Which of these is a body fossil a. dinosaur nest b. shrimp burrow c. leaf imprint d. claw print

What are 3 characteristics of a nucleotide

Substances in food or supplements that destroy free radicals and slow their formation are

Which two words describe an organism that eats organisms as food

If you start with a single bacterium, capable of dividing every 20 minutes, how many bacteria would you have after just 4 hours

What is the function of chromosomes?

How do reflexes protect from injury

The female portion of the flower is the A. sepal. B. carpel. C. stamen. D. filament. Pretty sure it's B.

Brown eyes are dominant over blue eyes. If two brown eyed parents have a child with blue eyes, what does it mean about parent's genotype? • A. They must both be homozygous dominant. • B. One must be heterozygous. • °C. They must both be heterozygous.

The nurse asks a patient to say "ahh" while performing suctioning. what is the rationale behind this intervention?

Which scientist produced a photograph that made it clear that DNA has two strands?