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sergejj [24]
3 years ago
13

Describe an additional laboratory test that could be used to confirm the diagnosis of one of the patients who is not infected wi

th meningitis.
Biology
1 answer:
Llana [10]3 years ago
8 0

Meninges refers to the three layes of membranes surrounding the brain and spinal cord of the mammals. The inflammation of these protective membranes of the brain and the spinal cord caused by the infection of bacteria, virus or other microorganisms is called the meningitis.

A laboratory test to identify or rule out meningitis is the analysis if the cerebrospinal fluid (CSF) by lumbar puncture. CSF is a colorless fluid filling the ventricles of the brain and the central canal of the spinal cord. Lumbar puncture is a techinque of isolating the CSF from the sac sround the spinal cord using a needle under a local anesthetic. The sample is then analysed for the opening pressure which is normally between 6 and 18 cm of water in a patient who is not infected with meningitis. Also, the levels of glucose in CSF is above 40% of that in blood in non-infected persons. If lactate levels are less than 35mg/dl, this will also rule out meningitis.

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Enzymes can accelerate reactions by:___________.
Afina-wow [57]

Answer:

D) lowering the energy for activation.

Explanation:

Just like chemical catalysts that accelerate the rate of chemical reactions, enzymes are biological catalysts that accelerate the rate of biochemical reactions.

Majorly, a catalyst works by lowering the activation energy required for a specific reaction. The lower the activation energy for a reaction, the faster the rate of that particular reaction.

Hence, an enzyme accelerates the rate of reaction by lowering activation energy of the reaction.

8 0
3 years ago
Select the correct answer from each drop-down menu.
yaroslaw [1]

A negative feedback mechanism  tries to negate changes so as to restore the variations that occurs in the value of a parameter or system.

<h3>What is  Negative feedback?</h3>

This is known to be a method that tend to reverses any kind of movement or deviation from the set point and it then keeps the body parameters to its normal range.

Note that A negative feedback mechanism  tries to negate changes so as to restore the variations that occurs in the value of a parameter or system.

Learn more about Negative feedback from

brainly.com/question/10473696

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5 0
2 years ago
Which of the subunits, when activated, associates with adenylyl cyclase (adenylate cyclase) and enables it to assume a more cata
antoniya [11.8K]

Answer:

aspartate, lysine, arginine and asparagine residues

Explanation:

The activity of adenylyl cyclase (adenylate cyclase) is regulated by the conformation changes on the protein sub-units of the quartenary structure of the enzyme. These consist the amino acid groups that make the structure. For  instance, the amino acid aspartate, lysine, arginine and asparagine all experience change of some sort. The residues stabilize the transition state of the enzyme. The proteins, while the enzyme carries the catalytic activity, mat become slightly mutated.

3 0
3 years ago
Describe the role of plants in the water and carbon cycles.
Murrr4er [49]
The have the abiloty to convert CO2 into oxygen
7 0
3 years ago
Allison and Heather are going to conduct an experiment to see whether salt affects the growth of plants. They gather five groups
SIZIF [17.4K]

Answer:

The dependant variable is the growth of the plants.

Explanation:

The independent variable is what changes the dependent variable.

for example, the type of salt concentration ( Independent variable ) is/ isn't going to change the growth ( dependant variable ) of the plant.

7 0
3 years ago
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