Stanley Miller set out to demonstrate an explanation for the origins of organic molecules using a combination of simple organic molecules, heat and periodic burst of electricity through the mixture, ultimately producing what kind of molecules?
A) carbohydrates
B) amino acids
C) glycoproteins
D) nucleic acids
E) lipids
B) amino acids
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Which of these results from the second meiotic division?
A. Two diploid daughter cells with 46 chromosomes each B. Two haploid daughter cells with 46 haploid chromosomes C. Two diploid daughter cells with 23 chromosomes each D. A single daughter cell with 46 chromosomes, and a polar body with no genetic material E. Two haploid daughter cells with 23 chromosomes each
There are three compartments in a ruminant stomach
Indicate whether the statement is true or false
The layer that is responsible for the motility that propels food and residue through the digestive tract is called the ________.
A. muscularis externa B. mucosa (mucous membrane) C. submucosa D. lumen E. serosa
When a finger is pricked, the blood will stop flowing shortly because of the action of the formed elements called ________.
Fill in the blank(s) with the appropriate word(s).