Pits are large and allow movement of large molecules through tracheids.

true or false?

salt ions are smaller than bacteria

true or false?

A person who is considered anemic experiences a reduction of this blood component a. Decreased lymphocytes in white blood cells b. Decreased water in plasma c. Decreased clotting factor proteins in platelets d.

1. What causes variations in asexual organisms? 2. Do sexually reproducing species show greater variation than asexually reproducing species?

Explain complementary base pairing. which are purines and pyrimidines and who bonds to whom? how many hydrogen bonds form between them?

write any two functions of pavement epithelium. name the tissue that secretes hormones and digestive juice.

Where does the salt in oceans come from?

What is a reproductive strategy? O A. The way that a species hides from prey O B. The way a species produces offspring O C. The adaptations that an offspring passes on O D. The DNA that is passed onto an offspring

What are the three things needed for photosynthesis

What evolutionary feature would distinguish phytoplankton from zooplankton?

What kind of organisms make up a food web

In this experiment, why didn't we just use ethanol to extract the trimyristin (instead of dichloromethane) ? this would have saved us a step and we would have been able to recrystallize directly after filtration.