EOC Biology Practice Part 1 Test

Front

What are the building blocks of DNA?

Back

Nucleotides are the units that are repeatedly joined together to form a strand of DNA.

Front

What type of cell contains a nucleus?

Back

Eukaryotic cells have a nucleus.

Front

What do prokaryotes lack?

Back

Prokaryotes do NOT have membrane-bound organelles.

Front

What type of RNA carries the DNA message to the ribosomes?

Back

mRNA (messenger RNA) carries the DNA message out of the nucleus to the ribosomes.

Front

What is the term for maintaining stable internal conditions in an organism?

Back

Homeostasis is the process of maintaining stable internal conditions.

Front

What are the two main types of cells?

Back

Eukaryotic and prokaryotic cells.

Front

What is the primary function of ribosomes?

Back

Ribosomes are responsible for protein synthesis.

Front

What is the role of tRNA in protein synthesis?

Back

tRNA (transfer RNA) brings amino acids to the ribosome during protein synthesis.

Front

What is the difference between DNA and RNA?

Back

DNA is double-stranded and contains the sugar deoxyribose, while RNA is single-stranded and contains the sugar ribose.

Front

What is the function of the cell membrane?

Back

The cell membrane regulates what enters and exits the cell, maintaining homeostasis.