Biological Macromolecules and Cellular Interactions Quiz

Test your knowledge on biological macromolecules, cellular transport, organelles, and more in this biochemistry quiz.

#1

Which of the following is a biological macromolecule responsible for storing genetic information?

Protein
Carbohydrate
Lipid
Nucleic acid
#2

Which of the following is a polysaccharide commonly found in plant cell walls?

Starch
Glycogen
Cellulose
Chitin
#3

What is the function of transfer RNA (tRNA) in the process of translation?

Carrying amino acids to the ribosome
Reading the genetic code in the nucleus
Forming peptide bonds between amino acids
Initiating transcription
#4

Which of the following is a characteristic feature of eukaryotic cells but not prokaryotic cells?

Nucleus
Cell wall
Plasma membrane
Ribosomes
#5

What is the primary function of RNA interference (RNAi) in cellular processes?

DNA replication
Gene silencing
Protein synthesis
Cell division
#6

What is the primary function of enzymes in cellular interactions?

Structural support
Energy storage
Catalyzing chemical reactions
Cellular communication
#7

Which type of cellular transport requires energy input to move substances against their concentration gradient?

Diffusion
Facilitated diffusion
Active transport
Osmosis
#8

What is the role of ribosomes in cellular processes?

Energy production
Protein synthesis
Lipid metabolism
Cell division
#9

In which cellular organelle does photosynthesis occur in plant cells?

Mitochondrion
Chloroplast
Nucleus
Endoplasmic reticulum
#10

Which type of biomolecule is insulin, a hormone that regulates blood sugar levels?

Protein
Carbohydrate
Lipid
Nucleic acid
#11

What is the main structural component of the cell membrane?

Protein
Carbohydrate
Lipid
Nucleic acid
#12

During cellular respiration, which organelle is responsible for producing ATP?

Nucleus
Mitochondrion
Endoplasmic reticulum
Golgi apparatus
#13

What is the primary function of the smooth endoplasmic reticulum in a cell?

Protein synthesis
Lipid synthesis
Ribosome assembly
DNA replication
#14

Which cellular structure is responsible for maintaining cell shape, providing structural support, and facilitating cell movement?

Cytoskeleton
Centrosome
Nucleolus
Vacuole
#15

In cellular communication, which type of signaling involves signaling molecules acting on nearby target cells?

Autocrine signaling
Paracrine signaling
Endocrine signaling
Intracrine signaling

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