Which of the following is false regarding
hemoglobin?
a. It is a protein.
b. It is a pigment.
c. It has the same function in mollusks, annelids,
and some crustaceans as it has in humans.
d. Annelid hemoglobin is a smaller than human
hemoglobin.
e. It is comparable in function to hemocyanin.
Answer: d
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Tony sometimes seems very "wound up." At those times, he seems full of energy, talks very rapidly, and makes very grandiose plans. (One time, he gave away all of his belongings and was planning to move to Washington, D.C., so he could advise the President.) At these times, he also seems to need almost no sleep. During other periods of time Tony seems very "down." During these times he does not take care of himself. He seems to want to sleep all the time, and he often makes thinly veiled references to wanting to commit suicide.
a. Schizophrenia b. Major Depression c. Dissociative Identity d. Bipolar Disorder e. none of the above
Which of the following syndromes is
characterized by a karyotype with 45 chromosomes? a. Turner b. Down c. androgen insensitivity d. Klinefelter e. cri-du-chat
A thin layer chromatogram is useful for
a. measuring the amount of photosynthesis. b. determining the amount of gas produced during photosynthesis. c. separating pigments based on their physical characteristics. d. determining the presence of sugars in a leaf.
Identify the structure that does NOT have a double membrane protecting it.
A) nucleus B) chloroplast C) mitochondria D) ribosome