How to obtain more bacteria culture from already developed colony in HS medium
I have a freeze-dried lab sample of pure Gluconacetobacter Xylinus (form. Acetobacter Xylinum). I am about to grow this colony of bacteria in a standard Hestrin and Schramm medium (HS) of 1000ml volume. This will allow me to run 10 diff
Do chloramphenicol and/or sanitizer inhibit growth of Lactobacillus or Streptococcus thermopilus ?
I did an experiment with tryptic soy agar medium recently and I had some issues so I need a few questions answered. The experiment was to use a TSA plate and first streak for isolation with yogurt in order to get a culture of Lactobacillus or Strepto
What can I do if I accidentally got boiling water in my Phenyl-ethanol alcohol agar?
I'm doing a series of at-home microbiology labs that are due next Monday. I'm on the last lab (#5) which uses three TSA plates and the PEA plates as medium. I had my PEA agar in a pot, immersed partially in water, on the stove in order to h
So, I am having a difficult time with a question. The question and the figure is attached. This is what I think about it so far, but I am really confused and need help.
A) When the preincubation was carried out with the individual template
Is there that much different between rods and cones? I think rods lack maybe 80nm from the upper range of the red cones but otherwise covers the cones wavelengths well. Cones give fine detail and color vision, but rods are like 200 times more sensiti
How much does our DNA change over a lifetime? I think there might of been a study in 2008 that said maybe 20% in 18 years? If our DNA can change that rapidly how come we aren't giant tumors before 50? I'm told even small simple changes can
Each photosystem is composed of several hundred higher energy molecules
Each photosystem is composed of several hundred higher energy molecules They are called _______________________________ because they collect and channel energy to the ___________________________ Accessory pigments can be molecules of chloro
After a period of exercise, a person will breathe heavily for some time after the activity has ...
After a period of exercise, a person will breathe heavily for some time after the activity has ceased. What is happening during this time as the oxygen debt is being paid? A) Glycogen stores are being regenerated. B) Creatine phosphate is b
Rhodobacter cells perform photosynthesis in the presence of light and grow heterotrophically in the ...
Rhodobacter cells perform photosynthesis in the presence of light and grow heterotrophically in the dark. After being cultured in total darkness for multiple generations, phenotypic and genotypic changes occur. What phenotypic changes occur and what
Drag each word or phrase to the part of the Venn diagram to which it is associated; if a word or ...
Drag each word or phrase to the part of the Venn diagram to which it is associated; if a word or phrase is associated with both muscular and skeletal systems, place it in the overlapping parts of the circles.
The energized electrons are quickly absorbed by an electron acceptor called “____” embedded in ...
The energized electrons are quickly absorbed by an electron acceptor called “____” embedded in the ____________________ membrane The electrons lost by the chlorophyll A molecule in the reaction center of the Photosystem II are immediately ______
Some chlorophyll and accessory pigments are grouped into two types of light gathering complexes ...
Photosystems Some chlorophyll and accessory pigments are grouped into two types of light gathering complexes called ____________________ ___________ (PSII) and ______________ ____________ (PSI) These light gathering complexes are embedded i
A(n) _____ is a spur-of-the-moment question. Fill in the blank(s) with correct word
Photosystems Some chlorophyll and accessory pigments are grouped into two types of light gathering complexes called ____________________ ___________ (PSII) and ______________ ____________ (PSI) These light gathering complexes are embedded i
A(n) _____ is a spur-of-the-moment question. Fill in the blank(s) with correct word
Chlorophyll Although there is only a slight difference in the ___________________________ of Chlorophyll A and B, Chlorophyll A is located in the __________________________ where radiant energy is transferred for the production of energy carrier
A(n) _____ is a spur-of-the-moment question. Fill in the blank(s) with correct word
Van Helmont did an experiment in which he weighed a small tree, the soil in the pot in which the tree was planted and the water given to the tree over a five year period He found that the tree changed it photosynthesis significantly over the fiv
Why are some xenobiotics biodegraded slower than crude oil and petroleum products?
Why are some xenobiotics biodegraded slower than crude oil and petroleum products? A) Xenobiotics were designed to inhibit microbial growth. B) Some xenobiotics are novel compounds that differ from naturally occurring chemicals, thus microorganisms
If a bacteria attacked juxtaglomerular apparatus (where rennin is secreted)
If a bacteria attacked juxtaglomerular apparatus (where rennin is secreted) in the kidney, and this part of the nephron no longer worked, what specific pathways would be affected?
Which of the following statements about actin is false? (a) ATP hydrolysis decreases actin ...
Which of the following statements about actin is false?
(a) ATP hydrolysis decreases actin filament stability. (b) Actin at the cell cortex helps govern the shape of the plasma membrane. (c) Actin filaments are nucleated
Which statement best describes primary bone? A) Primary bone is stronger than secondary bone since it contains many lamellae. B) Primary bone contains a higher percentage of inorganic matrix than secondary bone. C) Primary bone contai
Comparing the extracellular environments of plants and animals
The cellular organization and extracellular environments of plants and animals are very different. Drag the labels to their appropriate locations in the table below. Use only pink labels for the pink targets. Labels may be used more than once.
For a person who starts running for exercise, A) bone deposition is not related to bone resorption. B) bone deposition is less than bone resorption. C) bone deposition exceeds bone resorption. D) bone deposition equals bone res
The initial amino acid incorporated into a nascent peptide is N-formylated in
The initial amino acid incorporated into a nascent peptide is N-formylated in A) eukaryotic translation. B) prokaryotic transcription. C) prokaryotic translation. D) both choices A and C E)
Multiple Slides samples observations on a Microscope device.
Is it possible to design & construct a Microscope (optical or Electron) which can take multiple slides samples instead of a single sample slide at a time?.
Possible construction of the Sample Slides target is a circular disc hold
In humans, Kinky hair (H++), curly hair (H+), wavy hair H) and straight hair (h)...
In humans, Kinky hair (H++), curly hair (H+), wavy hair H) and straight hair (h) are dominant in that order. Dark hair dominates red hair. A male with wavy red hair, whose mother has straight dark hair, marries a dark haired female with straight hair
A client with a history of chronic obstructive pulmonary disease (COPD) is undergoing pulmonary ...
A client with a history of chronic obstructive pulmonary disease (COPD) is undergoing pulmonary function testing. Which of the following instructions should the technician provide in order to determine the client's forced vital capacity (FVC)?
Hi Anyone can help me please I want to know what is the influence of cell density on cell migration, apoptosis and cell division in the case of a primary culture and cell line
