All of the following are ways tumors avoid immune response EXCEPT ________
A) the use of endocytosis to destroy T cells
B) the presence of regulatory T cells
C) abnormal expression of MHC
D) the use of checkpoint molecules
Answer: A
You might also like to view...
Which of the following is a true statement about sexual vs. asexual reproduction?
A) Asexual reproduction, but not sexual reproduction, is characteristic of plants and fungi. B) In sexual reproduction, individuals transmit half of their nuclear genes to each of their offspring. C) In asexual reproduction, offspring are produced by fertilization without meiosis. D) Asexual reproduction produces only haploid offspring.
In the CRISPR/Cas system ________.
A. methylated DNA sequences are hydrolyzed, effectively destroying the viral DNA B. bacteria integrate portions of the viral genome into their own so they have a molecular snapshot of their attacker to prevent future encounters C. methylase enzymes add methyl groups to the viral nucleic acids, preventing transcription D. restriction endonucleases digest viral genomes once they enter the cell if the viral DNA is not methylated
"I wish my Dad would stop smoking! Doesn't he know that nicotine inhibits the _________ lining his trachea, and when they stop moving, bacteria and viruses can settle down into his lungs causing pneumonia and emphysema?"
A. cellular respiration B. mitochondria C. cilia D. lysosomes
The purpose of the oil when using the 100x objective is to increase the amount of ________ collected by the objective lens.
A) Light B) Resolution C) Diffraction D) Air