Biology 100 Quiz 2 Questions and
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. _____ make up the nucleus of an atom, whereas _____ surround the
nucleus.
Ans: Protons and neutrons; electrons
Which of the following are most likely to dissolve in olive oil?
Ans: a nonpolar molecule
When an atom loses an electron, what happens?
Ans: It becomes positively charged.
In terms of bond strength, which of the following is the weakest?
Ans: hydrogen
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Glucose (a monosaccharide) has the molecular formula C6 H12 O6.
How many carbon atoms are in each glucose molecule?
Ans: 6
How are lipids unique when compared to other macromolecule
groups?
Ans: Lipids do not contain monomers and they are comprised of
compounds
The bond between the oxygen atom and a hydrogen atom in a
water molecule is a(n) ___________ bond)
Ans: covalent
A cell is unable to take up or make sugars. Which molecules will it be
unable to take up or make?
Ans: carbohydrates and nucleic acids