Sickle cell disease results from an amino acid change from valentine to glutamic acid. the result of this amino acid change is a deformed hemoglobin protein that does not carry oxygen well. what type of genetic mutation caused the amino acid change in a person with sickle cell anemia? a. frameshift mutationb. silent mutationc. nonsense mutationd. missense mutation

What do all macromolecules have in common with each other? oa. they all are formed from the same elements.ob. they all have major roles in cell membranesoc. they all act as catalysts in the body.od. they all have peptide bonds between carbon atoms.

Monitor and apply fix up strategies

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a.earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c.earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.