Which organic polymer consists of two or more monomers of simple sugars such as glucose?
a. Lipids
b. Proteins
c. nucleic acids
d. complex carbohydrates
e. nucleic acids and complex carbohydrates
D
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Which of the following was NOT a consideration for Constantine in moving the capital of the Roman Empire from Rome to Constantinople?
A) The new capital had an excellent harbor B) Building a new capital allowed Constantine to send the message that his was a new era for the Roman Empire C) The new capital was close to the Danube frontier, a trouble area that required the emperor's attention D) Constantine received a vision from God, advising him to build a new capital
Which of the following is a function of unsaturated fatty acids in membranes?
A) They give the interior of the membrane liquid-like structure. B) They provide a site for chemical reactions to occur. C) both a and b D) neither a nor b
Which of the following statements is true?
A) In light atoms there are generally many more protons than neutrons. B) In light atoms there are generally many more neutrons than protons. C) In light atoms the number of protons and neutrons are nearly equal. D) Most naturally occurring isotopes of light atoms are radioactive.
High tides are higher than average and low tides are lower than average when
A. it is a new moon. B. it is a full moon. C. the Moon and the Sun are aligned relative to the Earth. D. All of these choices are correct.