Unit 1 Biochemistry
Authored by Casey Woods
Biology
10th Grade
NGSS covered
Used 102+ times
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50 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
All major macromolecules are assembled by chains of subunits called monomers. No matter what the polymer, the monomers are linked using the same type of chemical reactions. Which statement best describes the dehydration reaction?
When monomer A is joined to monomer B, a hydration shell is formed around them.
When monomer A is joined to monomer B, a molecule of water is added between the two monomers
When monomer A is joined to monomer B, a molecule of water is released.
When monomer A is joined to monomer B, a chain of water molecules holds them together.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Each type of macromolecule contains a particular monomer. Which macromolecule below is INCORRECTLY matched with its monomer?
lipids...glycogen
carbohydrate...monosaccharide
nucleic acid...nucleotide
protein...amino acid
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Water has specific cohesive properties due to
being composed of two hydrogen atoms held to an oxygen atom by ionic bonds.
hydrogen bonding between water molecules.
the attraction between water and other polar substances.
the fact that water is a good solvent.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What reaction is this?
hydrolysis
enzymatic
ionization
dehydration
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsaturated fats differ from saturated fats by their fatty acid tails containing which of the following items?
Single bonds
double bonds
cholesterol
phosphate groups
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is this chemical reaction?
dehydration
hydrolysis
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which molecular interaction is the strongest?
hydrogen bond
ionic bond
covalent bond
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