Midterm 1 notecards
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| Robert Hooke | 1st drawing of microorganisms, first to use word cell
🗑
|
||||
| Antonie van Leeuwenhoek | Made first simple microscope, first to describe animcules
🗑
|
||||
| Francesco Redi | Raw meat experiment (1st to challenege spontaneous generation)
🗑
|
||||
| Louis Pasteur | Swan Neck Flask experiment (spontaneous generation) developed vaccines
🗑
|
||||
| James Tyndall | fractional sterilization
🗑
|
||||
| Robert Koch | bacteria causing disease anthrax, Koch's Postulates
🗑
|
||||
| Carl Woese | RNA sequencing, 16s/18s RNA two different groups for bacteria and archea
🗑
|
||||
| Lynn Marguelis | Endosymbiotic theory in 1967
🗑
|
||||
| Han Christian Gram | gram staining technique
🗑
|
||||
| Carl Linneaus | the binomial naming system
🗑
|
||||
| What is the importance of the surface area to volume ratio? | increases nutrient uptake and molecule diffusion, increases growth rate.
🗑
|
||||
| Differences in 5 kingdom and 3 domain system | 5 kingdom has microbes in 3 kingdoms with prokaryotes in Monera. The domain system just has bacteria, archea and eukarya.
🗑
|
||||
| Explain endosymbiotic theory and the evidence supporting it. | Mitochondria, chloroplasts and hydrogenosomes evolved from bacterial endosymbionts of ancentral eukaryotic cells. Evidence: ability to carryout aerobic respiration, the double membranes of organelles.
🗑
|
||||
| Green Florscent Protein excites at ____ and emits at _____ | 395 and 509
🗑
|
||||
| Limitations of Koch's Postulates | doesn't support asymtomatic carriers, can't always grow the organism in cell culture, shows casual relationships.
🗑
|
||||
| To increase resolution | lower the wavelength or increase numerical aperture.
🗑
|
||||
| In lysis, what are the conditions outside the cell | lower solute concentrations outside, high inside. Water moves in to create equilibrium
🗑
|
||||
| in plasmolysis, what are the conditions outside the cell | high solute concentration ourside, low inside. Water leaves to create an equilibruim.
🗑
|
||||
| Name the 4 steps of binary fission | 1. cell elongation 2. chromosome replication and separation 3. septum formation 4. cell division
🗑
|
||||
| What recruits to the septum ring to initiate cell division? | FTSZ
🗑
|
||||
| Which two bacteria don't physically separate during cell division? | diplobacillicis, streptococcus
🗑
|
||||
| What is the equation for Generation time? | G=t/n
🗑
|
||||
| What is the equation for mean growth rate? | u=n/t
🗑
|
||||
| What is the equation for population size? | P(f)=P(i)*2^n
🗑
|
||||
| What is the equation for generation time and growth rate? | (logfinal-loginitial)/(0.301*t)
🗑
|
||||
| what is an episome? | plasmids that integrate into the chromosome
🗑
|
||||
| what is curing? | loss of a plamsid that happens spontaneously.
🗑
|
||||
| Flexible bacteria with a helical shape are called | spirochetes
🗑
|
||||
| Ridgid bacteria with a helical shape are called | spirilla
🗑
|
||||
| Sterol-like molecules called hopanoids are thought to be important for the structural integrity of many bacteria because of their suspected role in membrane stabilization. | True
🗑
|
||||
| Shrinkage of the plasma membrane away from the cell wall when the bacterium is placed in a hypertonic environment is called | plasmolysis
🗑
|
||||
| Although penicillin inhibits peptidoglycan synthesis, bacterial cells will continue to grow normally in the presence of penicillin in a(n) __________ environment. | isotonic
🗑
|
||||
| The layers of peptidoglycan of the bacterial cell wall can be cross-linked by peptide intrabridges or by direct cross-linking. | False
🗑
|
||||
| Intracellular granules of organic or inorganic material that are stockpiled by bacteria for future use are called | inclusions
🗑
|
||||
| Bacteria have a region of the cytoplasm known as the __________, which is not bounded by a membrane but contains the chromosome. | nucleoid
🗑
|
||||
| Some species of aquatic bacteria use inclusion bodies known as ________ to orient themselves in Earth's magnetic field. | magentosomes
🗑
|
||||
| Sedimentation coefficients are proportional to the molecular weight of a particle and are not affected by the volume and shape of the particle. | false
🗑
|
||||
| Viruses have what 4 types of nucleic acid? | ss DNA, ssRNA, dsDNA, dsRNA
🗑
|
||||
| Bacteria have only one type of nucleic acid what is it? | dsDNA
🗑
|
||||
| What are the four types of asexual reproduction? | budding, binary fission, multiple fission, spores
🗑
|
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:
canderson1515
Popular Science sets