Oxyhemoglobin appears _____ in color; deoxyhemoglobin appears _____.Multiple choice question.darker red; bright redbright red; darker red

Blood is red because of the presence of which molecule?Multiple choice question.PlasminAntibodiesHemoglobinThrombin

When hemoglobin combines with oxygen, it forms ______. When hemoglobin releases oxygen, it is called ______.Multiple choice question.oxyhemoglobin; deoxyhemoglobindeoxyhemoglobin; oxyhemoglobin

When oxygen binds to heme, hemoglobin assumes a slightly different shape and is called Blank______.Multiple choice question.deoxyhemoglobinoxyhemoglobincarbaminohemoglobin

Our blood is red (always!) due to the iron in hemoglobin.  What happens when oxygen binds to hemoglobin?Becomes oxyhemoglobin; turns bright redBecomes carbaminohemoglobin; turns blueBecomes hemoglobin; turns clearBecomes deoxyhemoglobin; turns dark red

The light-absorbing pigment found in rods is Blank______.Multiple choice question.rhodopsinhemoglobinvitamin Amyosin