In humans, most nutrient molecules are absorbed by the __________.
a. stomach
b. liver
c. small intestine
d. large intestine
e. pancreas
Answer: c. small intestine
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Arrange the steps in RNA splicing in order from earliest to latest
A) exon ends are covalently joined together B) components of the spliceosome bind conserved regions in the intron and bring them together in close proximity C) acceptor splice site is cut. D) donor splice site is cut and the end of the intron is joined covalently to the branch site
You are studying a type of cell that you don't know much about. You want to determine what organism the cell comes from. You decide to watch cell division in this plant using the appropriate cell biology tools
After some experimentation, you determine that cytokinesis in this cell is sensitive to myosin inhibitors. You are likely studying A. a plant cell. B. an animal cell. C. a bacterial cell. D. a cell type that has not been previously studied.
The ectoderm is to the central nervous system as the mesoderm is to the
A. epidermis. B. respiratory tube. C. digestive tract. D. skeletal muscle. E. peripheral nervous system.
Baker's yeast or ________ are ethanol-fermenting yeasts commonly used when making bread and pizza dough
A) Lactobacillus delbrueckii B) Saccharomyces cerevisiae C) Thermus aquaticus D) Streptococcus thermophilus E) Aspergillus niger