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WorksheetsBiochemistry week 2
Total questions: 20
Worksheet time: 10mins
Which of the following bonds allows electrons to flow freely?
Covalent
Ionic
Metallic
Disulfide
What units of measure are bond typically measured in?
Angstrom
MicroM
NanoM
CentiM
What is the length of a C-C bond?
1,99A
1.54A
5.14A
5.41A
Which bond occurs between a cation and an anion?
Metallic
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Ionic
Covalent
Hydrogen bonds may occur between H, and three other elements..... Which is the odd one out?
Oxygen
Flourine
Nitrogen
Cesium
Which of the following statements is correct regarding inter- and intra molecular bonds ?
Intra forces are between the same molecule but inter forces are between two molecules.
Inter forces are between the same molecule but Intra forces are between two molecules.
In a water molecule - Which part is sigma positive?
Hydrogen
Oxygen
All of it
None of it
Which definition best describes a Van der Waals force?
Electrostatic attraction
Electrostatic repulsion
Electrostatic attraction or repulsion
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An unequal sharing of electrons is called a ..............
dipole-dipole
diaper-diaper
lattice reaction
someone be greedy
How are ions formed?
adding electrons
removing electrons
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adding or removing of electrons
Dipole-Dipole forces typically range from .....
1-5 KJ
5-10 KJ
5-20 KJ
5-50 KJ
Dipole-Dipole forces are .........
Weaker than ionic and covalent bonds
Stronger than ionic and covalent bonds
What is connected to ADP to form ATP
Organic Phosphate
Ions
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Inorganic Phosphate
Coloumbs law......... Which one is correct?
E = Kq1 x q2 x Rd
E = Kq1 x q2 /Dr
How many essential amino acids are there in the body?
10
20
30
40
On the periodic table, what is the 6th noble gas?
Neon
Argon
Krypton
Radon
What element has the atomic number 23?
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Carbon
Vanadium
Titanium
Amino acids are stuck together to form a polypeptide chain..... But at the expense of what?
H2O
Na
Ca
Sugar
All amino acids have.........
a nucleus
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an alpha calcium
an alpha carbon
on a scale of 1-10... How would you gauge your experience of uni so far (10= excellent ,, 1= shocking
1-2
3-5
6-8
9-10
It is mixed depending on different things
