Approximately _____ of the average persons life expectancy is determined by their genes.
1.20 to 30
2.10 to 15
3.40 to 50
4.70 to 80
Question 2
How can you tell whether a fat contains primarily saturated or unsaturated fatty acids?
a. All plant oils are unsaturated because they are liquid at room temperature.
b. Solid fats that melt at a high temperature are unsaturated.
c. Oils that remain liquid at room temperature are primarily unsaturated.
d. Beef fat is considered unsaturated because cattle eat only plant foods.
e. All fat that is solid at low temperatures is unsaturated.
The web of life
The complete life cycle of a trematode.
Functional MRI Scans These scans of human brains show localized average increases in neural activity
Change in Emotional States During Adolescence Average emotional state becomes teadilyi more negativ
The life cycle of Dictyostelium
The fates of duplicate genes