Each rung of the DNA ladder
A) is made up of thousands of chromosomes.
B) contains 20,000 genes.
C) consists of a pair of chemical substances called bases.
D) contains 23 matching pairs.
Answer: C
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In Nisbett and Wilson's (1977) studies on consumers' awareness of purchasing decisions, ____
a. people were able to articulate accurately that they made their choice based on product color or softness b. people made choices based on the product softness or color, but thought they made the choice based on when they saw the product c. people made choices based on whether they saw the product last, but thought they made the choice based on product color or softness d. people were able to articulate accurately that they made their choice based on when they saw the product
All of the following are accurate statements regarding random assignment EXCEPT __________
a) it is a procedure for assigning people to experimental and control groups b) it is a procedure in which each participant has the same possibility of being assigned to a given group c) it is a procedure in which paticipants are assigned to a positive correlation or a negative correlation condition d) it is a procedure that allows individual characteristics to be roughly balanced between groups
A healthy 75-year-old brain has just as many neurons as it did when it was a healthy 25-year-old brain
Indicate whether this statement is true or false
Chromosomes are composed of complex molecules of __________.
A. nucleotides B. genes C. DNA D. RNA