Describe the structural differences between endogenous T cell receptors and CAR T cell receptors
What will be an ideal response?
Endogenous T cell receptors are very complex and contain multiple transmembrane domains and signaling domains. They also have invariant domains as well as the variant domains that bind antigens. CAR T cell receptors are much simpler; comprised of a signaling domain a single transmembrane domain and two variable domains connected with a linker sequence.
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Answer the question using the accompanying figure. In the diagram of a root tip, the structure labeled "2" is the ____
a. quiescent center b. zone of cell division c. zone of elongation d. root cap e. zone of maturation
What organ aids in the camouflage of a fish by making the ventral surface light?
a. Chromatophores b. Epiphores c. Photophores d. Mesophores
Red blood cells crenate (SHRINK) in what type of solution
a. hypertonic b. hypotonic c. isotonic d. none of these
Which of the following is NOT a theory of epigenetics explaining how cells can change gene function without changing the DNA base sequence?
A) Modification of DNA B) Mutations causing new beneficial alleles C) Modification of chromosomal proteins D) Altering transcription and translation with noncoding RNA