The formation of new organisms is what

What does miller and urey's experiment apply to mars?

You examine a cell line in which Ras is always activated even in the absence of a signaling molecule. This causes constant activation of the kinases in the MAP kinase pathway.

There are no personal judgments involved in normative analysis. a. True b. False

Cardiac muscle cells always have two nuclei true or false?

Since no form of radiation can ever get out of a black hole, how can astronomers detect where black holes are

Which of these are physical changes in matter

Fundamental differences in the cell, the basic unit of life, allow for the broadest classification of all living organisms into three domains: Bacteria, Archaea, and Eukarya.

What is the difference between discharge zone and recharged zone

One trait a plant can have is either red leaves (R) or brown leaves (r). Another trait is tall stems (T) or short stems (t). A plant used in a dihybrid cross has the genotype RrTt. What is the phenotype of this plant?

jill has a beaker. in this beaker there are two layers. the top layer is transparent with yellow tint to it, and the bottom layer is transparent and clear. jill decides that the bottom layer is probably water.