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

Biology & Microbiology

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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.

Biology & Microbiology

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

Biology & Microbiology

In what way are bacteria and fungi similar?

A. Cell wall components B. Ribosome structure C. Design of the nucleus D. Ecological function

Biology & Microbiology

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

Biology & Microbiology