Which part of the ear is infected during ear infections?

A. The outer ear

B. The whole war

C. The inner ear

D. The middle ear

Explain the difference between using dna profiles to determine paternity and to match a tissue sample with a suspect

Right handedness (R) is dominant over left handedness (r). The ability to roll your tongue (T) is dominant over the inability to roll your tongue (t).

5. The measurement of the amount of friction a surface will generate is called the of friction'.

The energy source for sperm to swim comes from: a. fructose sugar in the surrounding seminal fluids added by the seminal vesicles. b. stored sugar molecules in the sperm head. c. protein breakdown by mitochondria in the mid-piece of the sperm. d.

Describe the two most important events in the history of animal life that occurred at the beginning and at the end of the Paleozoic era. (2 pts) List and briefly outline the six different periods into which the Paleozoic era is divided. (6 pts)

Describe how scientists use mathematics in their work.

You are preparing a medium for growing fastidious bacteria and must add several heat-labile solutions of growth factors. Which of the following is an appropriate strategy for preparing and sterilizing this medium? a. Pasteurize the medium. b.

What does Earth's rotation on its axis cause? A the tides B night and day C passing of years D phases of the moon

What are two things that a leaf does for a plant

The protostome developmental sequence arose just once in evolutionary history, resulting in two main subgroups-Lophotrochozoa and Ecdysozoa. What does this finding suggest?