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BIO201 MH V3 TOPIC 2
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BIO201 MH V3 TOPIC 2
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My Moodle (https://moodle.straighterline.com/my/) ► / My courses ►/ BIO201_MH_V3 (https://moodle.straighterline.com/course/view.php?id=382) ►
/ Topic 2: Chemistry for Anatomy and Physiology Students
(https://moodle.straighterline.com/course/view.php?id=382§ion=3) ►
/ Topic 2 Graded Quiz (https://moodle.straighterline.com/mod/quiz/view.php?id=58832)
Grade 31.50 out of 35.00 (90%)
Question Hydrogen bonds are important for all of the following except:
1
Incorrect Select one:
a. producing surface tension in water
0.00 points out
of 1.75 b. helping hold a protein structure together
c. helping hold DNA strands together
d. helping atoms give up or receive electrons
The correct answer is: helping atoms give up or receive electrons
Question In an x-ray film of the skeletal system, the dense tissue areas appear because
2 they the x-rays; and the less dense tissues appear because they
Correct the x-rays.
1.75 points out
Select one:
of 1.75
a. light, absorb; dark, do not absorb
b. dark, absorb; light, do not absorb
c. light, do not absorb; dark, aborb
d. dark, do not absorb; light, do absorb
The correct answer is: light, absorb; dark, do not absorb
, Question The smallest particle of an element that still exhibits the chemical characteristics of that
3 element is a(n)
Correct
Select one:
1.75 points out
a. electron.
of 1.75
b. atom.
c. chemical bond.
d. orbital.
e. proton.
The correct answer is: atom.
Question The hydrogen and oxygen atoms in a molecule of water are held together by
4
Select one:
Correct
a. ionic bonds.
1.75 points out
of 1.75
b. peptide bonds.
c. savings bonds.
d. polar covalent bonds.
e. nonpolar bonds.
The correct answer is: polar covalent bonds.
Question A neutral atom contains
5
Select one:
Correct
a. more protons than electrons.
1.75 points out
of 1.75
b. more electrons than protons.
c. the same number of electrons and protons.
d. only neutrons.
e. None of these choices is correct.
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