The type of chemical bond that connects the sugars and phosphates together in a DNA molecule is a
_______________ bond. Fill in the blank(s) with the appropriate word(s).
ANS: covalent
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If cancer cells invade the muscles under the breast tissue a patient will most likely need to undergo ________
a. a mastectomy b. isotope tracing c. radiation d. chemotherapy e. None of these choices.
Which of the following can serve as an energy source and as structure support in plant cells?
A. proteins B. carbohydrates C. lipids D. Nucleic acids
If a liver cell were to be placed in a beaker with a solution containing the same solute concentration as that found inside the cell, we would say that the beaker contained a(n) ________ solution
A) isotonic B) hypotonic C) heterotonic D) hypertonic
In what way are bacteria and fungi similar?
A. Cell wall components B. Ribosome structure C. Design of the nucleus D. Ecological function