ATI RN
Cells and Tissues Questions and Answers Questions
Question 1 of 5
What subatomic particle(s) determine(s) the chemical properties of an atom?
Correct Answer: C
Rationale: Electrons in the outer shell determine chemical reactivity and bonding behavior.
Question 2 of 5
A chemical substance that releases ions in water is a(an)
Correct Answer: A
Rationale: Electrolytes dissociate into ions in water, conducting electricity.
Question 3 of 5
The storage form of glucose in plants is:
Correct Answer: B
Rationale: Starch is the plant polysaccharide for glucose storage.
Question 4 of 5
How many different amino acids can be used to make human proteins?
Correct Answer: C
Rationale: 20 standard amino acids are encoded by the genetic code for human proteins.
Question 5 of 5
The shape of the DNA molecule is described as a
Correct Answer: A
Rationale: DNA's double helix structure was described by Watson and Crick.