19 recall dna and genes
warm-up
recall what you know about cell biology to complete the statements,
dna is located in the
of the cell
dna contains segments called
that code for a particular trait.
dna is made of
that form
done

How can active reading strategies you? o a. they can you get into better physical shape. o b. they can you read fewer science articles. o c. they can you understand what you read. o d. they can you avoid reading altogether.

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

The picture showed normal blood cells which are around and sickle cells which appear much longer people with sickle-cell suffer from the sickle cell anemia which is inherited diseaseit is caused by a change in gene responsible for production of hemo goblin this type of change is known as an