Scientists studying human genes could obtain DNA from a cell's

A. vacuole

B. ribosome

C. nucleus

D. cytoplasm

How many protons does oxygen (O) have? a) 2 b) 4 c) 8 d) 16 e) 32

How many weeks are there in a week

Why is it warmer at the equator than at the poles?

Which of the following would be considered a benefit of overpopulation A the increase in genetic variation of a population B the exponential growth of a population C the exchange of genetic material between populations D the change in an ecosystem

How is dna passed to new cells during cell division?

This is the only part of a dna/rna nucleotide that changes. it is found along with the 5-carbon sugar and the phosphate group.

The mineral particles found in the layers of a soil, including the topsoil and subsoil layers, were originally weathered from A. the soil's humus. B. organisms living in the soil. C. the soil's parent material. D. the soil's groundwater.

All ecosystems are affected by wildfires equally.

In order for an electrical message to be sent from the axon of one neuron to the dendrite of another neuron, it must transverse a space called the

Which object mos likely exerts the strongest gravitational pull on other objects