____________________a self-replicating material present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information.

____________________A molecule used to translate the code from the DNA molecule into protein.

____________________ transfer RNA that contains this three-part nucleotide segment which is an exact complement of one mRNA codon

____________________ A three-nucleotide that has the specific function of corresponding to a particular amino acid.

____________________ the first three-nucleotide segment

____________________ - a three~nucleotide segment that tells the ribosome that the translation process is complete

____________________ - pieces of the DNA molecule that code for specific proteins.

____________________- a sugar that combines with a nitrogenous base to form a phosphate group used in nucleotides -building blocks of nucleic acids.
     

____________________a process of making genes into proteins

____________________ - An enzyme that  picks up these unattached DNA.

____________________ - complementary base with cytosine.

____________________ - complementary base with thymine.

____________________ - complementary base with uracil in RNA

____________________ - building blocks of nucleic acids

____________________ - a polypeptide formed during translation

____________________ - step in protein synthesis where mRNA is decoded (translated) and a corresponding polypeptide is formed.

____________________ - copying process that manufactures of a specific kind of RNA called messenger RNA

____________________ - that help to carry out reactions within the cell.

____________________ - chemical messengers that regulate some body functions

Protein synthesis begins with the manufacture of which molecule?

What are ribosomes made of?

Proteins are made up of polypeptide chains. Polypeptide chains are composed of

What does transfer RNA (tRNA) carry?

Which of the following is the first step in protein synthesis?

Match the following with the correct sequence of Transcription.

Which one is NOT one of three basic steps to manufacture or assemble the proteins that occur outside the nucleus on the ribosome?

Which one is NOT one of 4 bases of DNA?

Which one is NOT one of 4 bases of RNA?

Refer to the illustration above. The cell in diagram 1 is in

Refer to the illustration above. Mitosis begins with the stage shown in diagram

Refer to the illustration above. Which of the following correctly indicates the order in which these events occur?

Refer to the illustration above. During which stage do the centromeres divide?

In eukaryotes, the cell cycle is controlled by

Molecules of DNA are composed of long chains of

Which of the following is not part of a molecule of DNA?

A nucleotide consists of

The part of the molecule for which DNA is named is the

The amount of guanine in an organism always equals the amount of

adenine : thymine ::

Which of the following is not true about DNA replication?

The attachment of nucleotides to form a complementary strand of DNA during replication

The enzymes responsible for adding nucleotides to the exposed DNA bases during replication are

Transcription, which is a stage of gene expression, is the process by which genetic information encoded in DNA is transferred to a(n)

RNA differs from DNA in that RNA

Which of the following is not found in RNA?

RNA is chemically similar to DNA except that the sugar in RNA has an additional

In RNA molecules, adenine is complementary to

Each of the following is a type of RNA except

During transcription,

During transcription, the genetic information for making a protein is “rewritten” as a molecule of

Transcription begins when RNA polymerase

Each nucleotide triplet in mRNA that specifies a particular amino acid is called a(n)

Refer to the illustration above. What is the portion of the protein molecule coded for by a piece of mRNA with the sequence CUCAAGUGCUUC?

Refer to the illustration above. The anticodons for the codons in the mRNA with the sequence CUCAAGUGCUUC are

Refer to the illustration above. Which of the following would represent the strand of DNA from which the mRNA strand CUCAAGUGCUUC was made?

Refer to the illustration above. Suppose that you are given a protein containing the following sequence of amino acids: tyrosine, proline, aspartic acid, isoleucine, and cysteine. Use the portion of the genetic code given to determine which of the following contains a DNA sequence that codes for this amino acid sequence.

The function of rRNA is to

At the very beginning of translation, the first tRNA molecule

Transfer RNA

Which cell organelle contains its own DNA?