Which of the following could be a nucleotide of dna? deoxyribose + phosphate group + thymine deoxyribose + phosphate group + uracil ribose + phosphate group + thymine ribose + phosphate group + uracil

The serengeti plains are part of the african savanna ecosystem and are home to a variety of different species of plants and animals. the serengeti plains experience a seven-month period of seasonal drought each year, during which the ecosystem receives only four inches of rain and the availability of some resources becomes very scarce. which type of limiting factors does the seasonal drought in the serengeti plains affect?

Bones function as levers for the muscles to provide movement of the body. what refers to increasing the angle of the joint, thus moving two bones farther apart? a) abduction b) adduction c) extension d) flexion

The higher the proportion of loci that are "fixed" in a population, the lower is that population's a) nucleotide variability.b) average heterozygosity.c) diploidy.d) a and b e) a, b, and c