Select all of the following that are components of DNA.A) a deoxyribose sugarB) a phosphate groupC) the nitrogenous bases, thymine, adenine, cytosine, and guanineD) ribose sugarE) two carbohydrate rings with hydroxide groups attached
What will be an ideal response?
A, B, C
Ribose sugar is found in RNA, not DNA. DNA does not have carbohydrate rings attached.
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What can happen to glucose that enters the body during the absorptive state? Check all that apply.
_____ It can be used immediately as fuel. _____ It can be stored as glycogen in the liver. _____ It can be stored as glycogen in the muscles. _____ It can be converted to a triglyceride and then stored in fat cells. _____ It can be converted into the hard extracellular matrix of bone.
Which of the following is true about stem cells?
a. All stems cells can develop into any other type of cell. b. Stem cells are unspecialized cells. c. Stem cells are undifferentiated cells derived from embryonic cells. d. Stems cells undergo meiosis to repair damaged tissue.
The white-footed mouse, deer, and deer ticks are important to maintaining the zoonotic transmission cycle associated with ________.
A. babesiosis B. Q fever C. Lyme disease D. Rocky Mountain spotted fever E. plague
If a cell has a normal osmotic pressure of 4500 mmHg and is placed into a solution with an osmotic pressure of 3500 mmHg, what will happen to the cell?
A. The cell will lose water and its osmotic pressure will decrease. B. The cell will gain water and its osmotic pressure will decrease. C. The cell will lose water and its osmotic pressure will increase. D. The cell will gain water and its osmotic pressure will increase.