What are trans fats?
a. hydrogenated vegetable oils that have been identified with health risks
b. fats made from cholesterol that are components of plaques in the walls of blood vessels.
c. fats that are derived from animal sources and are associated with cardiovascular disease
d. fats that contain trans double bonds and may contribute to atherosclerosis
e. polyunsaturated fats produced by removing H from fatty acids and forming cis double bonds
Ans: d. fats that contain trans double bonds and may contribute to atherosclerosis
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Choose the true statements about the evolution of larval dispersal in marine snails.
A. Cladistics shows that there are more instances of the transition from dispersing to non-dispersing larvae than the reverse. B. Loss of structures in the transition from dispersing to non-dispersing may inhibit evolutionary reversal. C. Possession of dispersing larvae is the ancestral state in snails. D. The evolution of non-dispersing snails is likely to hinder speciation. E. Clades of non-dispersing snails are less species rich than those of dispersing snails.
Describe the structure and function of the DNA molecule.
What will be an ideal response?
Latex or resin canals evolved independently in more than 40 different lineages of plants
A. true B. false
The transmission of genetic characteristics from parent to offspring is called?
What will be an ideal response?