Biology Quiz
Biology Mastery Quiz
Test your knowledge on key concepts in biology with our engaging quiz designed for students and biology enthusiasts alike! Dive into topics such as macromolecules, cellular structures, and molecular biology.
- Learn about the basics of mass numbers and molecular bonds
- Discover the differences between carbohydrates, lipids, proteins, and nucleic acids
- Challenge yourself with questions on amino acids and nitrogenous bases
What is mass number?
Number of protons
Number of neutrons+protons
Number of protons+electrons
Sum of all particles
Which atom is not found in bio macromolecules?
Oxygen
Sulfur
Nitrogen
Sodium
What causes hydrogen bond?
Different electronegativity
Hydrogen covalently bonded to carbon
Chlorine steals electron
Oxygen shares electron with hydrogen
A positively charged ion is a:
Anion
Cation
A polar molecule is hydrophobic
True
False
What macromolecule is not a polymer?
Carbohydrates
Proteins
Nucleic acids
Lipids
What functional group is acidic?
Carboxyl
Sulfhydryl
Methyl
Amino
A ketose is a sugar with a carbonyl group at the end
True
False
A fatty acid has a:
Phosphate
Carbonyl
Carboxyl
Which part of a phospholipid is hydrophillic
Head
Tail
What type of lipid can have a bend in its chain?
Natural saturated fat
Trans fat
Cis fat
Synthetic unsaturated fat
What is an example of a ketohexose sugar?
Sucrose
Glucose
Galactose
Fructose
What is NOT a steroid?
Glycogen
Testosterone
Cholesterol
Estrogen
What AMINO ACID has a side chain that can form a disulfide bond?
Thymine
Cytosine
Cysteine
Sulfhydryl
Which carbon in a nucleotide is responsible for bonding with other nucleotides?
1
2
3
5
Which carbohydrate is most branched?
Starch
Glycogen
Cellulose
Lipids store energy more long term than carbohydrates
True
False
Which nitrogenous base is NOT a pyrimidine?
Cytosine
Adenosine
Thymine
Uracil
Beta glycosidic bonds are more rigid than alpha bonds
True
False
Who discovered cells in plants?
Schleiden
Schwann
Van Der Waals
Virchow
Branches in starch and glycogen are made of:
Alpha 1,4 bonds
Beta 1,6 bonds
Alpha 1,6 bonds
Beta 1,4 bonds
What is secondary protein structure?
Sequence of amino acids
Local bends (helix, pleated)
3-dimensional structure
Multiple polypeptides
Carbon 2' of a pentose sugar is bonded to only a hydrogen. It is:
Ribose
Deoxyribose
A nitrogenous base has two rings. It is a:
Purine
Pyrimidine
What is the 5' end of a nucleic acid?
Hydroxyl
Carbonyl
Phosphate
Nitrogenous base
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