You are testing substances on your windshield for their chemical contents, and you think that you have found a patch of bird excrement. Therefore, you expect the test to show abundant
What will be an ideal response?
uric acid
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Identify the contribution of Walter Sutton and Theodore Boveri to the science of genetics and explain its importance
What will be an ideal response?
Based on molecular evidence, fungi were present on land at least
a. 1 billion years ago. b. 500 million years ago. c. 250 million years ago. d. 125 million years ago. e. 10 million years ago.
What organism exhibits complete genetic linkage, meaning there is no recombination between homologous chromosomes?
What will be an ideal response?
Patients with diabetes mellitus have frequent urination and increased thirst because
A. an increase in sodium ions causes more nerve stimulation and triggers urination. B. more salt is reabsorbed at the proximal convoluted tubule. C. less water passes from the glomerulus to the glomerular capsule. D. increased glucose in the urine increases its osmolarity and less water is reabsorbed by blood. E. more water is driven from the glomerulus to the glomerular capsule than normal.