses d Virulent pages Prokaryotes 20. Normal microbiota of the human colon are mostly to be classified in which group? Mollicules b Firmicules 24. Viruses that carry an RNA-dependent DNA polymerase WITH THEM, so it will be immediately available when they infect a cellare a Picornaviruses b. Rhabdoviruses Herpesviruses d. Papovaviruses e Retroviruses
a,b and d please
1. (6 pts) The genomes of viruses are diverse. For animal viruses, they often encode and bring own polymerases to the infected host cell for viral replication. a. (1 pt) Viruses with single-stranded RNA as their genome for which the nucleotide sequence is the same as the viral mRNA are said to be viruses. (Circle one best answer.) A) plus-stranded; B) minus-stranded; C) mRNA-like; D) complete; E) defective b. (1 pt) A virus is an obligate...
36) Which of the following has been linked to cervical cancer? a) Human papilloma virus b) Epstein-Barr virus c) Influenza Virus d) Human immunodeficiency virus e) Human herpes virus 37) This virus has 8 nucleocapsids a) Rhabdoviridiae b) Orthomyxoviridiae c) Herpesviridiae d) Retroviridae e) Ebola 38) Which of these enzymes is necessary for the replication of a (+) strand RNA virus? a) RNA dependent RNA polymerase b) RNA-dependent DNA polymerase c) Reverse Transcriptase d) DNA dependent DNA polymerase e) DNA-dependent...
21. Into which group would you classify a photosynthetic cell that lacks a nucleus? a Algae b. Archaea c. Eukarya d. Fungi e. Protista
ach) 1. Which of the following statements correctly describes one replication? characteristic of the lytic cycle of viral Many bacterial cells containing viral DNA are produced 8) Viral DNA is incorporated into the host genome C) Th e viral genome replicates without destroying the host The bacterial host provides the nucleotides, enzymes, ribosomes and other co requires to make viral components D) 2. What is the function of the viral glycoproteins that are present in an enveloped virus? A) They...
1. Which of the following is a valid argument against including viruses in the group of ‘life’? a) Viruses are very small b) SomeviruseshavegeneticmaterialmadeofRNA,notDNA c) Viruses are not capable of independent reproduction d) Virusesinfectawiderangeofhosts e) Viruses can evolve very rapidly 2. M13 is a bacteriophage (a type of virus) that infects E. coli cells, and is capable of integrating into the host genome, becoming a prophage. It is likely to enter the ____________ when conditions are not conducive for rapid...
synergism
Page 2 of 5 Rabibove love 18. The Spectrum of cells a virus can infect is defined as the host mange. Which of the following viral pathogens has the widest host range? & Hepatitis B adsorbs to human liver calls & Poliovirus attaches to intestinal and nerve cells c Rabies attaches to several cells of many mammals a all the above C none of the above 19. In Persistent infections, the cell harbors the virus, which is not immediately...
Figure 21 CO ah--o-o __ d. HCOO-C-CHE . HC- cy 18) In Figure 2.1, which is an alcohol? B) b A) a 9c D) E) e Figure 23 HONCHO -CH- OH 19) What kind of bond is at the arrow in Figure 2.37 A) hydrogen bond B) ionic bond C) peptide bond D) double covalent bond E) disulfide bridge 20) Starch, dextran, glycogen, and cellulose are polymers of A) amino acids. B) acids. C) nucleic acids. D) glucose. E) fatty...
1. Bacteria such as E.coll and staph belong to which Domain? A. Animalia B. Eukarya C. Archaea D. Bacteria 2. In general terms, prokaryotic cells are cells that? A. Have a nucleus B. Do not have a nucleus. 3. Think about the name E. coli 4X56. In that name which refers to the serotype? A E B. coli C4X56 4. Which of the following best describes the type of bacteria that are important to ecology, and once were thought to...