Chapter 15-18
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| show | A virus is generally considered to be alive because it is cellular and can reproduce on its own.
🗑
|
||||
| show | Hershey and Chase
🗑
|
||||
| One type of virus that infects bacteria is called a | show 🗑
|
||||
| When a T2 bacteriophage infects an Escherichia Coli cell, which part of the phage enters the bacterial cytoplasm? | show 🗑
|
||||
| The way that genetic material of a bacteriophage enters a bacterium is most like the way that | show 🗑
|
||||
| The monomers of DNA and RNA are | show 🗑
|
||||
| show | DNA uses the nitrogenous base uracil
🗑
|
||||
| Which of the following statements regarding RNA is false? | show 🗑
|
||||
| show | a twisted rope ladder
🗑
|
||||
| Which of the following statements regarding a DNA double helix is always true? | show 🗑
|
||||
| DNA replication | show 🗑
|
||||
| If one strand of SNA is CGGTAC, the corresponding strand would be | show 🗑
|
||||
| show | 50% of the parent DNA
🗑
|
||||
| Which of the following enzymes catalyzes the elongation of a new DNA strand? | show 🗑
|
||||
| show | Because DNA polymerases can only add nucleotides to the 3' end of the growing molecule
🗑
|
||||
| show | DNA--RNA--protein
🗑
|
||||
| show | transcription
🗑
|
||||
| The "one gene-one polypeptide" theory states that | show 🗑
|
||||
| Experiments have demonstrated that the "words" of the genetic code (the units that specify amino acids) are | show 🗑
|
||||
| The directions for each amino acid in a polypeptide are indicated by a codon that consists of _________ nucleotide(s) in an RNA molecule. | show 🗑
|
||||
| show | 5 amino acids
🗑
|
||||
| A base substitution mutation in a gene does not always result in a different protein. Which of the following factors could account for this? | show 🗑
|
||||
| Which of the following enzymes catalyzes the linking together of RNA nucleotides to form RNA? | show 🗑
|
||||
| Which of the following occurs when RNA polymerase attaches to the promoter DNA? | show 🗑
|
||||
| ___________ marks the end of a gene and causes transcription to stop. | show 🗑
|
||||
| show | in the cytoplasm
🗑
|
||||
| show | Exons are spliced together
🗑
|
||||
| Which of the following takes place during translation? | show 🗑
|
||||
| show | codon recognition--peptide bond formation--translocation--termination
🗑
|
||||
| Which of the following statements regarding the flow of genetic information is false? | show 🗑
|
||||
| Any change in the nucleotide sequence of DNA is called? | show 🗑
|
||||
| Consider the following sentence: "The dog did not eat." Which of the following variations of this sentence is most like a base substitution mutation? | show 🗑
|
||||
| show | The dod idn ote at.
🗑
|
||||
| show | mutagen
🗑
|
||||
| Which of the following features characterizes the lytic cycle of a viral infection? | show 🗑
|
||||
| Which of the following statements is false? | show 🗑
|
||||
| show | prophage
🗑
|
||||
| show | Very few new human disease have originated in other animals because the genetic differences are too great.
🗑
|
||||
| What will be the most likely cause of a new avian flu pandemic like that 1918-1919 flu pandemic that killed approximately 40 million people worldwide? | show 🗑
|
||||
| show | a retrovirus
🗑
|
||||
| show | reverse tanscriptase
🗑
|
||||
| HIV does the greatest damage to | show 🗑
|
||||
| How do viroids harm the plants that are infected with them? | show 🗑
|
||||
| Which of the following statements about the treatment of prevention for a prion infection is true? | show 🗑
|
||||
| In the 1920's, Frederick Griffith conducted an experiment in which he mixed the dead cells of a bacterial strain that can cause pneumonia with live cells of a bacterial strain that cannot. When he cultured the live cells, some of the daughter colonies pro | show 🗑
|
||||
| show | occurs when a phage transfers bacterial DNA from one bacterium to another.
🗑
|
||||
| Conjugation | show 🗑
|
||||
| show | increase their genetic diversity
🗑
|
||||
| show | It is substituted for the equivalent portion of the recipient's chromosome by the process of crossing over
🗑
|
||||
| In many bacteria, genes that confer resistance to antibiotics are carried on | show 🗑
|
||||
| show | The F- bacterium ends up with a recombinant chromosome that carries some genes from the F+ bacterium, and the F+ bacterium ends up with an unaltered chromosome.
🗑
|
||||
| A functional F factor that is an R plasmid must contain all of the following elements except | show 🗑
|
||||
| show | heavy use of antibiotics in medicine and in agriculture
🗑
|
||||
| show | Cloned animals live longer compared to naturally bred animals
🗑
|
||||
| The fact that the nucleus from an adult somatic cell can be used to create all of the cell types in a new organism demonstrates that development depends upon | show 🗑
|
||||
| The term "gene expression" refers to the | show 🗑
|
||||
| show | transcribed genes, an operator, and a promoter
🗑
|
||||
| In a prokaryote, a group of genes with related functions along with their addicted control sequences, defines | show 🗑
|
||||
| show | prevents lactose-utilizing enzymes from being expressed when lactose is absent from the environment
🗑
|
||||
| show | activators
🗑
|
||||
| The lac operon of E. Coli is __________ when the repressor is bound to lactose. | show 🗑
|
||||
| show | a repressor that is active when it binds to tryptophan
🗑
|
||||
| Which of the following is likely to occur in E. Coli cells that are grown in skim milk? | show 🗑
|
||||
| show | Additional genetic information for the formation of specialized cells is passed on to the developing embryo via the placenta
🗑
|
||||
| show | are active in all metabolizing cells, but the genes for specialized proteins are expressed only in particular cell types.
🗑
|
||||
| Which of the following statements regarding DNA packing is false? | show 🗑
|
||||
| show | thread wrapped around a spool
🗑
|
||||
| In female mammals, the inactive C chromosome in each cell | show 🗑
|
||||
| The tortoiseshell pattern on a cat | show 🗑
|
||||
| Both prokaryotic and eukaryotic cell use _______ to turn certain genes on or off. | show 🗑
|
||||
| show | the site on DNA to which activators bind
🗑
|
||||
| Silencers are sites on DNA that | show 🗑
|
||||
| RNA splicing involves the | show 🗑
|
||||
| show | exons
🗑
|
||||
| Which of the following permits a single gene to code for more than one polypeptide? | show 🗑
|
||||
| Small pieces of RNA that can regulate mRNA transcription are called | show 🗑
|
||||
| miRNA can be used by | show 🗑
|
||||
| Which of the following statements regarding RNA and proteins is false? | show 🗑
|
||||
| All of the following mechanisms are used to regulate protein production except | show 🗑
|
||||
| show | the web of control that connects different genes
🗑
|
||||
| Which of the following mechanisms of controlling gene expression occurs outside of the nucleus? | show 🗑
|
||||
| Which of the following statements about fruit fly development is false? | show 🗑
|
||||
| A homeotic gene | show 🗑
|
||||
| show | Microarrays use tiny portions of double-stranded RNA fragments from a large number of genes.
🗑
|
||||
| To initiate a signal transduction pathway, a signal binds to a receptor protein usually located in the | show 🗑
|
||||
| Transcription factors attach to | show 🗑
|
||||
| A signal outside a cell triggers changes in the transcription and translation inside the cell through the process of | show 🗑
|
||||
| The basis of cellular differentiation is | show 🗑
|
||||
| Most differentiated cells retain | show 🗑
|
||||
| show | demonstrated that the nuclei from differentiated mammalian cells can retain their full genetic potential
🗑
|
||||
| show | human
🗑
|
||||
| Which of the following possible uses of reproductive cloning is still considered by most to be an unresolved ethical issue? | show 🗑
|
||||
| Adult stem cells have limited therapeutic potential | show 🗑
|
||||
| show | oncogene
🗑
|
||||
| show | A mutation in a tumor-supressor gene can stop cell division immediately
🗑
|
||||
| Which of the following is not a factor that contributes to norma cells becoming cancerous? | show 🗑
|
||||
| show | several somatic cell mutations
🗑
|
||||
| show | four or more somatic mutations must occur to giver rise to the center, which takes time
🗑
|
||||
| show | disrupt normal regulation of the cell cycle
🗑
|
||||
| Mutations in the p53 gene can lead to cancer by | show 🗑
|
||||
| The carcinogen known to cause the most cases of cancer is | show 🗑
|
||||
| Which of the following statements regarding cancer risk factors is false? | show 🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
mhobbins