Which question MOST likely was asked FIRST to lead to the development of recombinant DNA technology? a) Can undifferentiated cells be used to repair parts of the body?

b) Can human genes be introduced into the cells of people with genetic disorders using a virus?

c) Can DNA be cut into fragments by restriction enzymes and then separate into unique patterns?

d) Can human genes be integrated into bacterial DNA so bacteria can copy the genes and produce their proteins?

Apuppy’s tendency to chew is inherited through which of the following? a. through learned behavior b.through genes c. through seasonal cycles d. through hibernation

Research question: why are the carrots that grew on the left side of the garden larger than the carrots that grew on the right side of the garden? which hypothesis is based on this research question? a comparison of people with gardens to people without gardens will show who is likely to live longer. b. carrots are thought to be good for your eyesight and should be eaten regularly. c. carrots that are provided lots of sunlight grow to a larger size than carrots grown in the shade. d. eating fresh vegetables every day is a healthy thing to do.

The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere