Which of these statements best describes anomers? A) Compounds that have two or more chiral carbons B) Diastereomers that differ in structure at just one of their chiral carbons C ) Cyclic monosaccharides that differ only in the arrangement of groups around the anomeric carbon D) Isomers whose structures are mirror images of one another
Blog
Which one of the following statements is true about GLUT tra…
Which one of the following statements is true about GLUT transporters? A) GLUT, transport glycerides via facilitated diffusion across the cell plasma membrane B) GLUT2 is the major glucose transporter in brain, placenta and erythrocytes C) GLUT1 is found in the pancreas, liver and kidneys. D) GLUT4 exists in skeletal muscle cells, adipocytes, and cardiomyocytes
Endogenously synthesized triacylglycerols are transported fr…
Endogenously synthesized triacylglycerols are transported from the liver to the extrahepatic tissues by which of the following lipoproteins? A) Chylomicrons B) VLDL C) LDL D) HDL
Two monosaccharides combine to form a disaccharide by removi…
Two monosaccharides combine to form a disaccharide by removing…? A) One molecule of oxygen B) One molecule of waterC) One molecule of carbon D) One molecule of hydrogen
In the following epinephrine pathway, which component is the…
In the following epinephrine pathway, which component is the second messenger? Epinephrine → G protein-coupled receptor → G protein → adenylyl cyclase → cAMP → protein kinase A A) G-protein B) cAMP C) GTP D) Adenyl cyclase
What kind of molecule is represented by the following struct…
What kind of molecule is represented by the following structure: CH3CH2CH2CH2CH2CH2CH2CH2CH2CH2CH2CH2CH2COOH A) An unsaturated fatty acid B) A saturated fatty acid C) A disaccharide D) A carboxylic ester fatty acid
. Which of the following best describes the cholesterol mole…
. Which of the following best describes the cholesterol molecule? A) Amphiphatic B) Polar, charged C) Polar, uncharged D) Non-polar, charged E) Non-polar, uncharged
Which of the following statements is true of lipids? A) Many…
Which of the following statements is true of lipids? A) Many contain fatty acids in thioester linkage. B) Gangliosides contain a sialic acid C) Testosterone is an important sphingolipid found in myelin. D) They play only passive roles as energy-storage molecules.
Which is the correct chair form of the β anomer of D-mannose…
Which is the correct chair form of the β anomer of D-mannose?
The two strands of a DNA double helix are held together by:…
The two strands of a DNA double helix are held together by: A) ionic bonds B) hydrogen bonds C) noncovalent bonds D) polar covalent bonds