hoose the complimentary DNA strand to this one TAACGTACG: Select one O a ATCGATCGA O b....
Which of the following cell types are produced during the primary response to a virus and provide a swift response during the second exposure to the same virus? Select one a macrophages b. memory cells OC. neutrophils od natural killer cells
Please answer 1-5 Which of the following do leukocytes use to determine whether something is foreign to the body or should be destroyed? Select one: a major-histocompatibility proteins O b. antigen O c. antibodies O d. all of the above When crossing a plant that is homozygous dominant for flower color (purple) with a plant that is homozygous recessive for flower color (white), the FI generation is Select one O a homozygous and white Ob homozygous and purple c heterozygous...
Choose the complimentary DNA strand to this one TAACGTACG. Select one: O a ATCGATCGA O b. AUUGCAUGC O c. AAATTTCCC O d. ATTGCATGC
During the initial infection by a virus, macrophages with antigen expressed on their surface secrete interleukin 1. triggering cells to activate T and B cell responses Select one - a memory ob, helper T oc monocyte od suppressor T
Natural killer cells Select one: O A. attack virus-infected cells by releasing chemicals that lead to cell death. OB. "eat" microorganisms that have been tagged with antibodies. O C. tag pathogenic microorganisms with antibodies. O D. are phagocytes that attack and kill pathogenic microorganisms.
If the DNA template strand sequence at a particular region of a gene is 3-GGA-5. What amino acid would this result in after transcription and translation? Pro (Proline) Ser (Serine) Val (Valine) Arg (Arginine) Question 20 1 pts What is created during transcription? a strand of codons O a strand of tRNA a strand of anticodons a polypeptide • a strand of DNA IPS Which letter (representing a phase of the cell cycle) would you observe (S phase) synthesis and...
True or False: Somatic hypermutation strengthens the memory response against a known pathogen. Select one: O O True False True or False: Large amounts of high affinity IgG are produced during the primary response to infection. Select one: O True O False True or False: The T-cell zone exists in the germinal center of the primary follicle. Select one: O O True False True or False: An example of T-cell Independent-1 B-cell activation is lipopolysaccharide (LPS) interaction with both the...
The template strand of DNA is read Select one: O O O either 5' to 3' or 3' to 5' 5' to 3' 5' to 5' 3' to 5' s page Next pagee
1. Which types of cells can produce memory cells? Select the TWO answers that are correct. B cells O cytotoxic T cells Oneutrophils macrophages O helper T cells 2. What must happen in order for a vaccine to confer immunity? Select the TWO answers that are correct. OThe vaccine should have the specific antibodies to the pathogen in it. O The vaccine should prompt the immune system to produce antibodies to the pathogen. O The vaccine will cause a mild...
True or false: One molecule of IgG can bind to 2 differently structured antigens at the same time. True O False Question 5 3 pts A person with HIV has far fewer Helper T cells than a healthy person because the virus infects and destroys Helper T cells. Which other cell type will be less common in a person infected with HIV compared to an uninfected individual? Unactivated (immature) B cells Macrophages Memory B cells Neutrophils