Fossil records and DNA both provide evidence for... E

What carries blood away from the heart?

Systolic pressure is...

Diastolic pressure is...

DNA is made from what four different bases?

In what particular ways can the bases for the DNA be paired up?

A gene is..

Why do we need proteins?

How does DNA Replication work? (simply)

Two things that affect enzymes:

Define respiration

Aerobic Respiration is when

Anaerobic Respiration is...