Minerals differ from nutrients because minerals __________
a. do not contain carbon
b. are organic
c. are only required in small quantities
d. are essential to the diet
A
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Discuss the concept and consequences of built-in redundancy as it applies to amino acid sequences, and include an example
What will be an ideal response?
Which of the following is a true statement? a. In Japan, people over age 65 make up 10% of the population
b. None of the choices. c. In the United States, projections show that people over the age of 65 will reach 20% of the population by 2030. d. Having a high percentage of people over 65 is good for the economy because older people consume fewer resources.
Which of the following statements concerning the characteristics of life is FALSE?
A) Reproduction is defined as an increase in the size of an organism. B) Viruses have some, but not all, of the characteristics of living things. C) Organisms may not exhibit all of the characteristics of life at all times. D) Reproduction can occur asexually or sexually in living things. E) Living things store metabolic energy in the form of chemicals such as ATP.
In humans, "unattached" earlobes are dominant over "attached" earlobes. Widow's-peak hairline is dominant over non-widow's-peak hairline. Use E and e for the earlobe phenotype alleles and W and w for the hairline phenotype alleles. A woman with
unattached earlobes and a widow's peak and a man with attached earlobes and a widow's peak have a child. The child has attached earlobes and a non-widow's-peak hairline. What are the genotypes of the parents? A) EeWw and eeWw B) EeWw and EeWW C) EEWW and eeww D) EEWW and eeWw E) EeWw and eeww