Which of the following characteristics are not present in protozoans causing scientist bto exclude them fom kingdom Animala? A. Cell membrane

b. eukaryotic

c. nucleus

d. being muti-celled

Why do you suppose that there is a delay between the time of hiv infection and the appearance of symptoms (and aids) ?

How would you compare whether land or water heats faster

What happens to the atp molecule during cellular activities such as protein synthesis and muscle contraction?

On a roller coaster, when does the car have potential kinetic energy and when is energy transferred

Earth's magnetic field has had reversed polarity in the last 4 million years.

Compare and contrast an exothermic chemical reaction and an exothermic solution formation by dissociation

What creates the bond between the sodium and chlorine ions

Hag fish have a mostly cartilaginous skeleton. How do they get enough force to tear flesh from the grey whale carcass?

Are viruses alive? Support your answer using at least five of the emergent properties of life. Your answer should include the property of life, how a virus satisfies or does not satisfy that property (for each of the five properties), and your

3 benifits of gene sequencing