Question 14: Which Of The Following Enzymes Is Saved?

Question 14 Pointssavingsavedwhich Of The Following Enzymes Is Ne

saving...Saved Which of the following enzymes is needed to synthesize the DNA molecule from the viral RNA genome; Question 1 options: DNA polymerase RNA polymerase Reverse transcriptase Replicase Question 2 (4 points) Saving...Saved Viruses that persist in the cell and cause recurrent disease are considered; Question 2 options: Oncogenic Cytopathic Latent Resistant Question 3 (4 points) Saving...Saved The capsid is composed of protein subunits called; Question 3 options: Spikes Protomers Virions Capsomers Question 4 (4 points) Saving...Saving...Saved The envelope of an animal virus is derived from the ………………. Of its host cell Question 4 options: Cell wall Cell membrane Glycocalyx Receptors Question 5 (4 points) Saving...Saved The nucleic acid of a virus is; Question 5 options: DNA only RNA only Both DNA and RNA Either DNA or RNA Question 6 (4 points) Saving...Saved Enveloped viruses carry surface receptors that act as recognition sites for subsequent binding and infection of other cells, these surface receptors are called; Question 6 options: Buds Spikes Fibers Sheath Question 7 (4 points) Saving...Saved Example of virus that alters the genetic set of a host cell and transforms it to cancer cell is; Question 7 options: Herpes Simplex Virus HIV Papillomavirus Flu virus Question 8 (4 points) Saving...Saved Spikes on enveloped viral surfaces helps in; Question 8 options: Replication Entry Integration into host genome Assembly of viral particles Question 9 (4 points) Saving...Saved Endotoxins are found in which of the following organisms; Question 9 options: G + bacteria G – bacteria Both G + and G – bacteria Some fungi Question 10 (4 points) Saving...Saved Formation of biofilms is mediated by which part of the cell; Question 10 options: Flagella Pili Fimbriae Glycocalyx Question 11 (4 points) Saving...Saved Bacterial endospores function in Question 11 options: reproduction protein synthesis survival storage Question 12 (4 points) Saving...Saved Clostridium botulinum is a virus that causes neurotoxic effects (paralysis) in infected individuals. Question 12 options: True False Question 13 (4 points) Saving...Saved Viroids are short pieces of RNA with no protein coat found to infect only plants. Question 13 options: True False Question 14 (4 points) Saving...Saved Gram positive bacteria is characterized by a thin layer of peptidoglycan on its outer membrane Question 14 options: True False Question 15 (4 points) Saving...Saved A plasmid is a critical piece of DNA necessary for bacterial life. Question 15 options: True False Question 16 (4 points) Saving...Saved Undifferentiated lymphocytes exist in; Question 16 options: Thymus gland Bone marrow Lymph nodes The liver Question 17 (4 points) Saving...Saved Lymphocytes differentiate to T and B lymphocytes at Question 17 options: Trachea and Brain Tonsils and blood Thymus and Bone marrow Liver and heart Question 18 (4 points) Saving...Saved What type of immune cell first detects and processes antigens and foreign molecules; Question 18 options: Antigen presenting cells (APCs) T lymphocytes B lymphocytes None of the above Question 19 (4 points) Saving...Saved A molecule that does not initiate an immune response known as Question 19 options: Immune misleader Epitope Immunoglobulin Hapten Question 20 (4 points) Saving...Saved A molecule that initiates an immune response with an active site for immune cell recognition is known as Question 20 options: Immune misleader Epitope Immunoglobulin Hapten Question 21 (4 points) Saving...Saved Which of the following immunoglobulin classes is able to cross the placenta Question 21 options: IgG IgA IgM IgE Question 22 (4 points) Saving...Saved Which of the following immunoglobulin classes is secreted at mucus membranes (salivary glands, intestine, nasal membrane, genitourinary tract…etc) Question 22 options: IgG IgA IgE IgM Question 23 (4 points) Saving...Saved Which of the following immunoglobulin classes is associated with basophiles and mast cells in blood and mediates allergic reactions Question 23 options: IgG IgA IgE IgD Question 24 (4 points) Saving...Saved Immunoglobulins are produced by which of the following cells; Question 24 options: T lymphocytes B lymphocytes Antigen presenting cells Neutrophils Question 25 (4 points) Saving...Saved Which of the following is an example of innate immune system; Question 25 options: B lymphocytes White blood cells Skin, Saliva, Tears, and stomach acid The spleen