Which of the following was used in the 1940s to analyze amino acids that make up proteins? a. genetic engineering. b. chromatography. c. radioactive tracers. d. x-ray diffraction

The mixture of sperm and fluids from the seminal vesicles, prostate gland, and cowper's glands is called

The pie chart tracks the percentage of renewable energy that's being used in a particular community near the ocean. what are two advantages of using this type of graph for this particular data set?

In cattle a single gene with two alleles determines fur color the fur can be red white or roan roan fur has both red and white hair which of the following statements is true a the allele for roan fur color is dominant over red and white fur color b the allele for red fur color is dominant over white and roan fur color c the roan and white alleles are expressed independently of the other d the red and white alleles are expressed independently of each other