BCOR 360 FINAL EXAM AND PRACTICE EXAM QUESTIONS 2025 TEST BANK COMPLETE EXAM QUESTIONS WITH DETAILED VERIFIED ANSWERS (100% CORRECT ANSWERS) /ALREADY GRADED A+

BCOR 360 FINAL EXAM AND PRACTICE EXAM QUESTIONS 2025 TEST BANK COMPLETE
EXAM QUESTIONS WITH DETAILED VERIFIED ANSWERS (100% CORRECT ANSWERS)
/ALREADY GRADED A+

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Question: All cells in a multicellular organism

A. contain the same genome

B. have the same function

C. express the same parts of the genes at the same time

D. form the same set of proteins

E. randomly express parts of the genome - (ANSWER)Answer: A



Question: In the scientific method, a hypothesis

A. is a final answer to a question

B. is formulated by deductive logic

C. does not have to be testable

D. is the basis for making predictions

E. is formulated solely by speculation - (ANSWER)Answer: E



Question: Which structure(s) is/are necessary in the forming of a cell?

A. nucleus

B. organelles

C. membrane

D. chloroplasts

E. mitochondria - (ANSWER)Answer: C



Question: Nitrogen (N) is much more electronegative than hydrogen (H). Which of the following
statements is correct about the atoms in ammonia (NH3)?

A. Each hydrogen atom has a partial positive charge; the nitrogen atom has a partial negative charge

,BCOR 360 FINAL EXAM AND PRACTICE EXAM QUESTIONS 2025 TEST BANK COMPLETE
EXAM QUESTIONS WITH DETAILED VERIFIED ANSWERS (100% CORRECT ANSWERS)
/ALREADY GRADED A+

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B. Each hydrogen atom has a partial negative charge; the nitrogen atom has a partial positive charge.

C. The nitrogen atom has a positive charge; each hydrogen atom has a negative charge.

D. The nitrogen atom has a negative charge; each hydrogen atom has a positive charge.

E. There are only non-polar covalent bonds formed - (ANSWER)Answer: A



Question: Which element requires two additional electrons to fill the outermost electron shell?

A. Phosphorus

B. Carbon

C. Nitrogen

D. Oxygen

E. Hydrogen - (ANSWER)Answer: D



Question: Which six elements provide most of the mass of the human body?

A. C, O, Na, H, P, S

B. C, O, N, H, P, S

C. K, O, N, H, P, C

D. C, O, N, H, F, Mg

E. C, O, N, H, P, Mg - (ANSWER)Answer: B



Question: A single covalent chemical bond represents the sharing of how many pairs of electrons?

A. one

B. two

C. three

,BCOR 360 FINAL EXAM AND PRACTICE EXAM QUESTIONS 2025 TEST BANK COMPLETE
EXAM QUESTIONS WITH DETAILED VERIFIED ANSWERS (100% CORRECT ANSWERS)
/ALREADY GRADED A+

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D. four

E. six - (ANSWER)Answer: A



Question: What determines if a molecule is polar, nonpolar, or ionic?

A. The number of protons

B. The bond distances

C. The differences in electronegativities of the atoms

D. The ionic charges

E. The distance of the electrons from the nucleus - (ANSWER)Answer: C



Question: Molecules containing a large number of hydroxyl functional groups are

A. basic

B. structurally less stable than those with fewer hydroxyls

C. complex macromolecules

D. the ionic charges

E. the distance of the electrons from the nucleus - (ANSWER)Answer: A



Question: Why does ice float in liquid water?

A. The high surface tension of liquid water keeps the ice on top

B. The ionic bonds between the molecules in ice prevent the ice from sinking

C. Ice always has air bubbles and that keeps it afloat

D. Hydrogen bonds stabilize and keep the molecules of ice farther apart than the water molecules of
liquid water

E. The crystalline lattice of ice causes it to be denser than liquid water - (ANSWER)Answer: A

, BCOR 360 FINAL EXAM AND PRACTICE EXAM QUESTIONS 2025 TEST BANK COMPLETE
EXAM QUESTIONS WITH DETAILED VERIFIED ANSWERS (100% CORRECT ANSWERS)
/ALREADY GRADED A+

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Question: Molecules that are both attracted to water and repel water are called

A. hydrophilic

B. hydrophobic

C. amphipathic

D. amphoric

E. glycosidic - (ANSWER)Answer: C



Question: The pH of a solution increases from pH 5 to pH 7. That means the concentration of [H+].

A. doubles

B. quadruples

C. decreases 10x

D. decreases 100x

E. increases 20x - (ANSWER)Answer: D



Question: Which statement about hydrogen bonds is true?

A. They from between two hydrogen atoms

B. They from only between hydrogen and oxygen atoms within a molecule

C. They form between highly electronegative atoms of one molecule and hydrogen of another

D. They involve the transfer of electrons

E. They are the strongest bonds because of their length - (ANSWER)Answer: C



Question: Which statement about condensation (=dehydration) reactions is false?