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3 years ago

Why are blood transfusions used?

2 answers:

7 0

You may need a blood transfusion if you have: A severe infection or liver disease that stops your body from properly making blood or some parts of blood. An illness that causes anemia, such as kidney disease or cancer. Medicines or radiation used to treat a medical condition also can cause anemia

Serjik [45]3 years ago

3 0

Blood transfusions are used when a patient has lost a lot of blood or that they cannot make anymore blood and need a transfusion of blood from a donor that has the same type of blood as them.

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You conduct a mark-recapture survey of eastern fence lizards (Sceloporus undulates) in a 2-hectare plot in eastern Arizona. You

Ksenya-84 [330]

Answer:

Option C

Explanation:

Given -

Total number of initially marked lizards (M) $= 250$

Total number of recaptured lizards (C) $= 75$

Total number of recaptured marked lizards (R) $= 24$

As we know that -

$\frac{M}{N} = \frac{R}{C}$

We have to find "N" . "N" is the total population size of lizards in a 2-hectare plot in eastern Arizona.

Thus, on rearranging the above equation, we get -

$N = \frac{M * C}{R}$

Substituting the given values in above equation, we get -

$N = \frac{250 * 75}{24} \\N = 781.25\\N = 781.3$

Hence, option C is correct

4 0

3 years ago

After the egg is fertilized what type of cell division occurs

kotegsom [21]

I guess Mitosis.........

6 0

3 years ago

The proton motive force (pmf) is driven by __________. the proton motive force (pmf) is driven by __________. the pumping of pro

RideAnS [48]

When a cell membrane becomes energized due to electron transport reactions by the electron carriers embedded in it then this results in proton motive force (PMF). This way the cell becomes a tiny battery. 
The proton motive force (PMF) is driven by the difference in charge across the plasma membrane with protons outside the membrane.

8 0

3 years ago

Look at the average temperature data for Las Vegas last year and plot

nadya68 [22]

Answer:

Las Vegas

Explanation:

8 0

3 years ago

Which type of mutation does the model demonstrate?

ahrayia [7]

Answer:

Explanation:

TATC is being inserted into the sequence

4 0

2 years ago