The element nitrogen has the atomic number 7 and an atomic mass of 14. How many neutrons does an atom of nitrogen contain?

The lagging strand is replicated with a series of okazaki fragments and that is why its synthesis is considered to be a. discontinuous. b. continuous. c. bidirectional. d. antiparallel. e. semiconservative.

The offspring between 2 black mice show the ratio of 3 black mice to 1 white mouse ... a) which trait is dominant? b) what must be the genotypes of the parents?

Organisms most often develop diseases when A. they receive vaccines and antibiotics. B. they establish a habitat. C. they are unable to maintain homeostasis.

What are the two main distinctions between the East Siberian greenish warbler and the West Siberian greenish warbler

Ecology is the study of the interaction of living organisms: A with each other and their habitat B and their communities C with each other and their physical environment D and the food they eat

What organelle has vesicles migrate to the cell membrane?

Does anybody have the answers to the whole test?

In levels of orginization within an organism what is the order of these words; element, compound, organelle, cell, tissue, organ organ system

Why is fresh water a limited resource? Groundwater is too difficult to access Most water covering Earth is salt water. The supply of water on Earth decreases over time. Too much water is wasted on irrigation

Which sentences describe the differences between photosynthesis and cellular respiration