What defines a lipid?
a. They are soluble in water.
b. They are insoluble in polar solvents such as water.
c. They are polymers.
d. They always have a multi-ringed structure.
b
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A mutation of a segmentation gene can result in all of the following EXCEPT
A. duplication of body parts B. missing body regions C. replacement of one body part with another D. altered expression of homeotic genes E. incorrect establishment of body axes
What is the best strategy for preserving biodiversity?
A) to depend on the Endangered Species Act to produce its intended consequences B) to prevent inbreeding in small populations C) to use genetic engineering to create new combinations of genes D) to prevent species from becoming endangered in the first place
List and describe two reasons that angiosperms show widespread adaptive success
What will be an ideal response?
What would be an easy way to determine if a skull is a mammal's skull?
A. Look for the remains of the tympanum. B. Examine the teeth. C. Measure the brain case volume. D. Look for air sacs in the skull.