A Paramecium is an example of a ________.
A. tertiary consumer
B. quaternary consumer
C. primary producer
D. secondary consumer
E. primary consumer
Answer: E
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In a neuron at rest, the membrane is most permeable to
A. potassium. B. sodium. C. chloride. D. calcium. E. magnesium.
The diploid cell formed by the fertilization of the egg by the sperm during sexual reproduction is a
A) reciprocal. B) zygote. C) dihybrid. D) gamete. E) monohybrid.
When blood glucose concentration is high, pancreatic beta cells secrete insulin, and consequently
blood glucose concentration is increased. ____________________ Indicate whether the statement is true or false.
When a new food product is being analyzed for nutritional content, the food will be subjected to hydrolysis in the lab. The end products are analyzed to determine, for example, fat and sugar content. Suppose a lab is analyzing a new product that claims
to be fat free. After the hydrolysis of the product is complete, the examiners find glucose, glycerol, fatty acids, and amino acids. Is this product free of fat? Justify your answer. What will be an ideal response?