One way that enables blood in your leg veins to return to the heart in spite of the downward pull of gravity

How are concussions related to biology

Which type of rock can turn into an igneous rock

When rocks are broken down by heat and pressure, chemically weathering has taken place

A mutation results in an organism that lacks the ability to make one amino acid. what is true of this organism? a. the organism's ability to RNA has been changed b. a gene has undergone a change in the organisms DNA c.

The scientist finds fossilized remains of other species in the same rock layer as the trilobite. What can the scientist conclude about these other fossils? A. The organisms that formed them must have evolved from trilobites. B.

Jesse finds a burned-looking rock outside near a small crater. What has she most likely found? a comet an asteroid a meteor a meteorite

2 ways seeds can be carried by animals

Without adding specific regulatory proteins, how might you stimulate transcription from the gene of interest relative to the transcription of the other genes on your DNA template?

Which process copies from DNA onto mRNA

State two proteins in blood which are responsible for determine the blood group of a person