Spontaneous generation referred to the idea that organisms came from other organisms
Indicate whether this statement is true or false.
FALSE
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Lysosomes function best at a pH of ____
a. 7.4 b. 6.5 c. 3.2 d. 5.0 e. 8.2
Most fluid that enters the digestive system is absorbed through the ____
a. stomach b. pancreas c. small intestine d. lymph vascular system e. large intestine
Genetic methods of detecting microorganisms reveal that the number of bacterial species in nature exceeds previous estimates by several orders of magnitude. In human mouths, for example, it is estimated that 500-700 microbial species are normally
present. Explain why previous estimates were low. What will be an ideal response?
Forensic scientists may have to identify an adult victim who was lost in the wilderness years ago from the remains found by a hiker. What type of evidence from the bones would they look for to determine the age of the person?
A) any broken bones because the bones of the elderly break easily B) the number of bones C) The bones do not yield much information that can help to determine age. D) the size of the bones and the condition of the growth plate