According to Piaget’s theory, Juan, who is in the _____ stage of cognitive development, should be able to conduct a systematic scientific experiment.

A passive effect of genotype on environment occurs as a result of the

The finding that infants pay attention to the speaker’s intentions when interpreting the meaning of the speaker’s words supports the importance of _____ in language development.

Piaget viewed the child as a

86) The chemical bond connecting one nucleotide to the next along one strand of a DNA molecule is called a A) peptide bond.                                       B) phosphate bond. C) glycosidic bond.                                  D) phosphodiester bond.

41) A codon is composed of how many bases? A) three B) two C) four D) 64

74) You are working on a research project that involves a mutational analysis of the light harvesting complex Lhca1, which is an important light harvesting complex found in plants. Your lab-mate asks where this complex is located. You say: A) It is in the outer chloroplast membrane                    B) It is in the inner chloroplast membrane C) It is in the thylakoid membrane                                      D) It is in the stroma

Cultivation of corn over thousands of years has resulted in a modern corncob that looks very different from the tiny ancestral corncob. Does this support the concept of evolution? A) No; the change in corn was accidental and does not demonstrate the process of       evolution.B) Yes; the change in corn is an example of natural selection and demonstrates the process of evolution.C) No; artificial selection is driven by humans rather than natural selection and does not demonstrate what occurs in the wild.D) Yes; the change in corn is an example of artificial selection and demonstrates the process of evolution.

42) The Central Dogma of biology can be stated as A) proteins

Which of the following statements about evolution is true?    A) Evolution only results in the addition of traits to existing organisms.    B) Evolution only results in the loss of traits from existing organisms.    C) Evolution can result in the addition or loss of traits in existing organisms.    D) Evolution has nothing to do with the addition or loss of traits.