Who made the theory of evolution?

What word is definted as the separation of the genetic material of a cell into two completely identical sets, one for each of the daughter cells created during cell division? mitosis meiosis cytokinesis DNA synthesis

In one to three sentences, describe what happens during the carbon fixiation stage of the Calvin cycle?

Difference between carbon-12 and carbon-14

What do the guard cells do?

Carbon atoms in organic molecules most commonly

What do enzymes react with? A. the products of chemical reactions B. the active site of the plasma membrane C. proteins in the cytoplasm D. a specific substrate

Isaac watched a movie where a tsunami washed across the coastline. He related the incident to the geology of the ocean he learned at the school. Which geological phenomenon did Isaac relate to? A. plate tectonics B. upwelling C.

How do mutations affect an organism? A. they may cause the development of a disease-causing allele B. they may cause the development of a more beneficial allele C. they, in some cases, may have no noticeable affect D. all of the above

Scientists make two types of observations that can be either

Of the following muscle types, which has the longest muscle cells and has obvious stripes called striations? Of the following muscle types, which has the longest muscle cells and has obvious stripes called striations? a. cardiac muscle b.