In sickle cell anemia, what condition happens
to the hemoglobin molecule that causes the red
blood cell to sickle?
a. a small part of it becomes hydrophobic
b. a small part of it becomes hydrophilic
c. a small part of it becomes polar
d. a small part of it becomes negatively
charged
e. more than one of these happens
A
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All of the following are stages of aerobic cellular respiration EXCEPT
a. glycolysis. b. the citric acid cycle. c. the electron transport chain. d. acetyl CoA
How are an organism’s life time energy use and economics analogous?
What will be an ideal response?
Nonliving entities do NOT possess
a. energetic interactions. b. DNA. c. atoms. d. elements. e. any of these.
When building a nest, a female Fisher's lovebird cuts long strips of vegetation and carries them to the nest site one at a time in her beak. The female peach-faced lovebird cuts short strips and carries them to the nest tucked under her back feathers
Hybrid female offspring cut intermediate-sized strips and attempt to tuck them under back feathers before carrying them in their beak. What does this demonstrate about behavior? A) Behavior can be learned from parents. B) There is a genetic basis to behavior. C) Environment is important in forming behaviors. D) Lovebirds can be trained easily.