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professor190 [17]
3 years ago
14

So this is a simple yes or no question

Biology
2 answers:
Vilka [71]3 years ago
8 0
Yes i think so, but not sure
nekit [7.7K]3 years ago
3 0
Water splitting is the chemical reaction in which water is broken down into oxygen and hydrogen. It says it gets broken down into hydrogen so no i don’t think it is broken down BY hydrogen.
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An oil rig searches for and finds oil reservoirs
garik1379 [7]

Answer:

answer is false

2. is true a

3.a

4.a

5.b

6.a

7.b

8.a

9.a

10.b

Explanation: I got 100%

7 0
3 years ago
Which statement about positive feedback regulation is accurate?
GenaCL600 [577]

Answer:

Answer is B. Positive feedback regulation can generate an abrupt, all-or-none response in which the cell moves from ignoring a signal to responding to it very strongly.

Explanation:

Positive feedback can be described as an example of feedback, which is a natural mechanism that amplifies the action of a system.

It can be better be explained further, as a situation whereby the blood pressure decreases and the response of the body also makes or causes the blood pressure to decrease the more.

Other examples of a positive feedback also include blood clotting, ripening of fruits , uterus muscle contraction, resulting to the stretching of the uterus during pregnancy.

6 0
3 years ago
Forensic Science unit 7
Y_Kistochka [10]
The changes it made in forensic science by making it easier to prove if someone did or didn't do something and helps you identify someone if you cant figure out who it is
4 0
3 years ago
The size of plant leaves in different species of plants is an example of plant adaptations. Is true or false ?
skelet666 [1.2K]
The answer is true.
7 0
3 years ago
A patient comes to you with a "PUS" sample and asks you to isolate & identify the Staphylococcus aureus form this sample the
Irina-Kira [14]

Answer: Staphylococcus aureus can be isolated from the pus sample through the following steps:

--> Step 1: Describe the appearance of the specimen

--> Step 2: Examine the specimen microscopically

--> Step 3: Culture and report your observations.

--> Step 4: Biochemical testing

Explanation: Staphylococcus aureus are gram positive cocci bacteria that can be isolated from pus samples.Pus samples, which may come from wounds, abscess, burns or sinuses, are the type of samples which do not contain microorganisms and should not contain contaminants providing an aseptic collection technique and sterile container are used.

Staphylococcus aureus can be isolated from the pus sample through the following steps:

--> Step 1: White, yellow, brown, red, or black granules of varying size, shape, and consistency may be found in pus draining from

sinuses while describing the appearance of the pus sample.

--> Step 2: Here the specimen is examined microscopically after being stained with a staining technique called Gram staining. This step is done before culture to know the type of medium to use after gram positive cocci is microscopically seen.

--> Step 3: there are different cultures media that can be used to inoculate and culture a pus specimen. Since we are to isolate staphylococcus aureus, a selective and differential media known as Mannitol salt agar (MSA) is used. The presence of yellow colonies with yellow zone after incubation at 37°C indicate the presence of Staphylococcus aureus or species. There for the last confirmation test known as biochemical test is done.

--> Biochemical test: This is a chemical test that is done to identify a particular bacteria. For staphylococcus aureus, COAGULASE test is used to identify staphylococcus aureus which produces COAGULASE enzyme. A positive COAGULASE test is an indication of the presence of staphylococcus aureus as the bacterium isolate of the specimen.

7 0
3 years ago
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