Mutation is an evolutionary mechanism.

a. True

b. False

Which of the following is not a function of fat in the human body? carries the water-soluble vitamins provides long-term energy storage cushions the internal organs from physical shock provides the major material from which cell membranes are made

Cellular division causes organisms to grow primarily by

Is it true that nitrogen bases are located in the central rugs of a DNA ladder

How are pollen and egg cells different than most other plant cells?

Which of the following is not a function of the circulatory system? a. Transporting respiratory gases b. Protecting against blood loss c. Regulating body temperature d. All are functions

Try to think of other things that are hybrids

How do energy conversions make a car go down the street? A. The stored energy of the gasoline is converted to heat, and then to the stored energy of the car. B.

Describe how a flu vaccine the human body?

Adults do not need foods from the dairy group, only growing children and athletes do.

The principle role for sugars in living things is to