What hormone, secreted by the stomach, increases the secretion of acids by cells of the stomach lining?
a. amylase
b. gastrin
c. pepsin
d. pepsinogen
e. insulin
b
Biology & Microbiology
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Which of the following molecules would enter the cell via a specialized transmembrane receptor?
A) water B) fatty acids C) cholesterol D) ethanol E) gases
Biology & Microbiology
When using lacZ containing vectors, colonies containing intact vector turn blue
Indicate whether this statement is true or false.
Biology & Microbiology
Describe four properties of water that make it indispensable for life as we know it on Earth. How do the properties of water arise?
What will be an ideal response?
Biology & Microbiology
Which of the following are characteristics of cancer cells?
A. promote angiogenesis B. genetically unstable C. exhibit metastasis D. escape signals for death
Biology & Microbiology