Which type of T cell improves the immune response?
What will be an ideal response?
helper T cell
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Most marine animals have an osmolarity of about ____ mOsm/L
a. 5 b. 225 c. 300 d. 1000 e. 1500
Which of the following represents a gamete with a dominant allele?
A. bb B. b C. AA D. Aa E. A
Plants are susceptible to bacterial infections, which can damage their structure or even kill them. Which of the following would be the best antibiotic to treat a plant that is infected with bacteria?
A) a drug that interferes with mitochondria function B) a drug that disrupts cell wall structure and function C) a drug that destroys the central vacuole D) a drug that blocks gene expression in circular chromosomes
Which of the following is not a therapeutic effect of aspirin?
a. Stimulation of the growth of fibroblasts at the site of a wound, thus aiding the healing process b. Reduction of inflammation and pain c. Reduction of blood clotting d. Reduction of the chance of acquiring colon cancer