WorksheetsUnit 1 Test Review (Cellular Structures)
Total questions: 20
Worksheet time: 10mins
What is a function of nucleic acids?
Stores genetic information and helps make proteins
Speeds up chemical reactions
Stimulates metabolism
Activates hormone secretion
Carbohydrates store energy. Which other macromolecule also stores energy?
DNA
Protein
RNA
Lipid
Which macromolecule in animals helps with insulation and heat conservation?
Carbohydrates
Lipids
Proteins
Nucleic acids
Which biomolecule creates a hydrophobic layer in the cell membrane?
Carbohydrates
Lipids
Proteins
Nucleic acids
What is a function of carbohydrates?
Forms the cell wall
Insulation
Gene expression
Regulates enzymes
What do proteins do in the cell membrane?
Help move particles across the membrane
Receive signals from other cells
Code for cell membrane structures
Form a barrier between inside and outside of the cell
Which molecule helps move large materials across a membrane?
Carbohydrates
Lipids
Nucleic acids
Proteins
What type of biomolecule is starch?
Protein
Carbohydrate
Lipid
Enzyme
Which biomolecule is correctly matched with its function?
Enzyme: builds cell membrane
Cellulose: builds plant cell walls
Cholesterol: stores genetic info
Glucose: speeds up reactions
What type of biomolecule is lactose?
Carbohydrate
Lipid
Nucleic acid
Protein
What type of energy do carbohydrates and lipids provide?
Lipids give quick energy, carbohydrates store energy long-term.
Carbohydrates give quick energy, lipids store energy long-term.
Both give quick energy.
Both store energy long-term.
Which biomolecule should hibernating animals eat a lot of before winter?
Carbohydrates
Lipids
Nucleic acids
Proteins
What determines how proteins are made?
DNA provides the instructions for making proteins.
Enzymes control the order of protein assembly.
Hormones give information to adjust protein function.
Mitochondria absorb energy when making proteins.
Which biomolecule carries genetic information from the nucleus to ribosomes?
Carbohydrates
Lipids
Nucleic acids
Proteins
Which best compares eukaryotic and prokaryotic cells?
Eukaryotic cells have a nucleus and membrane-bound organelles; prokaryotic cells do not. Both have a cell membrane and ribosomes.
Both have a nucleus and mitochondria.
Prokaryotic cells have membrane-bound organelles; eukaryotic cells do not. Both lack ribosomes.
Eukaryotic cells lack a cell membrane; prokaryotic cells have one. Both have a nucleus.
Which structure is present in both eukaryotic and prokaryotic cells?
Mitochondrion
Nucleus
Chloroplast
Nucleic acid
Which structure is not found in prokaryotic cells?
DNA
Nuclear membrane
Phospholipid membrane
Cytoplasm
Which is true for eukaryotic cells but not prokaryotic cells?
Use mitochondria for energy
Nutrients and wastes cross a membrane
Have DNA as genetic material
Do metabolic processes with chemicals
What is a key feature of a prokaryotic cell?
Cellular respiration method
Cell membrane type
No membrane-bound nucleus
Movement method
Most viruses have —
a cell wall
a capsid shell made of lipids
flagella
a capsid around nucleic acid
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