Choose the most common human disorders that are the result of abnormalities in chromosome number.
What will be an ideal response?
sex chromosome abnormalities
trisomy 21
trisomy 13
trisomy 18
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The Krebs cycle occurs in the mitochondria. There are nine biochemical reactions involved in the Krebs cycle, and they are highly ordered. Select the correct order. (Note: These are abbreviated and do not show NAD, ADP, ATP, or FAD.)
A. acetyl-CoA joins the Kreb cycle and unites with oxaloacetate ®forming citrate ®which forms beta-ketoglutarate ® which forms succinyl-CoA ® which forms succinate ® which forms fumarate ® which forms malate ® which forms oxaloacetate B. acetyl-CoA joins the Kreb cycle and unites with oxaloacetate ®forming citrate ®which forms alpha-ketoglutarate ® which forms succinyl-CoA ® which forms succinate ® which forms malate ® which forms fumarate ® which forms oxaloacetate C. acetyl-CoA joins the Kreb cycle and unites with oxaloacetate ®which forms alpha-ketoglutarate ® forming citrate ® which forms succinyl-CoA ® which forms succinate ® which forms fumarate ® which forms malate ® which forms oxaloacetate D. acetyl-CoA joins the Kreb cycle and unites with oxaloacetate ®forming citrate ®which forms alpha-ketoglutarate ® which forms succinyl-CoA ® which forms succinate ® which forms fumarate ® which forms malate ® which forms oxaloacetate
Severe pain in the lower right abdomen along with fever and nausea is often a sign of an infection in this structure.
A) Large intestine B) Stomach C) Esophageal cancer D) Appendix E) Mouth F) Salivary glands G) Rectum H) Cirrhosis I) Gallbladder J) Small intestine
Engelmann was unaware of which of the following
facts? a. Algae are capable of photosynthesis. b. Some bacteria are aerobic. c. Visible light is made up of various wavelengths. d. Oxygen is released in photosynthesis. e. Pigments are involved in photosynthesis.
When one atom loses an electron to another atom, it results in the formation of
A. many hydrogen bonds. B. a polar covalent bond and a new molecule. C. a nonpolar covalent bond that is difficult to break. D. cations and anions that can form ionic bonds. E. a covalent bond between the two.