Mitosis ensures that each somatic cell has
What will be an ideal response?
the diploid number of chromosomes.
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Which of the following describes the effector response of sweat glands and blood vessels?
a. sweat glands release sweat and blood vessels dilate b. sweat glands stop releasing sweat and blood vessels dilate c. sweat glands release sweat and blood vessels constrict d. sweat glands stop releasing sweat and blood vessels constrict
When fats are broken down and used as an energy source, the fatty acids are converted to ________, which then enters the citric acid cycle
Fill in the blank(s) with correct word
Your tongue does NOT grow hair because
A) skin cells have extra DNA that codes for hair proteins. B) the genes for hair proteins have been deleted from the cells of your tongue. C) saliva prevents hair from growing. D) different genes are expressed in different tissues.
All of the following are characteristics of an effective vaccine except
A. it should have a relatively long shelf life. B. it should be easy to administer. C. it should stimulate only the antibody (B-cell) response. D. it should not require numerous boosters. E. it should protect against wild forms of the pathogen.