Which of the following is NOT a difference between RNA & DNA? A) RNA is a single

Question

Which of the following is NOT a difference between RNA & DNA? A) RNA is a single stranded while DNA is double stranded B) Their sugar bases differ by one oxygen atom C) RNA contains Thymine while DNA contains Uracil D) All of the above are correct differences Which of the following is a TRUE statement regarding scientific theories? A) 1. 2. Scientific theories represent speculation or educated guesses about the natural world B) A scientific theory is less reliable than a hypothesis C) A scientific theory will never be changed D) Scientific theories are hypotheses that have been so strongly supported by empirical observation that the scientific community views them as very unlikely to be altered by new evidences. Phospholipids are unusual yet important to cell membrane structure because they: A) Are part of DNA B) Contain nucleic acids C) Have a polar end and a nonpolar end D) Are found only in animals E) Are an important energy carrier molecule Which is the correct sequence of increasing organization? A) Molecule, cell, organelle, orgarn B) Organelle, tissue, cell, organ C) Atom, molecule, tissue, cell D) Cell, tissue, organ, organ system Molecules or compounds may be formed by different type of bonds below. Which of the following is LEAST likely to cause it to interact with water? A) Nonpolar covalent bond B) Polar covalent bond C) lonic bond D) Hydrogen bond 3. 4. 5. IF

Explanation / Answer

5Solutions:

1) Option C

2) Option B

3) Option A,B,C,D,E

4) Option D

5) Option D

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