Quiz Protein Synthesis - BIOLOGY JUNCTION

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Name:

Protein Synthesis

Completion Complete each sentence or statement.
	1.	In eukaryotes, gene expression is related to the coiling and uncoiling of ____________________.
	2.	A DNA subunit composed of a phosphate group, a five-carbon sugar, and a nitrogen-containing base is called a(n) ____________________.
	3.	The name of the five-carbon sugar that makes up a part of the backbone of molecules of DNA is ____________________.
	4.	Knowing the order of the bases in a gene permits scientists to determine the exact order of the amino acids in the expressed ____________________.
	5.	Due to the strict pairing of nitrogen base pairs in DNA molecules, the two strands are said to be ____________________ to each other.
	6.	According to base-pairing rules, adenine pairs with ____________________ and guanine pairs with ____________________.
	7.	The enzyme that is responsible for replicating molecules of DNA by attaching complementary bases in the correct sequence is ____________________.
	8.	Enzymes called ____________________ are responsible for unwinding the DNA double helix by breaking the hydrogen bonds that hold the complementary strands together.
	9.	The process by which DNA copies itself is called ____________________.
	10.	Molecules of ____________________ carry instructions for protein synthesis from the nucleus to the cytoplasm.
	11.	The nitrogen-containing base that is found only in RNA is ____________________.
	12.	The enzyme responsible for making RNA is called ____________________.
	13.	The form of ribonucleic acid that carries genetic information from the DNA to the ribosomes is ____________________.
	14.	A ____________________ is a sequence of DNA at the beginning of a gene that signals RNA polymerase to begin transcription.
	15.	Messenger RNA is produced during the process of ____________________.
	16.	Of the 64 codons of mRNA, 61 code for ____________________, 3 are ____________________ signals, and one is a ____________________ signal.
	17.	Nucleotide sequences of tRNA that are complementary to codons on mRNA are called ____________________.
	18.	The sequence of three nucleotides that code for specific amino acids or stop signals in the synthesis of protein is called a(n) ____________________.
	19.	The information contained in a molecule of messenger RNA is used to make protein during the process of ____________________.
	20.	During translation, amino acids are brought to the ribosomes by molecules of ____________________.