1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Dima020 [189]
3 years ago
5

1. which pair of bacteria can be differentiated by oxidase test?

Biology
1 answer:
fredd [130]3 years ago
6 0

Answer:

1. A. Pseudomonas and E. coli

2. B. Red without black center

3. B. Salmon/orange

Explanation:

Pseudomonas is referred to as an oxidase positive bacteria while E. Coli is an oxidase negative bacteria. The use of the oxidase test will be helpful in the differentiation of the two Bacteria according to their oxidase activity/properties.

Colonies of Red without black center color is what is expected on HE agar if shigellosis is suspected.

Colonies of Salmon/Orange color is what is expected on HE agar if Enterococcus sp. is suspected.

You might be interested in
Why has it been necessary to make so many changes to our paper currency in the past 30 years as compared to the last 100 years
mojhsa [17]

Answer: Counterfeit and Forgery.

Explanation:

Over the last 30 years changes have had to be made to the paper currencies due to high rate of counterfeit bills in circulation and forgery.

To detect a Counterfeit dollar bill, the falsified portrait is lifeless and flat. Details, often too dark, do not blend into the background. The Federal Reserve and Treasury seals are simple, distinct, and sharp on a genuine bill. There may be uneven, blunt, or broken on the counterfeit seals.

8 0
3 years ago
A eukaryotic mutation upstream of a particular gene has been identified that changes the sequence of the TATA box to GATA. How w
Allushta [10]

Answer:

Transcription factor binding would be reduced or eliminated, and transcription of the gene would decrease dramatically.

Explanation:

Mutation means the changing of the structure of the gene that results in the variant form which may be transmitted to the subsequent generations.  They are caused by the altering the the single base units in the DNA of the species.

In both eukaryotic as well as prokaryotic, the mutation can affect the diversity in the future generation of the cells.

The eukaryotic mutation of the gene affects the transcription of the gene as the transcription factor binding will be lowered or will be eliminated and the transcription of this gene will decrease.

7 0
3 years ago
Help To Check This Also
FrozenT [24]
I think the first one is right !.... but the for the other one it's B .
4 0
3 years ago
For brainliest !!!!!!!!!!!!!!!!!!!
kirza4 [7]

Answer:

the correct answer is the second option

3 0
3 years ago
Why are blood cells round and scattered
Olegator [25]
So it can help circulate throughout the body blood stream 

please mark as brainliest if im correct 

please correct me if im wrong
5 0
3 years ago
Other questions:
  • What is one way to classify mud found in an ecosystem
    9·2 answers
  • Children s energy and protein requirements __________ as they age.
    10·1 answer
  • Ecosystems include food webs that show predation and prey interactions among organisms. But ecosystems have many more relationsh
    10·1 answer
  • How is cellular respiration related to photosynthesis?
    8·1 answer
  • Protozoa use ____ to move and capture food
    13·1 answer
  • Que sustancia es más probable encontrar en las paredes celulares de un organismo con cloroplastos y tejidos
    8·1 answer
  • What is the most damaging environmental change that humans caused?
    15·2 answers
  • The cell continually produces carbon dioxide as a by-product of cellular respiration. How does the cell keep the carbon dioxide
    11·1 answer
  • Please help me with this, picture is below.
    6·2 answers
  • Write a function of auditory nerve ?​
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!