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2 years ago

Describe the role of white blood cells in fighting diseases and destroying pathogens.

Biology

1 answer:

Svetradugi [14.3K]2 years ago

5 0

Answer:

The role that white blood cells play is to destroy bacteria.

Explanation:

They destroy them to keep you healthy and to keep u alive. They destroy the virus by eating it away. For example, when u get a flu shot, bacteria is flowing into your system but its not that strong. This prepares your white blood cells for the actual flu. It makes your body stronger, and more resistant.

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How much 3M NaOH (MW=40) can be made from 10.0mL of a 10M solution?

vaieri [72.5K]

Explanation:

The given data is as follows.

$M_{1}$ = 3 M, $V_{1}$ = ?

$M_{2}$ = 10 M, $V_{2}$ = 10.0 ml

Therefore, calculate the volume of given solution as follows.

$M_{1} \times V_{1}$ = $M_{2} \times V_{2}$

Now, putting the given values into the above formula as follows.

$M_{1} \times V_{1}$ = $M_{2} \times V_{2}$

$3 M \times V_{1}$ = $10 M \times 10.0 ml$

$V_{1}$ = 33.3 ml

or, = 0.033 L (as 1 ml = 0.001 L)

Since, molarity of NaOH is given as 3 M and its volume is calculated as 33.3 ml.

Molarity = $\frac{\text{mass of solute}}{\text{molar mass of solute}} \times \frac{1}{\text{volume in L}}$

3 M = $\frac{mass}{40 g/mol \times 0.033 L}$

mass = 3.96 g

Therefore, we can conclude that mass of NaOH is 3.96 g.

8 0

3 years ago

Consider the progeny of a dihybrid cross. For every double recessive homozygote observed, you can expect _______ double dominant

kirza4 [7]

Answer:

Explanation:

For example:

A-yellow peas

a-green peas

B-smooth seeds

b-rough seeda

P: AB×ab

F1: AaBb

6 0

3 years ago

Ovule is a male part of a plant. Tor F.

NikAS [45]

Answer:

yes that is the male part of a plant.

Explanation: You are correct

Hope this helps

4 0

3 years ago

The nurse is reviewing the laboratory data for a young client in acute kidney failure and notes an elevated serum potassium leve

Vladimir79 [104]

The nurse should check for abnormal cardiac rhythm using ECG

Elevated serum potassium level is called hyperkalemia. In this condition, the heart rhythm can be disrupted, resulting in an arrhythmia. arrhythmia condition can be dangerous as the heart is not pumping in a coordinated way, lowering the pump efficiency and have a high risk of sudden cardiac arrest.
That is why hyperkalemia condition is dangerous and need to be monitored.

6 0

3 years ago

The crayfish scavenge for dead fish and decayed vegetation at the bottom of the pond. This describes the crayfish's

Rama09 [41]

This describes its habitay

6 0

3 years ago

Read 2 more answers