Consider this hypothesis: "Drinking Echinacea tea reduces the duration and severity of colds." Which of the following statements is the best prediction based on this hypothesis?
A) If people with a cold drink Echinacea tea, then they will feel better sooner.
B) If people with a cold drink Echinacea tea, then a tea ingredient will destroy the cold viruses.
C) If people with a cold drink Echinacea tea, then the tea will reduce their stress.
D) If a person doesn't drink Echinacea tea, then he or she will catch a cold very easily.
A
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Which of the following would you expect to find at high concentrations in lysosomes?
a. Proteins destined for secretion b. Glycosylation enzymes c. Degradative enzymes d. Proteins containing the Lys-Asp-Glu-Leu (KDEL) amino acid sequence
The entire chemical reactions take place in a cell is
a. digestion b. oxidation c. metabolism
During previous flu seasons, small variations in the influenza virus resulted in the immune system's inability to full recognize and respond to flu exposure. As a result, the vaccine was less than 30% effective. This is an example of ________.
A. the founder effect B. antigenic shift C. antigenic drift D. artificial selection
These lipids have a hydrophobic part and a hydrophilic part
A) carotenoids B) phospholipids C) triglycerides D) steroids