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Biology Quiz

An intricate illustration of various biological molecules, including proteins, carbohydrates, and lipids, set against a vibrant, educational backdrop that evokes a sense of scientific discovery.

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

25 Questions6 MinutesCreated by ThinkingCell82

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?

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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