You have digested a piece of DNA with the restriction enzyme EcoR1 and obtained 2 fragments, one 300bp and the other 600bp. After running the fragments on a gel electrophoresis, you would expect the 300bp fragment

there really is life in the deepest part

answer: although many types of viruses can cause a common cold, rhinoviruses are the most common culprit. a cold virus enters your body through your mouth, eyes or nose. the virus can spread through droplets in the air when someone who is sick coughs, sneezes or talks. theres your answer

explanation:

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above