Which of the following discoveries would
NOT have called into question the idea that
species didn’t change and/or are unrelated?
a. fossils of whales with legs
b. dandelions are asexual plants that produce
non-functional pollen
c. all humans are 99% genetically the same
d. the DNA of humans and chimpanzees is
96-98% the same
e. more than one of these
C
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The thin delicate membrane just attached to the cytoplasm
a. Ectoplasm b. Endoplasm c. Tonoplast d. Protoplasm
Allergies occur when
A) too much complement is released into the blood. B) antibodies malfunction and attack "self" cells. C) mast cells release histamine in response to harmless substances. D) foreign MHC proteins trigger an immune response.
A new antibiotic is introduced that will destroy only organisms lacking a nuclear membrane. A dispute develops over its safety when used in people. What arguments would you use in this discussion?
What will be an ideal response?
Radioactive iodine is sometimes used to treat thyroid cancer. This is an example of the use of (isotopes/elements/radiation) in medical treatment.
Fill in the blank(s) with the appropriate word(s).