How are human fossils classified into species?
A) by differences in DNA
B) by differences in diet
C) by differences in skin color
D) by differences in the skeleton
D
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Summarize two pathways to colon cancer
What will be an ideal response?
The yolk, which is a component of many animal eggs, contains a mixture of____
a. individual amino acids and nucleic acids b. proteins and lipids c. proteins and carbohydrates d. nucleic acids and proteins e. lipids and nucleic acids
This technique has thousands of DNA sequences on a slide and is used to determine which are active at the time
A) microarray B) PCR C) recombinant DNA D) translation
Which one of the following hormone pairs is antagonistic, in that they have opposing effects?
A) estrogen, progesterone B) epinephrine, norepinephrine C) glucagon, insulin D) oxytocin, prolactin E) thyroxine (T4 ) and triiodothyronine (T3 )