Please select the word from the list that best fits the definition

nitrogen in all its molecules
A. Proteins
B. Carbohydrates
C. Lipids

Astudent observes a star from two positions of earth in its orbit, in summer and winter, and measures the change in the position of the star. which of these can be best calculated by this method?

2points what is the term for a female reproductive cell? a. egg b. chromatid c. allele d. fertilization

How did the miller-urey experiment impact the way scientists think about the origins of life? use what you know about the miller-urey experiments to discuss the factors needed for life to arise, and speculate on whether life could arise on another planet.