If you wish to target a retrovirus in a cell but do not want to disrupt retrotransposons, which gene(s) would you target?
What will be an ideal response?
Target env or gag, since they encode the protein particles that form the retroviral particle and are not required for retrotransposition.
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Which of the following describes a prion?
a. enveloped viral particle with double-stranded DNA enclosed by a capsid b. infectious RNA particle c. infectious proteinaceous particle with no associated nucleic acids d. a simple prokaryote with only a membrane and a nucleoid region
A hypothetical "microbullet" shot through a
phospholipids bilayer will pass the component in which order?
a. tail >>> tail >>> head >>> head b. head >>> tail >>> tail >>> head c. head >>> tail >>> head >>> tail d. head >>> head >>> tail >>> tail e. tail >>> head >>> tail >>> head
Plants growing in shade tend to produce less rubisco and more chlorophyll than plants growing in full sun
Indicate whether the statement is true or false
A connective tissue differs from an epithelial tissue in that connective tissue
A) is composed of cells supported by a basement membrane. B) can produce and secrete products into the bloodstream. C) is composed of cells that can be described as squamous or cuboidal. D) is composed primarily of a nonliving extracellular material, which is located between the cells. E) is composed of cells interconnected by gap junctions or adhesion junctions.