Choose the letter of the best match from the following:A. Third trimester of pregnancyB. Second month of pregnancyC. First month of pregnancyD. Second trimester of pregnancyE. Third month of pregnancyMajor nerve tracts are formed.
What will be an ideal response?
A
A. third trimester of pregnancy
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Glucose is converted into glucose 6-phosphate by hexokinase. Glucose 6-phosphate then serves as the substrate for the enzyme phosphoglucose isomerase, which converts this reactant into fructose 6-phosphate. Fructose 6-phosphate serves as the substrate for phosphofructokinase, which converts fructose 6-phosphate into fructose 1,6-bisphosphate. Based on the information provided, this is an example of what?
A. Feedback inhibition B. Allosteric regulation C. A metabolic pathway D. Enzyme inhibition
If you were observing an early stage in human development at which endoderm, mesoderm, and ectoderm had just formed, you would be looking at a
A. zygote. B. gastrula. C. embryonic stage. D. morula. E. fetal stage.
A malignant melanoma is caused by ____
a. heredity b. viruses c. chemical carcinogens d. radiation e. weakened immunity
The nutrients utilized by the Archaea were most likely
A. sugars and proteins. B. CO2, CO, H2, H2S, N2, and S. C. vitamins and minerals. D. carbohydrates and fats.