By 1999, after the clean water act had been passed in 1970 the percentage of us surface waters safe for fishing ans swimming increased from 36 percent to

Pink fur (p) is dominant to purple fur (p) in hamsters. two heterozygous pink hamsters are crossed. what is the probability that these two parents will have an offspring with purple fur? 2/4, 1/2 or 50% 1/4 or 25% 3/4 or 75% 4/4 or 100% there is no chance for this type of offspring

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these

Which substance contains thylakoids? a) nadph b)atp c)stroma d)chloroplast