What cells are like James Bond special agents? Describe these cells
What will be an ideal response?
Another very important defender against the bad characters are the natural killer (NK) cells that are lymphocytic cells programmed to recognize other cells that are "non-self" such as tumor cells and cells infected with viruses, and to release cytotoxic (poisonous to the cell) chemicals that lyse (i.e., chemically degrade and destroy) these cells. These cells are important first defenders against endogenous threats such as tumors and cancers. They are like James Bond special agents that are licensed to carry specially designed poison dart weapons that neutralize domestic villains.
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When, if ever, would gambling cause release of dopamine similar to the way addictive drugs do? a. It always does, for anyone
b. It does from the start, for people who will later become compulsive gamblers. c. It does, after someone becomes a compulsive gambler. d. It does not, for anyone.
Which is the most effective way for parents to reduce the negative impact of divorce on a child? a. Reinforce the idea that in life you cannot control what happens to you
b. Make sure that only one parent is actively involved with the child's life. c. Ask the child to help mediate disputes between you and your ex-spouse. d. Don't view the love of your child as a competition between you and your ex-spouse.
Seventyfiveyearold Louella tells her family she's been diagnosed with "hardening of the arteries.". What is the scientific name for Luella's condition?
a. artherosclerosis b. diabetes c. myocardial infarction d. arteriosclerosis e. hypertension
Any variable that is measured using numbers is best termed a(n) ____ measure
a. quantitative b. qualitative c. objective d. subjective