Which elements make up the majority of the human body?
What will be an ideal response?
Carbon, oxygen, and hydrogen make up the majority of the human body.
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Which pattern of diploid and haploid phases reflects the life cycle in animals?
a. alternation between haploid and diploid generations b. two haploid generations followed by a diploid generation c. one haploid generation followed by two diploid generations d. a single generation that limits the haploid state to gametes while the rest of the organism is diploid e. a single generation that limits the diploid state to gametes while the rest of the organism is haploid
Why doesn't the stomach acid just digest right through the wall of the stomach?
A. The lining of the stomach is protected by mucus. B. Food prevents the acid from digesting the wall of the stomach. C. The pH of the stomach acid is not low enough to be able to digest the lining. D. Neutralizers are imbedded in the stomach lining. E. It does, we just rebuild the layers faster than they can be digested.
A person whose cells all contain a chromosome number of 2n+1 most likely has what type of condition?
A. trisomy B. monosomy C. cancer D. obesity E. None, this is the normal chromosome number for humans.
Ginkgos are classified as
A) angiosperms. B) bryophytes. C) seedless vascular plants. D) gymnosperms. E) ferns.