Celiac disease is a condition in which the lining of the small intestine is damaged. Which
digestive process is primarily impacted by this disease?
a. nutrient absorption
b. chemical breakdown
c. production of digestive enzymes
d. bile production
A
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Which of the following statements accurately describes Gregor Mendel?
A. He conducted many preliminary studies with various animals and plants. B. He kept very detailed records of his research. C. He had a strong background in mathematics. D. He was very deliberate and followed the scientific method closely while doing his research. E. All of the statements accurately describe Gregor Mendel.
Being born with extra fingers on a hand is called polydactyly. This is more common in some populations in North America than others due to ________.
A. random mating with other populations in North America B. natural selection in favor of extra fingers in these populations C. a founder effect because their ancestors from Europe carried the alleles D. migration of people with multiple fingers out of the population E. an increase in mutation rate in these populations
What technique allows an investigation of the microheterogeneity of a membrane so that one can see localized differences in different parts of the membrane?
a) circular dichroism b) tasty-freeze replication c) freeze-fracture replication d) X-ray crystallography e) freeze-denture replication