Which of these is an example of a chemical change?

A. Setting a piece of paper on fire

O

O

B. Melting iron into a liquid

C. Dissolving salt in water

O

O

D. Breaking a piece of plastic in half

Inheriting certain genes may increase the probability of getting the disease. Which diseases can be inherited? Check all the apply. diabetes sickle-cell anemia respiratory infections color blindness strep throat

How is a final mrna that lacks introns produced in eukaryotic cells?

How have some living things adapted to their eco system

Frogs are insect eater. How is it adapted for eating this type of food?

Describe the DNA makeup of a human zygote

Which of the following show population variation? Bacteria becomes resistant to penicillin. Galapagos Island finches have different sized beaks depending on which island they are on because of the different kind of seeds available to eat on each

At what pint in the cell cycle do cells begin to divide uncontrollably

Is produced along with water at the end of normal cellular respiration?

Stimulation of a cell by a molecule that the cell itself makes is called stimulation

From the producer level to which level does energy flow directly? A. decomposer B. tertiary consumer C. secondary consumer D. primary consumer