Which macromolecules contain a phosphate, sugar and a nitrogenous base?

Chromosomes are duplicated during _____.

 Evergreens are more advantageous in the tiaga due to the fact that they retain their leaves all year round. In this manner, they are able to photosynthesize immediately when the temperature gets above freezing.

You are the lucky student of a wacky professor who develops a time machine and he asks if you will test it with him. You get in and there’s an immediate glitch. The read out indicates that  you have traveled back 80 million years ago, and are now stuck in the Mesozoic era.  Which of the following would you most likely see when you step out of your time machine?

 Evergreens are more advantageous in the tiaga due to the fact that they retain their leaves all year round. In this manner, they are able to photosynthesize immediately when the temperature gets above freezing.

What is the process by which DNA codes for a messenger RNA (mRNA)?

Nearly all mushrooms are made up of this group of fungi.

Which evidence supports the endosymbiotic hypothesis for the origin of the mitochondrion?

Which evidence supports the endosymbiotic hypothesis for the origin of the mitochondrion?

You find a green organism in a pond near your house and believe it is a plant, not an alga.  Which line of evidence would definitively support your hypothesis?