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ehidna [41]
3 years ago
5

Answer this 5th Question !!​

Biology
1 answer:
Svetach [21]3 years ago
8 0

Answer:

ii) pO2 higher, pCO2 lesser

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If we were able to artificially alter the membrane permeability of pacemaker cells so that sodium influx is more rapid, ________
Inga [223]

Answer:

The answer is A.

Explanation:

The permeability of the pacemaker cell's membrane is the factor that controls the density of the materials inside the cell which also includes sodium and that controls the neurons and muscles. So if we were able to artificially alter the pacemaker cell's membrane parmeability, for the heart it would result in a quicker satisfaction of the threshold value and therefore would increase the heart rate.

I hope this answer helps.

4 0
3 years ago
Read 2 more answers
After stamping your replica plates, you return to examine the results and see that there are 100 colonies on the strep nal plate
Advocard [28]

Answer/Explanation:

An important way of selecting for bacteria carrying specific recombinant DNA is to add a resistance gene (such as antibiotic resistance) to your gene of interest. That means that any bacteria that carry your DNA will be resistant to a specific antibiotic (in this case streptomycin). Therefore, you can grow your bacteria on plates with streptomycin, and in theory, the bacteria will be unable to grow if they don't have the resistance gene and your gene of interest.

Here, strain A does not grow on streptomycin plates, but strain B now has 100 colonies. This suggests strain B can grow on streptomycin, meaning it is resistant.

Strain B is therefore the streptomycin resistant master plate strain.

7 0
3 years ago
Elements in carbon dioxide
Julli [10]

Answer:

C. Carbon

O Oxygen

H. Hydrogen

N. Nitrogen

NA. Sodium

HE. Helium

AR. Argon

Ni. Nickel

Pd. Palladium

Mo. Molybdenum

Ru. Ruthenium

Zr. Zirconium

Answer from Google !

7 0
3 years ago
Hey everyone! I really need help, anything is great! (20 points!!!!!)
fredd [130]

Answer:

in many cities (around the world) where there are a lot carbon emissions, the whole city gets cover in smog. Making it hard to breathe and causing diseases like lung cancer, and astma.

Explanation:

4 0
2 years ago
Scientists want to track the wind speeds and precipitation for a hurricane that will affect the entire East Coast of the United
Tasya [4]

Answer:

A anemometer an instrument for measuring the speed of the wind, or of any current of gas.

GPS is to see where you on on the earth so this is a no.

rain gauge only shows the amount of rain  so this is a no

Doppler radar determine's the location and velocity of a storm, clouds, precipitation. So therefore, this is your answer.

Explanation:

5 0
3 years ago
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