Biology STAAR Review

Front

What is the main function of tRNA in protein synthesis?

Back

tRNA brings amino acids from the cytoplasm to the ribosomes.

Front

What arachnid is identified by having a segmented abdomen, long legs, and a tail with no stinger?

Back

Whip Scorpion.

Front

What determines the genetic code of a DNA molecule?

Back

The order (sequence) of the nitrogen bases.

Front

Which biomolecule is primarily responsible for catalyzing biochemical reactions?

Back

Protein.

Front

What is the powerhouse of the cell that converts glucose into usable energy?

Back

Mitochondrion.

Front

What are the building blocks of proteins?

Back

Amino acids.

Front

What is the role of ribosomes in the cell?

Back

Ribosomes are the sites of protein synthesis.

Front

What is the structure of DNA?

Back

DNA is a double helix composed of nucleotides.

Front

What is the function of the mitochondrion?

Back

The mitochondrion converts glucose into ATP (energy) during cellular respiration.

Front

What is the difference between DNA and RNA?

Back

DNA is double-stranded and contains thymine, while RNA is single-stranded and contains uracil.