Term
| In DNA replication, the leading strand is formed |
|
Definition
| from 5' to 3' in a long strand |
|
|
Term
| In DNA replication, the lagging strand is formed |
|
Definition
| in short segments called Ozaki fragments |
|
|
Term
| Replication occurs during |
|
Definition
| the S phase of interphase |
|
|
Term
| The production of DNA on the leading strand is catalyzed by the enzyme |
|
Definition
|
|
Term
| The mRNA chain is formed in which direction |
|
Definition
|
|
Term
| The _____________ is used to transcribe mRNA |
|
Definition
|
|
Term
| RNA transcription is catalyzed by |
|
Definition
|
|
Term
| The enzyme which carries out mRNA production binds at an area on the DNA strand called the |
|
Definition
|
|
Term
| The region of the DNA which acts as a switch to turn transcription on or off is called the |
|
Definition
|
|
Term
| The gene which codes for a substance to block protein synthesis is the __________ gene |
|
Definition
|
|
Term
| The protein which controls the "switch" is the _______ protein |
|
Definition
|
|
Term
| In the "inducible operon," transcription is blocked when the |
|
Definition
| repressor binds tot he operator |
|
|
Term
| In the "inducible operon," transcription occurs when the |
|
Definition
| polymerase binds to the promoter |
|
|
Term
| In the "repressible operon," a _________ substance is needed to activate the process |
|
Definition
|
|
Term
| Protein is assembled by the |
|
Definition
|
|
Term
| A ________ carries amino acids in the cytoplasm |
|
Definition
|
|
Term
| If a change in genetic information which specifies a diffrent amino acid is called a _________ mutation |
|
Definition
|
|
Term
| If A replaces the C in UGC, the result is a ______________ mutation |
|
Definition
|
|
Term
| A mutation in which CAU becomes CAC is a _____________ mutation |
|
Definition
|
|
Term
| If G replaces the C in UGC, the result is a ____________ mutation |
|
Definition
|
|
Term
| The process in which segments of DNA can move to another piece of DNA is called |
|
Definition
|
|
Term
| Base pairs may be altered by |
|
Definition
| chemical mutagens & ionizing radiation |
|
|
Term
| Naked, soluable DNA from the surroundings may be introduced into a cell by |
|
Definition
|
|
Term
| the transfer of DNA between cells is called |
|
Definition
|
|
Term
| The transfer of DNA by means of viruses which become incorporated into the host cell occurs during |
|
Definition
|
|
Term
| A small, extrachromosomal piece of DNA is called a |
|
Definition
|
|
Term
| A technique which uses an electric current to seperate DNA or protein fragments is called |
|
Definition
|
|
Term
| The major source of enzymes used in biotechnology is |
|
Definition
|
|
Term
| The vaccina (cowpox) virus is being used experimently to insert recombinant plasmids into |
|
Definition
|
|
Term
| The use of recombinant DNA technology in the treatment of genetic diseases is currently only theoretical |
|
Definition
|
|
Term
| Biotechnology is currently being used to |
|
Definition
| control oil spills, create new vaccines, detect genetic diseases, identify criminals |
|
|
Term
| A technique used to amplify a minute amount of DNA is |
|
Definition
| polymerase chain reaction |
|
|
Term
| The most frequent use of recombinant DNA at present is in |
|
Definition
|
|
Term
| Enzymes used to cut the DNA at specific points are called |
|
Definition
| restricition endonucleases |
|
|
Term
| Enzymes used to recombine the dna are called |
|
Definition
|
|
Term
| Which of the following is true of viruses |
|
Definition
|
|
Term
| Viruses have been found to parasitize all kingdoms of living things |
|
Definition
|
|
Term
| Viruses are too small to see witht he electron microscope |
|
Definition
|
|
Term
| The capsid of a virus is made of |
|
Definition
|
|
Term
| The present system of viral classification begins with the determination of |
|
Definition
|
|
Term
| Which of the following is not a current method of cultivating viruses |
|
Definition
|
|
Term
| The nucleic acid in a virus is |
|
Definition
| double-stranded DNA, double-stranded RNA, single-stranded DNA, single-stranded RNA |
|
|
Term
| The viral envelope is made by the |
|
Definition
| host cell plasma membrane |
|
|
Term
| A ______ virus destroys the host cell |
|
Definition
|
|
Term
| A ____ virus is incorporated into the host genome |
|
Definition
|
|
Term
| Nonenveloped viruses are released from the host cell by |
|
Definition
|
|
Term
| Which type of virus uses reverse transcriptase to make DNA |
|
Definition
|
|
Term
| Which of the following is the messenger RNA strand |
|
Definition
|
|
Term
| During the eclipse stage, the host cell first produce |
|
Definition
|
|
Term
| Oncogenes are known to be involved in the production of |
|
Definition
|
|
Term
| A "slow virus" is the causative agent of the disease |
|
Definition
|
|
Term
| Which of the following is a disease due to a virus which has a latent period |
|
Definition
|
|
Term
| A proteinous infectious agent (prion) is thought to cause the disease |
|
Definition
| bovine spongiform encephalopathy |
|
|
Term
| Epstein-Barr virus had been implicated in |
|
Definition
|
|
Term
| A very short strand of nucleic acid with no protein coat is the pathogen called a |
|
Definition
|
|
Term
| The __________ virus used the enzyme reverse transcriptase to make a strand of DNA from RNA template |
|
Definition
|
|
